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Urinary and Venipuncture Flashcards | StudBud
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Urinary and Venipuncture
Urinary and Venipuncture
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1
Which position/projection is best during VCU for a male patient once bladder is full?
recumbent lateral
30 degree RPO
AP
Erect lateral
2
An x-ray of AP taken during retrograde cystogram shows floor of the bladder is superimposed over symphysis. What error?
excessive CR angulation
insufficient CR angulation
rotation of the pelvis
excessive filling of the bladder with contrast
3
During an IVU, the patient develops
severe
urticaria. What should be the next action taken by the technologist?
give patient some Benedryl
comfort patient; this is common side effect
call for medical assistance; continue to monitor patient
call a code emergency
4
Which of the following drug is given before an IVU to reduce the risk of a contrast reaction?
verapamil
diphenhydramine
diazepam
fluoxetine
5
Which term describes the leakage of contrast media from a vein into the surrounding tissues of the arm?
exudation
filtration
micturation
extravasation
6
I preparation for venipuncture, the tourniquet should be placed ____ above the site of the injection.
2.5-5 cm
20-25 cm
15-18 cm
7.5-10 cm
7
What should a tech do if a patient experiences a hot flash annd metallic taste in mouth following injection of contrast?
call a doctor to complete injection
stop injection of contrast immediately
stop injection, but continue with imaging sequence
reassure patient, and continue with injection
8
What structures might appear "blunted" on a chest x-ray of a patient with pleural effusion?
bases
costophrenic angles
cardiophrenic angles
fissures
9
Nephrogram taken during IVU shows renal parenchyma is not visualized well, but calyces are enhanced. What is the reason?
the exposure was not taken soon enough after injection
the contrast was dilute
the patient has hypertension
kVp may have been too high
10
A region or area of subcutaneous swelling caused by allergic reaction to foods or drugs is termed:
oliguria
syncope
angioedema
micturation
11
Which of the following conditions is considered to be higher risk (a contraindication) for a contrast media reaction?
congestive heart failure
hematuria
renal calculi
urinary tract infection
12
The American College of Radiology recommends that metformin be withheld for ___ hour(s) after getting contrast.
48
1
8
10
13
Patchy blunting of the calyces is a sign of:
chronic pyelonephritis
ectopic kidney
polycystic kidney disease
renal hypertension
14
If a patient experiences tachycardia following a systemic contrast injection, he/she is experiencing a ____ reaction
vasovagal
moderate
severe
mild
15
What is the recommended treatment protocol for extravasation?
elevate limb and apply hot compress
elevate limb and apply cold compress
increase IV fluids
give the patient Benadryl
16
Patient history reveals possible enlarged prostate. Which positions best show this condition for IVU?
30 degree RPO
AP erect, prevoiding and postvoiding
PA, CR perpendicular
AP supine with 15 degree caudad angle
17
The glomeruli, Bowman's capsule, & Proximal tubules are located in the ______ of the kidney.
collecting system
cortex
medulla
fibrous capsule
18
Which of the following conditions is considered a moderate-level contrast media reaction requiring treatment?
syncope
nausea and vomiting
none are moderate
hypotension
19
Which pole of the kidneys is more posterior
lower
upper
20
Where is the central ray (CR) centered for a nephrotomogram of the kidneys?
midway btwn iliac crest and xiphoid
at xiphoid process
midway btwn ASIS and iliac crest
at iliac crest
21
Which level of contrast media reaction has occurred when the patient develops mild urticaria?
severe reaction
normal side effect
mild reaction
moderate reaction
22
Which occurs in many patients and is defined as an
expected
outcome to the introduction of iodinated contrast media?
All of the options
Mild condition of urticaria (hives)
Metallic taste in mouth and temporary hot flash
Moderate itching and sneezing
23
Which component of an ionic contrast media increases it's solubility?
cation
benzoic acid
anion
iodine
24
Normal BUN (blood urea nitrogen) levels in adults should not exceed ____ mg per 100 mL.
10
25
5
1.5
25
Which of the following symptoms is classified as “mild” during a systematic contrast media reaction?
angioedema
extravasation
hypotension
itching
26
The structural and functional unit of the kidney is:
nephron
Bowman's capsule
glomerulus
calyx
27
Consider the path of urine in the kidney. Once urine leaves the major calyces, it will collect in the _____ next.
minor calyces
renal pelvis
ureter
renal pyramids
28
In a cross-section of the abdomen, the kidneys are posterior to all of the following,
except:
aorta
vertebral bodies
vertebral arch
inferior vena cava
29
A patient comes to radiology for IVU. Creatinine level is 0.7mg/dL. What should the tech do next?
Notify the radiologist of the elevated creatinine level
escort the patient to the emergency department right away
Notify the ordering physician of the elevated creatinine level
Proceed with the study
30
Which term correctly descibes the radiograph?
nephrotomogram
nephrogram