stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
AST PRACTICE EXAM 3 Flashcards | StudBud
Explore
/
AST PRACTICE EXAM 3
AST PRACTICE EXAM 3
175 terms
·
StudBud Administration
·
2 plays
Imported from external platform
Flashcards
175 cards
F
Practice quiz
P
Host live
L
Questions
175
Answers
1
Which of the following psychosocial factors is important for the surgical team to address for pediatric patients
Postoperative schedule
Separation anxiety
Appearance of scar
Reliance on others
2
Which heat-resistant, spore-forming Bacillus does the steam sterilization biological indica contain?
E. coll
G. stearothermophilus
S. aureus
B. tetani
3
The unsterile size of the perimeter of a sterile wrap is:
1/2 inch
3 inches
1 inch
2 inches
4
Low level disinfectants kill most microbes, but typically do not destroy:
Viruses
Bacteria
Fungi
Spores
5
Which procedure is performed to improve the vision of patients with myopia?
Radial keratotomy
Vitrectomy
Scleral buckling
Keratoplasty
6
Brachytherapy is performed to treat:
Cervical cancer
Uterine prolapse
Endometriosis
Menorrhagia
7
Which of the following is the body's primary source of energy?
Vitamins
Proteins
Carbohydrates
Fats
8
Preoperative bladder drainage prior to a D & C would be performed with which of the following catheters?
10 Fr. Pezzer
8 Fr. Malecot
14 Fr. Robinson
16 Fr. Foley
9
What is a frequently used IV barbiturate for general anesthesia induction?
Propofol
Lorazepam
Thiopental
Ketamine
10
Frozen sections are sent to pathology
End of case with preservative
End of case without preservative
Immediately with preservative
Immediately without preservative
11
A capillary network of blood vessels within the renal cortex that functions as a filter is called the
Nephron
Loop of Henle
Glomerulus
Renal papillae
12
What is the best site for obtaining cortical bone graft?
Symphysis pubis
Ischial spine
Iliac crest
Femoral head
13
A chemical reaction that provides energy by the breakdown of food is:
Anabolism
Metabolism
Catabolism
Commensalism
14
In which of the following procedures would fine hooks of various angles be used?
Tympanotomy
Tonsillectomy
Myringotomy
Stapedectomy
15
The roof of the mouth is formed by the:
Circumvallate papillae
Hard and soft palates
Palatoglossal arch
Filiform papillae
16
A proper procedure to follow when a pack of sponges contains an incorrect number after the patient has entered the OR
Hand off the sterile field and isolate
Remove from the OR
Place on sterile backtable and do not use
Record actual number and use
17
If an ophthalmologist orders trimming of eyelashes, how is it safely performed?
Fine scissors without water-soluble gel
Fine scissors coated with water-soluble gel
Electric trimmer used on dry lashes
Electric trimmer used on wet lashes
18
Which of the following is a correct statement when using the closed-gloving technique?
Circulator assists with gloving
Glove is positioned palm up to facilitate pulling on
Hand must not extend beyond cuffs
Fingers of glove are pointed away from elbow
19
What is the purpose of the third lumen in a three-way indwelling Foley catheter?
Prevent urine reflux
Instill irrigation fluids
Obtain urine specimen
Provide hemostasis
20
Which of the following instrument sets will be needed when a frontal sinus fracture repair is performed?
Craniotomy
Ophthalmic
Vascular
Plastic
21
Intraoperative ventricular arrhythmias are treated with:
Lidocaine
Prostigmin
Digitoxin
Furosemide
22
Which of the following types of suture create the least tissue trauma and drag?
Threaded monofilament
Swaged monofilament
Threaded multifilament
Swaged multifilament
23
Which method uses ultrasonic energy to fragment the lens?
Phacoemulsification
Diathermy
Irrigation/aspiration
Cryotherapy
24
A legal term when a non English speaking patient signs an informed consent in English without fully understanding it
Assault and battery
Res ipsa loquitur
Respondeat superior
Negligence
25
During a strabismus correction, resection has a greater effect on which muscle?
Medial rectus
Superior rectus
Inferior rectus
Lateral rectus
26
What procedure is performed to correct chronic cerebral ischemia?
Endarterectomy
Cranioplasty
Arteriography
Rhizotomy
27
At what point is it appropriate to lower the leg when draping for a knee arthroscopy?
Before exsanguination
After the tourniquet has been inflated
After the prep is completed
Before the tourniquet has been deflated
28
Which is an example of proper sterile technique when performing the prep for a split thickness skin graft
Donor site first
Recipient site only
Donor site only
Recipient site first
29
The adipose tissue overlying the symphysis is the
Perineum
Vestibule
Labia majora
Mons pubis
30
According to the Rule of Nines, what percentage is assigned to the front and back of the
27%
1%
4 1/2%
18%
31
What is done to the umbilicus during the abdominal skin prep?
Not prepped to prevent contamination
Filled with prep solution and left pooled
Prepped separately with cotton applicators
Dabbed with first foam sponge only
32
What are the sequential steps performed prior to entrance into the sterile field?
Scrub, gown, glove
Scrub, glove, gown
Glove, scrub, gown
Gown, glove, scrub
33
The high ligation of the gonadal veins of the testes performed to reduce venous plexus congestion is a/an:
Spermatocelectomy
Epididymectomy
Varicocelectomy
Vasovasostomy
34
A second intention wound heals by:
Evisceration
Granulation
Primary union
Delayed suturing
35
What is the recommended method of hair removal from an operative site?
Clippers with disposable heads
Dry shave with straight razor and tape
Wet shave with disposable razor
Cream depilatory two days pre-op
36
Why is cardioplegia used?
Increase force of contraction
Cause diastolic arrest
Correct acidosis
Inhibit blood vessel spasm
37
Kantrex, bacitracin or Ancef mixed with saline for irrigation would do which of the following
Prevent clot formation
Minimize vasospasm
Inhibit surgical site infection
Reduce adhesions formation
38
When breaking down the sterile field, the ST should place the grossly contaminated instruments in which of the following
Biohazardous bag
Mesh-bottomed flash pan
Basin with sterile saline
Basin with sterile water
39
Untreated acute otitis media may result in:
Ethmoiditis
Adenoiditis
Mastoiditis
Tonsillitis
40
Trauma to which two of the following cranial nerves would result in the loss of smell and vision?
l and lI
Il and IV
I and Ill
II and Ill
41
The kidneys are located in the:
Space of Retzius
Retroperitoneal space
Thoracic cavity
Pelvic cavity
42
What drainage device is preferred for a radical neck dissection?
Penrose
Jackson-Pratt
Malecot
T-tube
43
The device used for real-time intraoperative assessment of blood flow is a/an:
Manometer
Pacemaker
Doppler
Caliper
44
What is compressed during rapid-sequence induction and intubation?
Thyroid gland
Hyoid
Cricoid cartilage
Manubrium
45
The first step of urine production when fluids and dissolved substances are forced through membrane by pressure is
Glomerular filtration
Glomerular absorption
Tubular secretion
Tubular secretion
46
What type of procedure might require a laparoscopy combination drape?
Subacromial decompression
Abdominoperineal resection
Pilonidal cystectomy
Femorofemoral bypass
47
Which technique is not acceptable when draping?
Place drapes on dry area when setting up backtable
Protect gloved hand by cuffing end of drape over it
Unfold drape before bringing up to the OR table
Hold the drapes 12 inches above patient until over the draping site
48
Which of the following total arthroplasty procedures would require the postoperative use of an abduction splint?
Ankle
Knee
Hip
Shoulder
49
What is the result of adding epinephrine to a local anesthetic?
Inhibit infections
Prolong anesthetic effect
Prevent clotting
Decrease heart rate
50
Which of the following is not a type of sterilizing agent?
Steam under pressure
Cobalt 60
Boiling water
Activated glutaraldehyde
51
What is used to lubricate the donor site and reduce friction from the dermatome?
Iodophor Solution
Petrolatum Gel
Mineral Oil
Bacitracin Ointment
52
In which procedure would a Bookwalter retractor be used?
Transurethral prostatectomy
Cystectomy
Retropubic prostatectomy
Nephrectomy
53
Which of the following procedures would be performed with the patient in the lateral position?
Tonsillectomy
Nephrectomy
Suprapubic prostatectomy
Vaginal hysterectomy
54
What is the most abundant ion in the body?
Potassium
Calcium
Magnessium
Sodium
55
Which of the following facilitates exposure for thyroidectomy?
Interscapular pillow
Mayfield headholder
Reverse Trendelenburg
Lateral rotation
56
Which arteries are formed by the bifurcation of the abdominal aorta?
Iliac
Renal
Mesenteric
Femoral
57
The shared passageway for food and air is the:
Bronchus
Pharynx
Larynx
Trachea
58
The laboratory test that determines the ratio of erythrocytes to whole blood is:
Hematocrit
Reticulocyte count
Hemoglobin
Differential count
59
The process by which blood cells are formed is known as:
Erythropoiesis
Diapedesis
Hemopoiesis
Leukocytosis
60
A patient's fingernail polish is removed to:
Allow temperature to be recorded
Prevent ESU exit pathway
Allow for use of pulse oximeter
Prevent surgical wound infection
61
Which surgical specialty would utilize a phacoemulsification machine?
Neurosurgery
Ophthalmology
Maxillofacial
Otorhinolaryngology
62
In which position would a patient be placed to counteract hypovolemia?
Left Lateral
Trendelenburg
Reverse Trandelenburg
Right Lateral
63
Excision of a constricted segment of the aorta with reanastomosis is performed to correct:
Aortic aneurysm
Coarctation of the aorta
Transposition of the great vessels
Patent ductus arteriosus
64
Which incisional approach would be used for a splenectomy?
Supraumbilical
Pfannenstiel
Left subcostal
Right subcostal
65
Which is a method of bacterial survival when environmental conditions are not conducive to growth and viability?
Transduction
Genetic mutation
Spore formation
Conjugation
66
Inner Lining of the Uterus is the
Myometrium
Perineum
Peritoneum
Endometrium
67
Which of the following procedures may require use of a manometer to check CS pressure?
Intracranial aneurysm clipping
Ventriculoperitoneal shunt
Transphenoidal hypophysectomy
Posterior fossa decompression
68
Which of the following is used in order to ensure preservation of the facial nerve during a parotidectomy?
Monopolar cautery
Nerve simulator
Doppler
Microscope
69
Which of the following sterilization processes is most economical?
Gas
lonizing radiation
Steam
Liquid chemical
70
Which type of procedure would require a stent dressing?
Abdominal
Extremity
Neck
Inguinal
71
Which cranial nerve is severed as a last resort treatment of Meniere's disease?
VII
IX
X
VIII
72
Cell destruction by steam sterilization occurs by:
Altering cellular DNA
Coagulation of protein
Cellular membrane damage
Cellular membrane damage
73
What action should be taken by the transporter if a discrepancy occurs in the identification of a pt in the nursing unit
Transport to OR and inform surgeon of discrepancy
Inform unit clerk of discrepancy and return to OR
Try to locate family members to verify patient identity
Do not transport, inform unit supervisor and OR personnel
74
The cranial nerve that regulates secretion of gastric juice is the:
X
V
III
VII
75
When opening a sterile wrapper, the unsterile person should open the first corner
Away from self
To the left
Toward self
To the right
76
In which of the following cases might the surgeon use a Gigli saw?
Cranioplasty
Craniotomy
Cordotomy
Corpectomy
77
Polymethyl methacrylate would most likely be used on which of the following procedures?
Intramedullary nailing
Total knee arthroplasty
Percutaneous pinning
Triple arthrodesis
78
Which of the following is used intraoperatively to assess vascular patency?
Doppler ultrasound
Positron emission tomography
Computed tomography
Positron emission tomography
79
Covering a sterile backtable for later use is:
Permissible for up to one hour before the procedure
Not permissible for up to 2 hours before the procedure
Permissible in instances of an emergency
Not permissible under any circumstances.
80
Which nerve could be damaged by improperly padded stirrups?
Sciatic
Gluteal
Tibial
Peroneal
81
A patient may be asked to shower at home with an antimicrobial soap before coming to the hospital for surgery to:
Achieve a cumulative antimicrobial effect
Reduce the amount of time for the pre-op prep
Leave a visible film so the prep borders will show
Determine if the patient is allergic to the soap
82
Which of these terms refers to the inability to direct both eyes at the same object?
Chalazion
Cataract
Glaucoma
Strabismus
83
What is the correct technique for performing the surgical skin prep?
Periphery to incision site using circular motion
Incision site to periphery using circular motion
Periphery to incision site using back-and-forth motion
Incision site to periphery using back-and-forth motion
84
Thought processes take place in the:
Midbrain
Cerebellum
Cerebral cortex
Foramen magnum
85
Which of the following neurosurgical retractors is handheld?
Greenburg
Leyl
Cushing
Beckman
86
In addition to temp, time, & moisture what factor determines the outcome of the steam sterilization process
Aeration
Weight
Concentration
Presssure
87
Which of the following is a procedure for treatment of glaucoma?
Enucleation
Vitrectomy
Iridectomy
Keratoplasty
88
All of the following statements are true for paper-plastic peel packs, except:
Inner pack of a double peel-packed item should not be sealed
Staples are an acceptable method of closing peel packs
Latex tubing should not be used to protect tip of instruments
Felt-tip markers should only be used on the plastic side of pack
89
The needle holder shown below would be used during a:
Vaginal hysterectomy
Craniotomy
Tonsillectomy
Repair of rotator cuff
90
The basic, living structural and functional unit of the body is known as the:
Cell
Tissue
Organism
Organ
91
Which structure of the ear is responsible for equilibrium?
Semicircular canals
Cochlea
Cranial nerve V
Labyrinth
92
Which of the following monitoring devices would be used within a vessel?
Pulse oximeter
Sphygmomanometer
ECG lead
Swan Ganz
93
A substance that inhibits the growth and reproduction of microbes on living tissue is a/an:
Sterilant
Sporicidal
Disinfectant
Antiseptic
94
Which of the following types of specimens would not be placed in a preservative solution?
Tonsils
Calculi
Uterus
Colon
95
Which of the following hemostatic agents is contraindicated for use in the presence of infection?
Oxidized cellulose
Absorbable gelatin
Absorbable collagen
Topical thrombin
96
Which of the following items should not be sterilized by dry heat?
Linen packs
Powder
Oil
Petroleum gauze
97
Which of the following lasers would be contraindicated for use in the posterior chamber of the eye?
Ho:YAG
Argon
Carbon dioxide
Excimer
98
The structure that lies along the posterior border of the testis is the:
Prostate
Ejaculatory duct
Tunica vaginalis
Epididymis
99
Confining and containing instruments with bioburden prevents which of the following?
Personnel injury
Cross-contamination
Instrument loss
Fomite formation
100
What is a Verres needle used for during a laparoscopy?
Collect a specimen
Instill CO2
Assist in trocar site closure
Aspirate fluid
101
How many milliliters equal two (2) ounces?
70
50
40
60
102
The instrument shown below would be used during a:
Stapedectomy
Parotidectomy
Rhytidectomy
Tonsillectomy
103
What organ detects changes in the level of insulin and releases chemicals to regulate the level of blood glucose?
Liver
Pancreas
Stomach
Gallbladder
104
What type of specialty equipment uses liquid nitrogen and is often utilized to repair re detachments?
Nezhat
CUSA
Cryotherapy unit
Nerve stimulator
105
Which term refers to an abnormal increase in the number of cells?
Dysplasia
Atrophy
Hypertrophy
Hyperplasia
106
Which organization has legal oversight for the safety of healthcare providers in the work place?
NIOSH
CDC
OSHA
EPA
107
Which structure regulates the amount of light entering the eye?
Iris
Pupil
Retina
Cornea
108
The basic unit of the nervous system is the
Neurilemma
Schwann cell
Neuron
Glial cell
109
Which of the following catheter tips is used in a patient with a urethral stricture?
Mushroom
Coude
Olive
Whistle
110
Which characteristic describes an amphiarthrosis?
Freely movable
Immobile
Hinge
Slightly movable
111
What procedure involves a series of treatments that result in permanent placement of prosthetic teeth
Dental Implant
Odontectomy
Orthognathic
LeFort II
112
Which chemical substance causes the immune system to form antibodies?
Antigens
Complements
Interferons
Immunoglobins
113
Which of the following must be tested prior to the use of a fiberoptic bronchoscope?
Light source
Laser fiber
Nitrogen level
Magnification lens
114
Which level of Maslow's Hierarchy of Needs is most applicable to the surgical patient?
Physiological and survival
Safety and security
Love and belonging
Esteem and prestige
115
What action should be taken if the patient has withdrawn the surgical informed consent prior to surgery?
Do not transport patient; inform surgeon
Transport patient to OR; inform OR supervisor
Transport patient to OR; inform surgeon
Do not transport patient; inform anesthesia provider
116
In what position would a patient be placed following a tonsillectomy?
Reverse Trendelenburg
Trendelenburg
Lateral
Sitting
117
which structure of the heart are the leads for a permanent pacemaker placed?
Septum
Aorta
Left ventricle
Right ventricle
118
What term refers to the spread of cancerous cells to other parts of the body?
In-sito
Metastasis
In-vivo
Encapsulation
119
The principal male hormone produced in the testes is:
Testosterone
Inhibin
Aldosterone
Prolactin
120
Which of the following is performed for suspected ectopic pregnancy?
Culdotomy
Colporrhaphy
Culdocentesis
Colposcopy
121
What does the term strike-through mean?
Soaking of moisture from unsterile to sterile layers
Perforation of sharp object through sterile wrapper
Rupture of heat seal during sterilization
Failure of biological indicator during sterilization
122
Where is the incision for a Caldwell-Luc procedure made?
Canine fossa
Tear duct
Eyebrow
Frontal sinus
123
What is the risk if a tourniquet is inflated for a prolonged period of time?
Hematoma formation
Tissue necrosis
Hypotension
Tetany
124
What is the purpose of maintaining the air exchange rate at 15-20 times per hour in the OR?
Provide comfortable environment
Reduce microbial count
Decrease static electricity
Increase humidity
125
How is the patient positioned on the OR table for a knee arthroscopy?
Supine, knee at lower break
Low lithotomy, body centered
Lateral, hip over lower break
Trendelenburg, knee over center break
126
The sterile surgical technologist should drape a table from:
Back to front
Open drape, lay it down
Front to back
Side to side
127
Which of the following must be in the chart prior to the patient being taken to the OR per The Joint Commission?
Insurance authorization
History and physical
Advance directive
Incident report
128
What surgical instrument is used to visualize the prostate and remove tissue during a TURP
Van Buren sounds
Resectoscope
Otis urethrotome
Ureteroscope
129
The pacemaker of the heart is/are the:
SA node
AV node
Bundle of His
Purkinje fibers
130
Which of the following hemostatic agents must be applied dry and only handled with drygloves and instruments?
Avitene
Thrombin
Gelfoam
Oxycel
131
The structure that allows the eardrum to vibrate freely and connects the middle ear and the oropharynx is the:
Eustachian tube
Semicircular canal
Internal auditory meatus
External auditory canal
132
Following a TURP, a patient may have which of the following placed for bladder irrigation and compression?
T-tube
Robinson
Jackson-Pratt
3-way Foley
133
Recommended range of intra-abdominal pressure in an adult when using an insufflator during a laparoscopic procedure?
12-15 mm Hg
16-19 mm Hg
8-11 mm Hg
20-23 mm Hg
134
Which of the following procedures is performed for cervical incompetence?
Shirodkar
Wertheim
Culdocentesis
Colporrhaphy
135
For which of the following diagnoses would a patient require pancreaticojejunostomy?
Gastroschisis
Morbid obesity
Neonatal jaundice
Alcoholic pancreatitis
136
Small radiopaque surgical patties used during cranial procedures are:
Cottonoids
Pledgets
Raytecs
Kittners
137
To maintain control of the stretcher, the patient should be transported to the OR
Feet first
Head first
According to surgeon's orders
Based on patient's request
138
How many hours is the steam biological indicator incubated?
12
4
6
24
139
When adding 30 mL of injectable saline to 30 mL of 0.5% Marcaine, what strength does the drug become?
.25%
.50%
.75%
1.0%
140
Which cranial nerve is affected by trigeminal neuralgia?
I
VII
II
VI
141
The most abundant extracellular ion necessary for the transmission of impulses is:
Chloride
Calcium
Sodium
Potassium
142
During closure of a nephrectomy in the lateral position, the OR table is straightened to
Tissue approximation
Adequate respirations
Proper circulation
Wound hemostasis
143
What agent is used to flush the harvested saphenous vein during a CABG?
Thrombin
Bacitracin
Potassium chloride
Heparinized saline
144
Which of the following can be injured if the arm is placed on the arm board greater than 90 degrees?
Cervical plexus
Acromioclavicular joint
Brachial plexus
Rotator cuff
145
The correct sterilization times required to render specific items sterile are initially established by the
Healthcare facility policies
CDC
Equipment manufacturer
Surgeon’s preference
146
What classification of drug reduces tissue inflammation?
Steroids
Antiemetics
Antibiotics
Sulfonamides
147
Which of the following needles would be used for a liver biopsy?
Tru-Cut
Interstitial
Stamey
Verres
148
How long must an item be immersed in glutaraldehyde to be sterile?
6 hours
10 hours
90 mins
10 mins
149
Which area is prepped last when performing the skin prep for a Bartholin's cystectomy?
Perineum
Mons pubis
Vagina
Anus
150
An identification bracelet is placed on a surgical patient upon admission to the:
Facility
Pre-op care unit
Nursing unit
Surgery department
151
What is the name of this retractor?
Bennett
Harrington
Richardson
Charley
152
Which of the following enlarges and illuminates the surgical field during cataract procedures?
Fiberoptic headlamps
Surgical loupes
Operating microscope
Fluorescent overhead lights
153
The facial fracture that involves the complete separation of the maxilla from the cranial base is a/an:
Zygomatic
Orbital floor
LeFort I
Frontal sinus
154
How many minutes are unwrapped instruments with no lumens sterilized at 270 degrees F?
3
6
12
9
155
How many mL of water is necessary to inflate a 5-mL balloon on the Foley indwelling catheter
10
15
20
5
156
Which of the following is a non-electrolytic and isotonic solution used during a TURP?
Ringer's lactate
Saline
Glycine
Distilled water
157
Where should the surgical technologist begin when performing closing counts?
Operative Site
Backtable
Mayo Stand
Off the field
158
For which of the following diagnoses would a patient undergo endoscopic retrograde cholangiopancreatography?
Choledocholithiasis
Pancreatolithiasis
Pancreatitis
Cholecystitis
159
A diagnostic procedure performed for patients with possible prostatic cancer is known as a:
TURP
Cystostomy
Needle biopsy
KUB
160
Which of the following arteries does not arise directly from the aorta?
Superior mesenteric
Vertebral
Celiac
Left common carotid
161
Phagocytosis by the white blood cells is an example of which line of defense?
Third
First
Second
Fourth
162
The valve between the left atrium and the left ventricle is the:
Tricuspid
Bicuspid
Aortic semilunar
Pulmonary semilunar
163
Which of the following is the least inert of the synthetic meshes?
PTFE
Polyglactin 910
Polypropylene
Polyester fiber
164
Which of the following incisions may be used for the repair of a zygomatic fracture?
Below lower eyelid
Preauricular
Coronal
Angle of the mandible
165
In the OR, HEPA is a type of:
Air filter
Gas outlet
Suction device
Laminar flow
166
The set of teeth that erupt at about 6 months of age and are later replaced are the
Bicuspids
Secondary dentition
Third molars
Deciduous teeth
167
What procedure is performed to immobilize the jaw following a mandibular fracture?
Arch bar application
LeFort I
LeFort II
TMJ osteotomy
168
What radiopaque contrast medium is used intraoperatively when the patient is allergic to iodine
Isovue
Renografin
Methylene blue
Indigo carmine
169
An axillary role is placed for lateral positioning to
Facilitate respiration
Allow access to incision site
An axillary role is placed for lateral positioning to:
Create good body allgnment
170
Which of the following sterilizers operates with condition, exposure, exhaust and dry cycles?
Hydrogen peroxide
Gravity air displacement
Prevacuum steam
Activated glutaraldehyde
171
What is the surgical technologist's role during the transfer of the patient from the OR bed to the stretcher
Completes counts and signs the OR record
Maintains sterility and integrity of backtable
Begins breakdown of sterile setup after drapes removed
Does not remove sterile attire, but aids in patient transfer
172
What is a surgical procedure for the treatment of acute otitis media?
Stapedectomy
Tympanoplasty
Mastoidectomy
Myringotomy
173
What precaution is utilized to prevent cardiovascular complications when positioning a anesthetized patient?
Pad bony prominences
Move patient slowly
Uncross legs or ankles
Maintain neutral alignment
174
Which of the following would be incorrect technique when removing the sterile gown and gloves?
Circulator unties gown
Gloves removed inside-out
Gloves removed first
Gown removed inside-out
175
Why is the orientation of the vein graft reversed during a CABG?
Prevent atherosclerosis
Presence of valves
Thickness of tunica intima
Reduce vascular flow