Exam II Practice Questions

Question 1

In which mapleson circuit is the fresh gas inlet most distant from the patient connection?

Answer 1

Mapleson A

Question 2

Which position is contraindicated in a patient with increased ICP?

Answer 2

Trendelenburg

Question 3

In lithotomy position, which nerve is most commonly injured due to compression from leg supports?

Answer 3

Common Peroneal

Question 4

Which component would not be present in a manual resuscitator?

Answer 4

Y-piece (think Ambu-bag)

Question 5

A patient is supine with the neck extended and the head turned to the right, away from the surgical site. Which positioning complication may occur?

A. Stretching of the brachial plexus
B. Stretching of the femoral nerve
C. Compression of the inferior vena cava
D. Compression of the radial artery

Answer 5

A. Brachial plexus

Question 6

What characteristic is not present in breathing tube?

A. Consists of plastic that is large bore & corrugated
B. Internal volume 400 to 500 mL/meter
C. A low resistance system
D. Multidirectional valves at the Y-piece

Answer 6

D. Multidirectional valves at the Y-piece

Question 7

In prone position, which pathophysiologic change occurs?

A. Decreased venous return
B. Increased cardiac output
C. Decreased gastric pressure
D. Decreased facial edema

Answer 7

A. Decreased venous return

Question 8

Which potential injuries are associated with the sitting position? (pick 2)

A. Cerebrovascular injury
B. Lateral femoral cutaneous injury
C. Sciatic nerve stretch injury
D. Inferior vena cava compression

Answer 8

A & C

Question 9

The preferred location for the fresh gas inlet is…

Answer 9

Between the absorbent and the inspiratory valve

Question 10

The adjustable pressure-limiting valve serves to:

A. limit PEEP to 20 cmH₂O
B. Control inspiratory pressure for the ventilator
C. Release gas to be scavenged
D. Decrease turbulent flow from the vaporizer

Answer 10

C. Release gas to be scavenged

Question 11

Which is most likely to occur with the degradation of sevoflurane by absorbent?

A. More degradation occurs at lower temperatures
B. More degradation occurs at lower concentrations
C. Desiccated absorbent decreases degradation
D. It is degraded more as length of anesthetic increases

Answer 11

D. It is degraded more as length of anesthetic increases