Question 1

Which of the following structures is not part of the hindbrain?

Accepted Answer

A) Cerebellum 
B) Pons 
C) Hypothalamus 
D) Medulla 
A) Cerebellum 
B) Pons 
C) Hypothalamus 
D) Medulla C

Question 2

Which generation of CT scanner first used a fixed ring of detectors?

Accepted Answer

A) Second 
B) Third 
C) Fourth 
D) None of the above 
A) Second 
B) Third 
C) Fourth 
D) None of the above C

Question 3

Which structure of the neuron carries electric impulses away from the cell body?

Accepted Answer

A) Axon 
B) Dendrite 
C) Nerve cell 
D) Multipolar neuron 
A) Axon 
B) Dendrite 
C) Nerve cell 
D) Multipolar neuron A

Question 4

Match each tissue with the correct CT number range.(Use each choice only once.)
-Air

Accepted Answer

A) +50 
B) +40 
C) +20 
D) -100 
E) -200
F)-1000
G)+1000 or higher 
A) +50 
B) +40 
C) +20 
D) -100 
E) -200
F)-1000
G)+1000 or higher

Question 5

Major functions of the cerebellum include:

Accepted Answer

A) regulation of body temperature. 
B) visual perception. 
C) coordination, posture, and balance. 
D) regulation of blood pressure. 
A) regulation of body temperature. 
B) visual perception. 
C) coordination, posture, and balance. 
D) regulation of blood pressure.

Question 6

What is the name for the enlarged regions of the subarachnoid space?

Accepted Answer

A) Cisterns 
B) Subdural space 
C) Centrum semiovale 
D) Optic chiasma 
A) Cisterns 
B) Subdural space 
C) Centrum semiovale 
D) Optic chiasma

Question 7

The three-dimensional volume of tissue in a slice is called a voxel.

Accepted Answer

A) True 
 B)False

Question 8

Hydrocephalus is caused by:

Accepted Answer

A) blockage of the cranial blood vessel. 
B) blockage of the drainage of CSF. 
C) trauma to the head. 
D) congenital abnormality. 
A) blockage of the cranial blood vessel. 
B) blockage of the drainage of CSF. 
C) trauma to the head. 
D) congenital abnormality.

Question 9

What is the major advantage of volume CT over standard CT imaging?

Accepted Answer

A) Generates less tube heat units. 
B) Allows cardiovascular scanning because of shorter scanning times. 
C) Allows a volume of tissue to be examined rather than individual slices only. 
D) Requires less dose be given to the patient. 
A) Generates less tube heat units. 
B) Allows cardiovascular scanning because of shorter scanning times. 
C) Allows a volume of tissue to be examined rather than individual slices only. 
D) Requires less dose be given to the patient.

Question 10

Select the correct lettered portion of the brain.(Use each choice only once.)

-Cerebellum

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E
F)F 
A) A 
B) B 
C) C 
D) D 
E) E
F)F

Question 11

The ratio of the relationship between table speed and slice thickness defines:

Accepted Answer

A) differential absorption. 
B) pitch. 
C) voxel. 
D) display matrix. 
A) differential absorption. 
B) pitch. 
C) voxel. 
D) display matrix.

Question 12

Which layer of the meninges is located closest to the brain?

Accepted Answer

A) Pia mater 
B) Dura mater 
C) Epidural mater 
D) Arachnoid mater 
A) Pia mater 
B) Dura mater 
C) Epidural mater 
D) Arachnoid mater

Question 13

CT fluoroscopy can obtain and display partially reconstructed images at a rate of _____ images per second.

Accepted Answer

A) 1 to 3 
B) 6 to 8 
C) 8 to 12 
D) 20 to 25 
A) 1 to 3 
B) 6 to 8 
C) 8 to 12 
D) 20 to 25

Question 14

Select the correct lettered portion of the brain.(Use each choice only once.)

-Medulla

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E
F)F 
A) A 
B) B 
C) C 
D) D 
E) E
F)F

Question 15

Hemianopia is a condition defined as:

Accepted Answer

A) blindness occurring in half of the visual field in each eye. 
B) an iron deficiency producing intracranial bleeding. 
C) a congenital tumor in the thalamus. 
D) an abnormal collection of CSF in the cranial ventricles. 
A) blindness occurring in half of the visual field in each eye. 
B) an iron deficiency producing intracranial bleeding. 
C) a congenital tumor in the thalamus. 
D) an abnormal collection of CSF in the cranial ventricles.

Question 16

Match each tissue with the correct CT number range.(Use each choice only once.)
-Gray brain matter

Accepted Answer

A) +50 
B) +40 
C) +20 
D) -100 
E) -200
F)-1000
G)+1000 or higher 
A) +50 
B) +40 
C) +20 
D) -100 
E) -200
F)-1000
G)+1000 or higher

Question 17

The two divisions of the central nervous system include the brain and:

Accepted Answer

A) meninges. 
B) spinal cord. 
C) spinal nerves. 
D) neurons. 
A) meninges. 
B) spinal cord. 
C) spinal nerves. 
D) neurons.

Question 18

Most CT systems archive image data on magnetic tape systems.

Accepted Answer

A) True 
 B)False

Question 19

Window width controls the displayed image contrast.

Accepted Answer

A) True 
 B)False

Question 20

What specifically do the CT detectors measure?

Accepted Answer

A) Attenuation 
B) Patient dose 
C) Primary radiation 
D) Scatter radiation 
A) Attenuation 
B) Patient dose 
C) Primary radiation 
D) Scatter radiation

Which of the following structures is not part of the hindbrain?

Which generation of CT scanner first used a fixed ring of detectors?

Which structure of the neuron carries electric impulses away from the cell body?

Match each tissue with the correct CT number range.(Use each choice only once.) -Air

Major functions of the cerebellum include:

What is the name for the enlarged regions of the subarachnoid space?

The three-dimensional volume of tissue in a slice is called a voxel.

Hydrocephalus is caused by:

What is the major advantage of volume CT over standard CT imaging?

Select the correct lettered portion of the brain.(Use each choice only once.) -Cerebellum

The ratio of the relationship between table speed and slice thickness defines:

Which layer of the meninges is located closest to the brain?

CT fluoroscopy can obtain and display partially reconstructed images at a rate of _____ images per second.

Select the correct lettered portion of the brain.(Use each choice only once.) -Medulla

Hemianopia is a condition defined as:

Match each tissue with the correct CT number range.(Use each choice only once.) -Gray brain matter

The two divisions of the central nervous system include the brain and:

Most CT systems archive image data on magnetic tape systems.

Window width controls the displayed image contrast.

What specifically do the CT detectors measure?

Terminology, Positioning, and Imaging Principles

Chest

Abdomen

Upper Limb

Humerus and Shoulder Girdle

Lower Limb

Femur and Pelvic Girdle

Cervical and Thoracic Spine

Lumbar Spine, Sacrum, and Coccyx

Bony Thoraxsternum and Ribs

Cranium, Facial Bones, and Paranasal Sinuses

Biliary Tract and Upper Gastrointestinal System

Lower Gi System

Urinary System and Venipuncture

Trauma, Mobile, and Surgical Radiography

Pediatric Radiography

Angiography and Interventional Procedures

Special Radiographic Procedures

Diagnostic and Therapeutic Modalities

Filters

Exam 18: Computed Tomography

Which of the following structures is not part of the hindbrain?

Which generation of CT scanner first used a fixed ring of detectors?

Which structure of the neuron carries electric impulses away from the cell body?

Match each tissue with the correct CT number range.(Use each choice only once.) -Air

Major functions of the cerebellum include:

What is the name for the enlarged regions of the subarachnoid space?

The three-dimensional volume of tissue in a slice is called a voxel.

Hydrocephalus is caused by:

What is the major advantage of volume CT over standard CT imaging?

Select the correct lettered portion of the brain.(Use each choice only once.) -Cerebellum

The ratio of the relationship between table speed and slice thickness defines:

Which layer of the meninges is located closest to the brain?

CT fluoroscopy can obtain and display partially reconstructed images at a rate of _____ images per second.

Select the correct lettered portion of the brain.(Use each choice only once.) -Medulla

Hemianopia is a condition defined as:

Match each tissue with the correct CT number range.(Use each choice only once.) -Gray brain matter

The two divisions of the central nervous system include the brain and:

Most CT systems archive image data on magnetic tape systems.

Window width controls the displayed image contrast.

What specifically do the CT detectors measure?

Terminology, Positioning, and Imaging Principles

Chest

Abdomen

Upper Limb

Humerus and Shoulder Girdle

Lower Limb

Femur and Pelvic Girdle

Cervical and Thoracic Spine

Lumbar Spine, Sacrum, and Coccyx

Bony Thoraxsternum and Ribs

Cranium, Facial Bones, and Paranasal Sinuses

Biliary Tract and Upper Gastrointestinal System

Lower Gi System

Urinary System and Venipuncture

Trauma, Mobile, and Surgical Radiography

Pediatric Radiography

Angiography and Interventional Procedures

Special Radiographic Procedures

Diagnostic and Therapeutic Modalities

Filters