Chapter 8 Plethysmography Upper and Lower Extremities

Question 1

_____ mainly used for evaluation of digits and penile vessels

Answer 1

PPG

Question 2

The measurement of volume change describes

Answer 2

Volume air plethysmography

Question 3

Plethysmography is another name for

Answer 3

Air

Question 4

A ______ transducer converts the pressure changes into analog waveforms for display on strip chart recorder

Answer 4

Pressure

Question 5

Fixed amount of air pressure in cuff describes

A) diastole
B) systole

Answer 5

A) diastole

Question 6

Air pressure in cuff increases as arteries expand is

A) diastole
B) systole

Answer 6

B) systole

Question 7

What detects cutaneous blood flow

Answer 7

PPG

Question 8

________ consists of light emitting diode and photo sensor

Answer 8

Photocell

Question 9

The cutaneous blood flow determines the _____

Answer 9

Reflection

Question 10

_______ attenuates light in proportion to its content in tissue

Answer 10

Blood

Question 11

Increased blood flow results in _______ reflection

Answer 11

Decreased

Question 12

Why are artifacts not uncommon during volume plethysmography

Answer 12

Due to improper cuff application

Question 13

What does PPG stand for

Answer 13

Photo plethysmography

Question 14

A fairly rapid upslope, sharp systolic peak with reflected waves describes

A) normal
B) mildly abnormal
C) moderately abnormal
D) severely abnormal

Answer 14

A) normal

Question 15

Sharp peak, absent reflected wave, downslope is bowed away from baseline describes

A) normal
B) mildly abnormal
C) moderately abnormal
D) severely abnormal

Answer 15

B) midly abnormal

Question 16

A flattened systolic peak, upslope and downslope more delayed, reflected wave ( notch ) absent describes

A) normal
B) midly abnormal
C) moderately abnormal
D) severely abnormal

Answer 16

C) moderately abnormal

Question 17

Low amplitude that may be absent describes

A) normal
B) midly abnormal
C) moderately abnormal
D) severely abnormal

Answer 17

D) severely abnormal

Question 18

Abnormal waveforms always reflect hemodynamically significant disease _______ to level of tracing

Answer 18

Proximal

Question 19

Reduced amplitude with no changes in the contour is likely to reflect ________ disease

Answer 19

Insignificant

Question 20

Any change in volume of the enclosed part with displace an ______ amount of water

Answer 20

Equal

Question 21

Pulse plethysmography refers to ______ changes in volume related to the pulse by pulse activity of the left ventricle

Answer 21

Transient