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Computed Tomography Mosbys Test 1 questions reviewed with verified answers.
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Computed Tomography Mosbys Test 1questions reviewed with verified
answers.
An average range for activated partial thromboplastin time (PTT) is
a. 10-12 seconds
b. 17-21 seconds
c. 23-35 seconds
d. 43-55 seconds ANS - c. 25-35 seconds
Which of the following is the correct angle of insertion for placing a butterfly needle into a vein for
intravenous administration of a contrast agent?
a. 5 degrees
b. 15 degrees
c. 45 degrees
d. 60 degrees ANS - b. 15 degrees
A total volume of 125mL of an iodinated contrast agent is administered intraveneously via automatic
injector in 50 seconds. The flow rate for this injection is
a. 0.75ml/sec
b. 1.25ml/sec
c. 1.75ml/sec
d. 2.5ml/sec ANS - d. 2.5ml/sec
The condition from whereby a patient suffers from a low concentration of oxygen in the blood is called:
,a. hypoxemia
b. hypotension
c. hypoxia
d. hyponatremia ANS - a. hypoxemia
While one is obtaining a through history from a patient before the intravenous injection of an iodinated
contrast material, which of the following tops should be included?
1. any prior allergic reactions to contrast media
2. presence of HIV or hepatitis infection
3. history of asthma
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1,2, and 3 ANS - c. 1 and 3 only
Which of the following factors may affect a patient's calculated glomerular filtration rate (GFR)?
1. age
2. sex
3. race
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1,2, and 3 ANS - d. 1,2, and 3
,Which of the following intravenous contrast agent administration methods provides the greatest overall
plasma iodine concentration?
a. drip infusion
b. bolus infusion
c. biphasic technique
d. CT portography ANS - b. bolus infusion
A patient in shock may exhibit which of the following symptoms?
1. tachycardia
2. rapid, shallow breathing
3. cyanosis
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1, 2, and 3 ANS - d. 1,2, and 3
The drug SOLU-CORTEF may be classified as which of the following?
a. anticholinergic
b. bronchodilator
c. antihistamine
d. corticosteroid ANS - d. corticosteroid
Which of the following is nonionic contrast material?
a. iodamide
b. iothalamate
, c. iohexol
d. diatrizoate ANS - c. iohexol
Which of the following terms is used to describe a patient who is having difficulty breathing?
a. dyslexia
b. dyspnea
c. dysphagia
d. dysphasia ANS - b. dyspnea
Which of the following describes the situation in which an assumption is made that an unconscious or
otherwise physically unable patient consents to medical treatments?
a. informed consent
b. witnessed consent
c. patient proxy
d. implied consent ANS - d. implied consent
Complete cardiac diastole corresponds to which portion of the cardiac cycle on an electrocardiogram
(ECG)?
a. P wave
b. Q,R,S complex
c. alpha wave
d. T wave ANS - d. T wave
During CT arthrography, iodinated contrast media is injected directly into the:
a. joint space
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