File 15

Question 1

Which of the following is a tributary of the following vessel?

A) Thoracic duct
B) Left pulmonary vein
C) Azygos vein
D) Hemiazygos

Answer 1

C) Azygos vein

Question 2

Which of the following breast types produces low attenuation?

A) Mixed
B) Extensive
C) Fatty
D) Fibrous fatty

Answer 2

C) Fatty

Question 3

In the following ultrasound identify the structure?

Answer 3

A) Vermis

Question 4

Which is a branch of the external iliac artery?

A) Superior gluteal
B) Deep circumflex iliac artery

Answer 4

B) Deep circumflex iliac artery

Two branches of the external iliac artery are the inferior epigastric and deep circumflex iliac
arteries.

Question 5

Which muscle attaches to the coronoid process of the mandible?

Answer 5

A) Temporalis

Notes:
- The temporalis muscle attaches to the coronoid process, and the masseter attaches to the
rami. The lateral pterygoid inserts into the neck of the mandible, and the medial pterygoid
inserts into the ramus near the angle of the mandible.

Question 6

The rhomboid fossa of the clavicle is created by the insertion of:

Answer 6

A) Costoclavicular ligament

Question 7

Normal indentation on the esophagus is made by one of the following:

Answer 7

A) Left atrium

Question 8

In barium swallow the cervical narrowing of the esophagus is caused
by?

A) Cricoid cartilage
B) Thyroid

Answer 8

A) Cricoid cartilage

From posterior → Cricopharyngeal muscle

Question 9

Duplex collecting system is most commonly associated with which of the following?

Answer 9

A) Larger than normal kidney

Fanconi anemia

Question 10

What is the blood supply of the following structure?

A) Recurrent artery of Huebner (Medial lenticulostriate)
B) Lateral lenticulostriate
C) ACA
D) (anterior choroidal was not in the choices)

Answer 10

Depend

Question 11

Without changing the FOV, how can you improve MRI resolution?

A) Decrease matrix size
B) Increase number of excitations
C) Increase accusation
D) Increase phase encoding

Answer 11

D) Increase phase encoding

Notes:
- ↑ matrix size
- ↑ phase encoding → ↑ scan time → ↑ matrix size → improve resolution.
- ↑ accusation → ↓ resolution.

Question 12

Sievert is a unit of?

Answer 12

A) Equivalent dose

Question 13

Minimum radiation done to produce skin erythema?
A) 30 rad
B) 60 rad
C) 300 rad

Answer 13

C) 300 rad

300 rad = 3 Gy

Question 14

In conventional angiogram if you increase the distance between the patient and the image detector, what will happen?

Answer 14

A) Image magnification

Question 15

Orthopedic is suspecting a fracture however, it was not obvious in the current image. What method will improve the ability to see the fracture?

Answer 15

A) Kernel algorithm

Notes: Bone Kernel → sharpening the image.

Question 16

On CT image there are multiple rings in the image. What is the cause of this artefact?

Answer 16

A) Detector drift

Question 17

The role of the TGC on US is to?

Answer 17

A) Amplification from deep tissues

Notes:
- A way to overcome ultrasound attenuation is time gain compensation (TGC)

Question 18

Risk of radiation in children in comparison to adults?

Answer 18

A) Higher risk of developing leukemia

Question 19

What is magnetic susceptibility?

Answer 19

A) Ability to magnetize

Question 20

Calculate the effective half-life of I131 which has a physical half-life of 8.04 days and a biological half-life of 25 days:

A) 2
B) 6
C) 12
D) 20

Answer 20

B) 6

Notes:
- Effective half-life = 1/biologic + 1/physical
- Effective half-life is: Smaller than the physical half-life and biological half-life.

Question 21

What happens to the patient dose if you change the from 30 to 15?

Answer 21

A) Quadruple

Question 22

In the following patient undergoing CT guided biopsy which is
considered part of safety?

A) Decrease kVp in order to decrease dose
B) Repeat full chest CT scan every time anything is done
C) General anesthesia to decrease breathing artifact
D) Perform CT scan with contrast

Answer 22

A) Decrease kVp in order to decrease dose

Notes:
- ↓ kVp → ↓ radiation

Question 23

Not same image but similar effect) What changed from image A to B?

A) Increased peripheral sharpness
B) Increased Kvp

Answer 23

A) Increased peripheral sharpness

Question 24

Female patient presented post-trauma and AP view had suspicion of acetabular fracture. What other view would be helpful in confirming the fracture?

A) Judet
B) Mortise
C) AP with 15 internal rotations

Answer 24

A) Judet

Raise the affected side by 45° and center to the affected hip.
Judet -> Hip
- AP with 15 internal rotation → knee.
- Mortise → ankle.

Question 25

Patient presented with incidental adrenal lesion which was inconclusive on non-contrast CT. On post contrast images demonstrated an absolute washout of more than 60 consistent with adrenal adenoma. How many minutes is recommended in this delayed scan?

A) 3
B) 8
C) 10
D) 15

Answer 25

D) 15

Notes:
- non-contrast
- PV: 70s
- delayed phase series: 15-minute

Question 26

Renal stone on X-ray, what is the line to follow?

A) Iliopsoas line
B) Vertebral body
C) Line drawn from kidney to symphysis pubis

Answer 26

B) Vertebral body

The line to follow when you see renal stones on CXR:
Vertebral body, TP, or psoas muscle.

Question 27

Patient is on TB medication, however, she stopped due to her urine color changing to red/orange. What steps can be taken to avoid this:

A) Council the patient orally after prescribing
B) Increase awareness by newspaper

Answer 27

A) Council the patient orally after prescribing

Question 28

Cancer patient on palliative treatment. He is in severe pain and wants to die. What is the appropriate action?

A) Give strong analgesia
B) Call religious services
C) Inform the family

Answer 28

A) Give strong analgesia

Question 29

You are seeing a patient in the ER and then a famous person who you are a fan of walks in. What is appropriate behavior in this situation

A) Treat your current patient and have him wait his turn
B) Go and treat the famous person and let your current patient wait

Answer 29

A) Treat your current patient and have him wait his turn

Question 30

Removing things that can harm the patient is called?

A) Quality management
B) Safety management

Answer 30

B) Safety management

Question 31

How to increase effectiveness of teams?

A) Progress notes
B) Grand rounds

Answer 31

B) Grand rounds

Question 32

Categories of health

A) Risk, Safe
B) High, Low
C) Internal, External

Answer 32

C) Internal, External