CT - FINALS L2

Question 1

This CT procedure is indicated for detection in patients with normal or equivocal plain CXR appearances who
have symptoms or pulmonary function tests suggestive of diffuse lung disease

Answer 1

High-Resolution Computed Tomography (HRCT)

Question 2

The following are indications of CT Pulmonary Angiography EXCEPT:

A. Primary Diagnosis of Acute Pulmonary Embolism

B. Pulmonary Arterial Hypertension

C. Triphasic Abdominal CT

D. AVM

Answer 2

C. Triphasic Abdominal CT

Question 2

TRUE OR FALSE

Physical maneuvers during Chest & Thoracic CT Positioning includes arms relaxed at the sides

Answer 2

FALSE

Physical maneuvers during Chest & Thoracic CT Positioning includes ARMS EXTENDED TO THE HEAD

Question 2

Fasting before Chest & Thoracic CT is done at least ______ before the exam

Answer 2

3 Hours

Question 3

What is the respiration protocol for Chest & Thoracic CT ?

Answer 3

Suspended Respiration at Inspiration

Question 3

Chest / Thoracic CT starts from the _______ and ends at the _________

Answer 3

Start = Lung Apex

End = Most Inferior Border of the Diaphragm

Question 4

Scanogram for Chest & Thoracic CT is ______

Answer 4

AP

Question 5

ST for Chest & Thoracic CT

Answer 5

ST = 3-10 mm

Question 6

Enumerate five (5) common clinical findings for Chest & Thoracic CT

Answer 6

1. Asbestosis
2. Pneumothorax
3. Mediastinal Mass
4. Lung Mass
5. Tuberculoma

Question 7

ABDOMINOPELVIC CT INDICATIONS:

Whole Abdomen and Stonogram examination that UT stone, retroperitoneal is performed _____

A. With Rectal Contrast

B. With IV and Without Oral Contrast

C. With Both IV and Oral

D. Without Oral or IV Contrast (Plain Study)

Answer 7

D. Without Oral or IV Contrast (Plain Study)

Question 8

ABDOMINOPELVIC CT INDICATIONS:

Mesenteric Ischemia, high-grade small bowel obstruction is performed with _____

A. With Rectal Contrast

B. With IV and Without Oral Contrast

C. With Both IV and Oral

D. Without Oral or IV Contrast (Plain Study)

Answer 8

B. With IV and Without Oral Contrast

Question 9

ABDOMINOPELVIC CT INDICATIONS:

Appendicitis, colonic pathology,
penetrating trauma are performed _______

A. With Rectal Contrast

B. With IV and Without Oral Contrast

C. With Both IV and Oral

D. Without Oral or IV Contrast (Plain Study)

Answer 9

A. With Rectal Contrast

Question 10

It is an enhanced CT
technique mostly used to evaluate liver lesions; acquiring images at 3 different time points, or phases, following
the administration of a contrast.

Answer 10

Triphasic / Triple-Phase CT Scan

Question 11

In general, tumors of the liver tends to show up better in the additional ________ of a triphasic CT scan.

Answer 11

Two Phases

Question 12

During abdominopelvic CT, Patients should have nothing but _______ liquids at least ________ before the exam.

Answer 12

1. Clear
2. 4 Hours

Question 13

TRUE OR FALSE

Patients should not be NPO before an Abdominopelvic CT scan

Answer 13

TRUE

Question 14

Positive Oral Contrast for Abdominopelvic CT Scan is usually _______ or ______

BONUS Q: How much is the concentration ?

Answer 14

Dilute Hypaque or Barium

BONUS ANS: 1-3 % Concentration

Question 15

_______ cc of water should be given to all patients when the patient gets on the scanning table during Abdominopelvic CT Scanning.

Answer 15

250 - 300 cc

Question 16

Patients who may have a bowel perforation should be given _______ and not ______

Answer 16

1. Dilute Hypaque
2. Dilute Barium

Question 17

Patient Bowel Preparations for abdominopelvic scans have an NPO a night prior to procedure starting at __________

A. 6 PM
B. 8 PM
C. 10 PM
D. 12 MN

Answer 17

D. 12 MN

Question 18

For oral contrast preparations for abdominopelvic scans, _______mL of Barium should be given 60 mins prior to scanning

A. 350
B. 250
C. 200
D. 100

Answer 18

B. 250

Question 19

For oral contrast preparations for abdominopelvic scans, _______mL of Volumen should be given 40 mins prior to scanning

A. 300 mL
B. 450 mL
C. 400 mL
D. 350 mL

Answer 19

B. 450 mL

Question 20

For oral contrast preparations for abdominopelvic scans, _______mL of Hypaque should be given 30 and 60 mins prior to scanning

A. 300 mL
B. 400 mL
C. 450 mL
D. 500 mL

Answer 20

D. 500 mL

Question 21

What are the three (3) contraindications for rectal contrast administration ?

Answer 21

1. Recent Colonic Surgery
2. Recent Rectal Surgery
3. Recent Bone Marrow Transplant

Question 22

Rectal contrast is administered via a _____ and_____

Answer 22

Catheter and Enema Bag

Question 23

Whole Abdomen CT scanning starts at the ________ and ends at the _______

Answer 23

Start = Dome of the Liver End = Symphysis Pubis

Question 24

Abdominopelvic scan use slice thickness of ______ A. 1 mm B. 2.5 mm C. 5 mm D. 3 mm

Answer 24

C. 5 mm

Question 25

It is an abdominopelvic CT scanning procedure intended to diagnose stone conditions such as nephrolithiasis

Answer 25

Stonogram

Question 26

Make sure that the px has drank lots of water to ensure ___________

Answer 26

Urinary Bladder (UB) Distention

Question 27

IV Contrast for Stonogram is injected for the _______ series

Answer 27

Second

Question 28

Delayed scan for Stonogram is performed after ______, prior to IV injection

Answer 28

2 Minutes

Question 29

How many laxatives (Dulcolax) must be taken after light meal lunch / dinner ?

Answer 29

Two (2)

Question 30

The patient must take at least _______teaspoon/s of castor oil before going to bed

Answer 30

Two (2)

Question 31

The first suppository must be inserted to the patient at ______ and another at ____

Answer 31

First Suppository = 4 AM Second Suppository = 5 AM

Question 32

This scan is performed in cases of surveillance or follow-up for hepatocellular carcinoma in patients with chronic liver disease/cirrhosis and follow-up after chemoembolization of liver malignancy (primary or metastatic) and in patients who have had a liver transplant.

Answer 32

Triphasic Abdominal CT

Question 33

Triphasic Abdominal CT Scan Method: _____ mm of pre-contrast for top to bottom of liver

Answer 33

5

Question 34

Triphasic Abdominal CT Scan Method: 5 mm of post-contrast for top to bottom of liver for arterial phase at _____

Answer 34

2.5 mm recon

Question 35

Triphasic Abdominal CT Scan Method: “SMART PREP” Aorta (170HU baseline) (usual delay 30 sec) Ideally obtain excellent hepatic arterial opacification with minimal contrast in portal vein;

Answer 35

Arterial Phase

Question 36

Triphasic Abdominal CT Scan Method: 5mm at 70 sec delay with 2.5 mm recon. Scan the entire abdomen in this acquisition (top of the liver to sp)

Answer 36

Portal Venous Phase

Question 37

Triphasic Abdominal CT Scan Method: 5 mm at 180 sec delay with 2.5 mm recon (top of liver to bottom of kidneys)

Answer 37

Equilibrium Phase