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 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔d. corticosteroid
Which of the following is nonionic contrast material?
a. iodamide
b. iothalamate
c. iohexol
d. diatrizoate - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔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 - correct answer ✔✔d. T wave
During CT arthrography, iodinated contrast media is injected directly into the:
a. joint space
b. intrathecal space
c. subarachnoid space
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