Final Study (Multiple Choice)

Question 1

Which of the following occurs during expiration?

a) reduction in venous return to the thorax
b) lungs inflate
c) increase in intraabdominal pressure
d) diaphragm moves downwards

Answer 1

a

Question 2

During duplex evaluation of the carotid artery system, velocities in the external carotid artery reached 250 cm/s and turbulence was noted just after the area of increased velocity. What do these findings suggest?

a) >50% stenosis
b) normal findings for the ECA
c) 50 to 70% stenosis
d) >80% stenosis

Answer 2

a

Question 3

Which type of reflection results when sound encounters structures that are smaller than the transmitted beam’s wavelength?

a) specular
b) nonspecular
c) refractory
d) Rayleigh scattering

Answer 3

d

Question 4

In which way do valves in perforating veins ensure that blood moves, under normal conditions?

a) dissipate around the perforator
b) from the superficial to the deep system
c) from the deep to the superficial system
d) stay in the superficial

Answer 4

b

Question 5

Which of the following is a normal response to venous flow with a valsalva maneuver?

a) augmented flow
b) phasicity of flow
c) continuous flow
d) cessation of flow

Answer 5

d

Question 6

What term describes the resolution parallel to the beam?

Answer 6

Axial

Question 7

The first branch of the external carotid artery is the ________ artery.

a) lingual
b) facial
c) superior thyroid
d) superficial temporal

Answer 7

c) superior thyroid

Question 8

What are the major forms of arteritis found in the carotid system?

a) Takayasu’s disease and temporal arteritis
b) giant cell arteritis and FMD

Answer 8

a

Question 9

Which of the following vessels demonstrates a high resistance waveform?

a) ICA
b) CCA
c) subclavian artery
d) vertebral artery

Answer 9

c

Question 10

In what pathology may a sonographer see antegrade flow in the right vertebral artery and retrograde flow in the left vertebral artery during a carotid ultrasound exam?

a) subclavian steal
b) CCA dissection
c) complete ECA occlusion
d) partial vertebral occlusion

Answer 10

a

Question 11

Edema is
a) a normal process
b) a consistent sign of increased venous pressure
c) a common finding during pregnancy
d) a secondary sign to acute thrombosis

Answer 11

b

Question 12

What causes a to-and-fro flow?

Answer 12

Pseudo-aneurysm