RDT 115 - MIDTERMS

Question 1

How does the collimation impact the z axis resolution in ct

Accepted Answer

2

Question 2

Which artifacts prevents in alternating brighter and dark dense?

Accepted Answer

2

Question 3

What is the term of the overlap image data in helical scanning?

Accepted Answer

0

Question 4

Which artifacts results from insufficient x ray photon energy in highly attenuating tissues?

Accepted Answer

0

Question 5

What technique is used to minimize artifact cause by respiratory motion?

Accepted Answer

0

Question 6

Which reconstruction of algorithms is correct for photon attenuation in ct imaging?

Accepted Answer

1

Question 7

Which ct protocol is most appropriate for detecting pulmonary embolism?

Accepted Answer

1

Question 8

Which factor most influences linearity of ct numbers?

Accepted Answer

0

Question 9

Which reconstruction technique is used to create volume-rendered 3D image?

Accepted Answer

2

Question 10

Which scan mode allows for continuous data acquisition?

Accepted Answer

1

Question 11

What is the term thin layer of lead inside the ct scanner to shield x rays?

Accepted Answer

2

Question 12

How does a scout image assist in ct imaging?

Accepted Answer

1

Question 13

What is the role of kvp in ct imaging?

Accepted Answer

0

Question 14

Which CT artifact occurs due to under-sampling during rapid rotation?

Accepted Answer

0

Question 15

Which plane is reconstructed in coronal reformats?

Accepted Answer

1

Question 16

What is the main function of gray edge filtering in dual energy ct?

Accepted Answer

2

Question 17

Which parameters is commonly adjusted to reduce noise while rotating image quality?

Accepted Answer

2

Question 18

Which technique minimizes metal artifacts in ct?

Accepted Answer

1

Question 19

What is the effect of using a wide window width in imaging soft tissues?

Accepted Answer

0

Question 20

What is the main goal of the artifact direction algorithm in ct?

Accepted Answer

1