Oral exam

Question 1

US propagates in the soft tissue at what speed

Answer 1

1540 m/s

Question 2

Convex probe=

Answer 2

3.5-5 MHz

Question 3

Example for anechoic structures

Answer 3

Blood
CSF
Urine
Cyst

Question 4

How will you describe Hemangioma on US

Answer 4

Hyperechoic

Question 5

Simples US mode

When is it used

Answer 5

A

Opthalmology

Question 6

M mode is for

Answer 6

Motion

Position change over time

Question 7

Different Doppler modes

Answer 7

Color
Contineous
Pulse
Power

Question 8

Microrbubbles are eliminated through the

Answer 8

Lungs

Question 9

on sonoelastography, stiffer structures are what color?

Answer 9

Blue

Question 10

Types of elastography

Answer 10

Static

Dynamic

Question 11

US guided procedures

Answer 11

FNA of the thyroid……

Question 12

Gallstone on US

Answer 12

Anechoic bcs it it a cystic structure

Question 13

Define an isotope?

Answer 13

Same atomin number

Different mass number

Question 14

NM can be devided into

Answer 14

Conventional NM= SPECT, Tc99m

Diagnosis NM= PET, F18-FDG

Question 15

Tc99 is absorbed where

Answer 15

in the bone in proportion to osteoblast activity

Question 16

Types of CT image

Answer 16

Sequential

Helical

Question 17

HU of different tissues

Answer 17

Air: -1000
Lung: -600
Fat: -60
Water: 0
Soft tissue: +60
Bone: +1000

Question 18

Fresh hematoma on CT is always

Answer 18

Hyperdense

Question 19

What is bad about Iodine contrast material?

Answer 19

Can lead to acute renal failure

Question 20

What is not a contraindication regarding iodine material

Answer 20

Allergy for the iodine antiseptic agent

Question 21

What is the action of Gadolinium?

Answer 21

Lower the T1 relaxation time

Question 22

Bad effect of Gadolinium

Answer 22

Nephrogenic systemic fibrosis may occure even after couple of months

Question 23

Non malignant tumor of the liver

Answer 23

Cavernous Hemangioma

Question 24

Cavernous Hemangioma=

Answer 24

Large collections of vascular channels containing slow moving blood

Question 25

Cavernous Hemangioma on US

Answer 25

Hyperechoic with post. acoustic enhancement

Question 26

Mediastinum contains

Answer 26

Heart Main vessels Trachea Bronchi

Question 27

Mediastinum is devided into

Answer 27

Ant Mid Post

Question 28

3 main mediastinal pathologies

Answer 28

Pneumomediastinum Mediastinitis Mediastinal masses

Question 29

When describing a fructure

Answer 29

Number of fructure segments Direction of the fructure line Relationship btw fragments Closed/open

Question 30

Fructure in children are classified by

Answer 30

Salter Harris classification

Question 31

DD of acute abdomen

Answer 31

``` Abdominal aorta rupture Acute pancreatitis Bowel ischemia Perforated peptic ulcer Perforated diverticulitis ```

Question 32

Imaging methods of acute abdomen

Answer 32

US CT Abdominal radiograph Fluoroscopy MRI

Question 33

Gold standard for kidney stones

Answer 33

Low dose CT

Question 34

Most common primary bone neoplasm in adults

Answer 34

Multiple Myeloma

Question 35

Types of bone metastasis

Answer 35

Osteolytic Sclerotic Mixed

Question 36

Osteomyelitis is diagnosed with what modality

Answer 36

MRI

Question 37

IBD (2)

Answer 37

Crohn's | Ulcerative colitis

Question 38

Radiology method in case of prostate

Answer 38

T2W MRI | Hypointense lesion