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Phlebotomy #4 Flashcards | StudBud
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Phlebotomy #4
Phlebotomy #4
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1
Why is it necessary to allow the alcohol to dry before performing a skin puncture?
To help the skin become red
To prevent hemolysis
To help direct the flow of blood down the finger
All of the above
2
Once a patient who has experienced syncope regains consciousness, he should remain at the drawing station for at least
15 minutes.
5 minutes.
60 minutes.
30 minutes.
3
If you are asked to draw blood 1 hour after the administration of a drug. What are you drawing?
Trough level
Post Prandial level
Fasting level
Peak level
4
What is the angle that should be used for a skin puncture?
45 degrees
90 degrees
30 degrees
15 degrees
5
What happens to red blood cells when a blood specimen is centrifuged?
The cells and fluid are thoroughly mixed
The cells lyse
Nothing happens to the specimen
The cells sink to the bottom of the tube
6
What can be the results if you probe blindly?
Patient can lose the use of the arm
A nerve can be struck
All of the above
It can cause undo pain
7
What do glucose, triglycerides, and cholesterol have in common?
They should be protected from light.
They should be done in a fasting state.
They should be put on ice immediately.
They should be done after exercise.
8
Which of the following characterizes venous blood?
Deoxygenated blood
Obtained through routine skin puncture
Usually brighter red in color
Oxygenated blood
9
Which of the following are involved in the exchange of nutrients for waste products in the respiratory system?
The veins
The alveolus
All of the above
The capillaries
10
If something is given b.i.d. it is an abbreviation for
two times a day.
three times a day.
try in duplicate.
this is done daily.
11
Syncope is another word for
fainting.
vomitting.
stroke.
nausea.
12
What additive is in a light green top tube?
Sodium heparin
Sodium fluoride
Lithium heparin
Ammonium heparin
13
Daily changes that occur during daytime hours in the body and reflected in test results are called
abnormal.
panic values.
reference ranges.
diurnal rhythms.
14
How can you tell if a specimen is hemolyzed?
It looks dark yellow.
It has clotted.
It looks pink to red.
It looks lipemic.
15
Your patient is to have a 2hr. PP/PC. What instructions do you need to tell the patient?
Eat a high carbohydrate meal and come back in 2 hours
Come in 2 hours after you get up
Nothing to eat or drink for 2 hours
Come in 2 hours before you eat
16
CK blood test is used to assess what body system?
Cardiac
Respiratory
Renal
Hepatic
17
If you have a “short draw” in a light blue tube what would happen to the results?
The sample would clot
The results would be artificially prolonged
The results would be artificially shortened
Nothing
18
A patient must ________ for 8-10 hours before starting a GTT.
drink plenty of coffee
fast
eat a special diet
drink plenty of juice
19
What is the difference between serum and plasma?
Plasma is intracellular and serum is extracellular
When blood clots it uses up the fibrinogen
Serum is a cell containing fluid and plasma is not
Serum that has used up its fibrinogen and leaves plasma
20
Pulmonary circulation takes blood to the
heart from the body tissues.
internal organs of the body.
areries in the heart muscle.
lungs and back to the heart.
21
What is the additive in a yellow tube that is used for blood cultures?
CPC
ACD
SPS
EDTA
22
Which of the following is not a true statement?
Check the tubes for expiration date
You should pre-label tubes before doing your draw
Check for cracks in tubes before drawing
Make sure to check requisition for tests ordered
23
To anchor a hand vein prior to venipuncture, the phlebotomist may place the thumb
two inches above the wrist.
four inches below the wrist.
above the vein selected.
across the patient’s knuckles.
24
What is the Buffy coat?
White blood cells
White blood cells and platelets
Red Blood Cells and Platelets
Platelets
25
Define Host.
A person with low resistance
A person that transmits the germ
A person who waits tables
A person carrying a germ but not the disease
26
Digoxin is a therapeutic drug that is used in what type of condition?
Cardiac
Infectious disease
Kidney
Bone disease
27
The main reason for Universal/Standard precautions is to
protect the health-care worker and the patient.
treat everyone equally.
protect the hospital.
provide a sterile atmosphere.
28
If you are asked to draw electrolytes in a green top tube, which tube would you use?
Ammonium Heparin
Lithium Heparin
Sodium Citrate
You don’t draw a green tube for electrolytes
29
A minimum of how many identifiers do you need from a patient?
1
2
4
3
30
The patient suffers from hyperglycemia. What is that?
Low blood sugar
Low protein in the blood
High blood sugar
High cholesterol
31
An additive in a royal blue tube is
heparin.
sodium citrate.
chloride.
trace elements.
32
Which clot tube is inappropriate for Blood Bank?
Gel Barrier/SST
Citrate
EDTA
Plain Red
33
What tube normally will be used for drug levels?
SST
Plain
EDTA
Na Fluoride/K oxalate
34
Which blood cell has the ability to pass through the blood vessel walls?
Reticulocyte
Leukocyte
Erythrocyte
Thrombocyte
35
What is the correct order of draw for all additive tubes?
SST, Lt. Blue, Green, Gray, Lavender
Lavender, Lt. Blue, Green, Gray, SST
Lt. Blue, Lavender, Green, Gray
Lt. Blue, SST, Green, Lavender, Gray
36
What do these symbols represent? Na⁺, K⁺, Cl⁻, CO₂
Sodium, Potassium, Carbon Dioxide, Ammonia
Sodium, Potassium, Chloride, Blood Urea Nitrogen
Sodium, Potassium, Chloride, Oxygen
Sodium, Potassium, Chloride, Carbon Dioxide
37
Which tube additive is most likely to adversely affect test results if carried over to a subsequent evacuated tube?
oxalate
heparin
EDTA
citrate
38
This blood vessel has valves.
A capillary
An artery
A cell membrane
A vein
39
How long should alcohol be allowed to dry before doing a venipuncture?
15-30 seconds
5 minutes
2 minutes
5-10 seconds
40
Plasma is what percentage of water?
Approximately 10%
Approximately 50%
Approximately 45%
Approximately 90%
41
Capillary blood more closely resembles
intracellular fluid than venous blood.
venous blood than arterial blood.
tissue fluid than venous blood.
arterial blood than venous blood.
42
A test is ordered to be done in a “Basal state”. What does this mean?
The patient is dehydrated.
The patient has had a good exercise workout.
The patient has eaten in the last hour.
It is to be done when patient has had restful sleep and nothing to eat.
43
What are the main departments within the Clinical Pathology Laboratory?
Histology, Chemistry, Biopsy, Urinalysis, and Blood Bank
Cytology, Histology, Autopsies, and X-Ray
Nuclear Medicine, X-Ray, Catheterization Lab, Biopsies, and Autopsies
Microbiology, Chemistry, Hematology, Blood Bank, Serology, and Coagulation
