Mosby's CT Registry Review 3rd Edition:
Practice Exam #1 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
An average range for activated partial thromboplastin time (PTT) is: -
🧠ANSWER ✔✔25-35 seconds.
PTT is a lab measure of blood coagulation.
What is the correct angle of insertion for placing a butterfly needle into a
vein for intravenous administration of a contrast agent? - 🧠ANSWER ✔✔15
degrees
It's also important that the vein be properly stabilized and needle be
inserted gently with bevel facing upward.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,A total volume of 125 mL of an iodinated contrast agent is administered
intravenously via automatic injector in 50 seconds. The flow rate for this
injection is: - 🧠ANSWER ✔✔2.5 mL/sec
Flow rate may be calculated by dividing total contrast volume by time of
injection.
The condition whereby the pt suffers from a low concentration of oxygen in
the blood is called: - 🧠ANSWER ✔✔hypoxemia
While one is obtaining a thorough history from a pt before the intravenous
injection of an iodinated contrast material, which of the following topics
should be included?
1. any prior allergic reactions to CM
2. presence of HIV or hepatitis infection
3. hx of asthma - 🧠ANSWER ✔✔1 and 3 only.
Which of the following factors may affect a pt's calculated GFR?
1. age
2. sex
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
,3. race - 🧠ANSWER ✔✔1, 2, and 3
Which of the following IV contrast agent administration methods provides
the greatest overall plasma iodine concentration?
a. drip infusion
b. bolus technique
c. biphasic technique
d. CT portography - 🧠ANSWER ✔✔bolus technique
A bolus admin. of contrast agent requires entire vol of material to be
injected over the shortest possible time. Bolus admin provides the
maximum plasma iodine concentration and subsequent tissue
enhancement.
A patient in shock may exhibit which of the following sx?
1. tachycardia
2. rapid, shallow breathing
3. cyanosis - 🧠ANSWER ✔✔1, 2, and 3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Other sx include pallor, hypotension, and cold, clammy skin
The drug SOLU-CORTEF may be classified as which of the following?
a. anticholinergic
b. bronchodilator
c. antihistamine
d. corticosteroid - 🧠ANSWER ✔✔corticosteroid
SOLU-CORTEF is a brand name for hydrocortisone. Corticosteroids may
be used during tx of anaphylactoid reactions to iodinated CM.
Which of the following is a nonionic contrast material?
a. iodamide
b. iothalamate
c. iohexol
d. diatrizoate - 🧠ANSWER ✔✔iohexol
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
4
Practice Exam #1 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
An average range for activated partial thromboplastin time (PTT) is: -
🧠ANSWER ✔✔25-35 seconds.
PTT is a lab measure of blood coagulation.
What is the correct angle of insertion for placing a butterfly needle into a
vein for intravenous administration of a contrast agent? - 🧠ANSWER ✔✔15
degrees
It's also important that the vein be properly stabilized and needle be
inserted gently with bevel facing upward.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,A total volume of 125 mL of an iodinated contrast agent is administered
intravenously via automatic injector in 50 seconds. The flow rate for this
injection is: - 🧠ANSWER ✔✔2.5 mL/sec
Flow rate may be calculated by dividing total contrast volume by time of
injection.
The condition whereby the pt suffers from a low concentration of oxygen in
the blood is called: - 🧠ANSWER ✔✔hypoxemia
While one is obtaining a thorough history from a pt before the intravenous
injection of an iodinated contrast material, which of the following topics
should be included?
1. any prior allergic reactions to CM
2. presence of HIV or hepatitis infection
3. hx of asthma - 🧠ANSWER ✔✔1 and 3 only.
Which of the following factors may affect a pt's calculated GFR?
1. age
2. sex
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
,3. race - 🧠ANSWER ✔✔1, 2, and 3
Which of the following IV contrast agent administration methods provides
the greatest overall plasma iodine concentration?
a. drip infusion
b. bolus technique
c. biphasic technique
d. CT portography - 🧠ANSWER ✔✔bolus technique
A bolus admin. of contrast agent requires entire vol of material to be
injected over the shortest possible time. Bolus admin provides the
maximum plasma iodine concentration and subsequent tissue
enhancement.
A patient in shock may exhibit which of the following sx?
1. tachycardia
2. rapid, shallow breathing
3. cyanosis - 🧠ANSWER ✔✔1, 2, and 3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Other sx include pallor, hypotension, and cold, clammy skin
The drug SOLU-CORTEF may be classified as which of the following?
a. anticholinergic
b. bronchodilator
c. antihistamine
d. corticosteroid - 🧠ANSWER ✔✔corticosteroid
SOLU-CORTEF is a brand name for hydrocortisone. Corticosteroids may
be used during tx of anaphylactoid reactions to iodinated CM.
Which of the following is a nonionic contrast material?
a. iodamide
b. iothalamate
c. iohexol
d. diatrizoate - 🧠ANSWER ✔✔iohexol
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
4
