Question 1

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once.
-40-75 HU

Accepted Answer

A) Clotted blood 
B) Extravasated contrast 
C) Ascites, bile, urine, or bowel contents 
D) Unclotted blood 
A) Clotted blood 
B) Extravasated contrast 
C) Ascites, bile, urine, or bowel contents 
D) Unclotted blood A

Question 2

The adrenal glands are labeled:

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 8 
A) 3 
B) 4 
C) 5 
D) 8 D

Question 3

Coronary artery studies present a challenge during computed tomographic angiography because of: I. pronounced rapid motion
II. small size
III. tortuous course

Accepted Answer

A) I and II 
B) II and III 
C) I and III 
D) I, II, and III 
A) I and II 
B) II and III 
C) I and III 
D) I, II, and III D

Question 4

Patients with diverticulitis will usually feel pain in the:

Accepted Answer

A) right upper quadrant 
B) right lower quadrant 
C) left upper quadrant 
D) left lower quadrant 
A) right upper quadrant 
B) right lower quadrant 
C) left upper quadrant 
D) left lower quadrant

Question 5

Computed tomographic imaging of the adrenal glands is easy and reliable, except when the patient is extremely _________.

Accepted Answer

A) dehydrated 
B) obese 
C) thin 
D) young 
A) dehydrated 
B) obese 
C) thin 
D) young

Question 6

Use the following figure to answer the questions: 
-The ascending aorta is labeled:

Accepted Answer

A) 1 
B) 2 
C) 5 
D) 7 
A) 1 
B) 2 
C) 5 
D) 7

Question 7

The introduction of___________ enhanced the capability of determining the exact location of needle placement.

Accepted Answer

A) computed tomographic angiography 
B) computed tomographic fluoroscopy 
C) computed tomographic screening 
D) quantitative computed tomography 
A) computed tomographic angiography 
B) computed tomographic fluoroscopy 
C) computed tomographic screening 
D) quantitative computed tomography

Question 8

Computed tomographic imaging of bony tumors is useful in determining all of the following except:

Accepted Answer

A) articular involvement 
B) evaluating cortical integrity 
C) measuring bone strength 
D) tumor location in the bone 
A) articular involvement 
B) evaluating cortical integrity 
C) measuring bone strength 
D) tumor location in the bone

Question 9

In computed tomography, preoperative assessments of abdominal aortic aneurysms are performed for all of the following reasons except:

Accepted Answer

A) assess the iliac arteries 
B) determine the relationship between the aneurysm and the renal arteries 
C) determine surgery time 
D) precisely size the entire aneurysm 
A) assess the iliac arteries 
B) determine the relationship between the aneurysm and the renal arteries 
C) determine surgery time 
D) precisely size the entire aneurysm

Question 10

Use the following figure to answer the questions: 
-The structure labeled as 2 is the:

Accepted Answer

A) aorta 
B) hepatic artery 
C) inferior vena cava 
D) portal vein 
A) aorta 
B) hepatic artery 
C) inferior vena cava 
D) portal vein

Question 11

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once.
-5-10 HU

Accepted Answer

A) Clotted blood 
B) Extravasated contrast 
C) Ascites, bile, urine, or bowel contents 
D) Unclotted blood 
A) Clotted blood 
B) Extravasated contrast 
C) Ascites, bile, urine, or bowel contents 
D) Unclotted blood

Question 12

Computed tomographic imaging of skeletal trauma includes anatomical regions of the: 
I. ankle
II. pelvis
III. shoulder

Accepted Answer

A) I and II 
B) II and III 
C) I and III 
D) I, II, and III 
A) I and II 
B) II and III 
C) I and III 
D) I, II, and III

Question 13

Computed tomography is the primary method for pelvic assessment.

Accepted Answer

A) True 
 B)False

Question 14

Computed tomographic imaging of the bowel for evaluation of bowel obstructions can demonstrate all of the following except:

Accepted Answer

A) confirmation of obstruction 
B) determination of the level of obstruction 
C) measurement of bowel fluid 
D) indication of possible vascular compromise 
A) confirmation of obstruction 
B) determination of the level of obstruction 
C) measurement of bowel fluid 
D) indication of possible vascular compromise

Question 15

High-resolution computed tomography is effective in evaluating all of the following except:

Accepted Answer

A) asbestosis 
B) dissecting aneurysm 
C) idiopathic pulmonary fibrosis 
D) silicosis 
A) asbestosis 
B) dissecting aneurysm 
C) idiopathic pulmonary fibrosis 
D) silicosis

Question 16

Computed tomography is superior to magnetic resonance imaging for most clinical indications of the chest and abdomen.

Accepted Answer

A) True 
 B)False

Question 17

A triphase study of the liver includes all of the following except:

Accepted Answer

A) arterial phase 
B) delayed phase 
C) preinjection phase 
D) venous phase 
A) arterial phase 
B) delayed phase 
C) preinjection phase 
D) venous phase

Question 18

In patients with known or suspected bronchogenic carcinoma, computed tomography is used to determine the extent of invasion to the: 
I. chest wall
II. diaphragm
III. mediastinum

Accepted Answer

A) I and II 
B) II and III 
C) I and III 
D) I, II, and III 
A) I and II 
B) II and III 
C) I and III 
D) I, II, and III

Question 19

If the patient has had a recent barium study, sufficient time should be allowed for elimination of the contrast medium.

Accepted Answer

A) True 
 B)False

Question 20

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once.
-25-50 HU

Accepted Answer

A) Clotted blood 
B) Extravasated contrast 
C) Ascites, bile, urine, or bowel contents 
D) Unclotted blood 
A) Clotted blood 
B) Extravasated contrast 
C) Ascites, bile, urine, or bowel contents 
D) Unclotted blood

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once. -40-75 HU

The adrenal glands are labeled:

Coronary artery studies present a challenge during computed tomographic angiography because of: I. pronounced rapid motion II. small size III. tortuous course

Patients with diverticulitis will usually feel pain in the:

Computed tomographic imaging of the adrenal glands is easy and reliable, except when the patient is extremely _________.

Use the following figure to answer the questions: -The ascending aorta is labeled:

The introduction of___________ enhanced the capability of determining the exact location of needle placement.

Computed tomographic imaging of bony tumors is useful in determining all of the following except:

In computed tomography, preoperative assessments of abdominal aortic aneurysms are performed for all of the following reasons except:

Use the following figure to answer the questions: -The structure labeled as 2 is the:

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once. -5-10 HU

Computed tomographic imaging of skeletal trauma includes anatomical regions of the: I. ankle II. pelvis III. shoulder

Computed tomography is the primary method for pelvic assessment.

Computed tomographic imaging of the bowel for evaluation of bowel obstructions can demonstrate all of the following except:

High-resolution computed tomography is effective in evaluating all of the following except:

Computed tomography is superior to magnetic resonance imaging for most clinical indications of the chest and abdomen.

A triphase study of the liver includes all of the following except:

In patients with known or suspected bronchogenic carcinoma, computed tomography is used to determine the extent of invasion to the: I. chest wall II. diaphragm III. mediastinum

If the patient has had a recent barium study, sufficient time should be allowed for elimination of the contrast medium.

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once. -25-50 HU

Computed Tomography: An Overview

Introduction to Computers

Digital Image Processing

Physical Principles of Computed Tomography

Data Acquisition Concepts

Image Reconstruction

Basic Instrumentation

Image Postprocessing and Visualization Tools

Image Quality

Radiation Dose in Computed Tomography

Single-Slice Spiralhelical Computed Tomography: Physical Principles and Instrumentation

Multislice Spiralhelical Computed Tomography: Physical Principles and Instrumentation

Other Technical Applications of Computed Tomography Imaging: Basic Principles

Three-Dimensional Computed Tomography: Basic Concepts

Virtual Reality Imaging

Positron Emission Tomographycomputed Tomography Scanners

Computed Tomography of the Head, Cerebral Vessels, Neck, and Spine

Pediatric Computed Tomography

Quality Control for Computed Tomography Scanners

Filters

Exam 18: Computed Tomography of the Body

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once. -40-75 HU

The adrenal glands are labeled:

Coronary artery studies present a challenge during computed tomographic angiography because of: I. pronounced rapid motion II. small size III. tortuous course

Patients with diverticulitis will usually feel pain in the:

Computed tomographic imaging of the adrenal glands is easy and reliable, except when the patient is extremely _________.

Use the following figure to answer the questions: -The ascending aorta is labeled:

The introduction of___________ enhanced the capability of determining the exact location of needle placement.

Computed tomographic imaging of bony tumors is useful in determining all of the following except:

In computed tomography, preoperative assessments of abdominal aortic aneurysms are performed for all of the following reasons except:

Use the following figure to answer the questions: -The structure labeled as 2 is the:

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once. -5-10 HU

Computed tomographic imaging of skeletal trauma includes anatomical regions of the: I. ankle II. pelvis III. shoulder

Computed tomography is the primary method for pelvic assessment.

Computed tomographic imaging of the bowel for evaluation of bowel obstructions can demonstrate all of the following except:

High-resolution computed tomography is effective in evaluating all of the following except:

Computed tomography is superior to magnetic resonance imaging for most clinical indications of the chest and abdomen.

A triphase study of the liver includes all of the following except:

In patients with known or suspected bronchogenic carcinoma, computed tomography is used to determine the extent of invasion to the: I. chest wall II. diaphragm III. mediastinum

If the patient has had a recent barium study, sufficient time should be allowed for elimination of the contrast medium.

Match the following Hounsfield units (HU) and fluids. Answer selections will be used only once. -25-50 HU

Computed Tomography: An Overview

Introduction to Computers

Digital Image Processing

Physical Principles of Computed Tomography

Data Acquisition Concepts

Image Reconstruction

Basic Instrumentation

Image Postprocessing and Visualization Tools

Image Quality

Radiation Dose in Computed Tomography

Single-Slice Spiralhelical Computed Tomography: Physical Principles and Instrumentation

Multislice Spiralhelical Computed Tomography: Physical Principles and Instrumentation

Other Technical Applications of Computed Tomography Imaging: Basic Principles

Three-Dimensional Computed Tomography: Basic Concepts

Virtual Reality Imaging

Positron Emission Tomographycomputed Tomography Scanners

Computed Tomography of the Head, Cerebral Vessels, Neck, and Spine

Pediatric Computed Tomography

Quality Control for Computed Tomography Scanners

Filters