Exam 1- Clinical Monitoring and Capnography Pre-test

Question 1

Continuous monitoring is required for which parameter?

A. Blood pressure
B. Pupillary response
C. Central venous pressure
D.Neuromuscular response

Answer 1

A. Blood Pressure

Blood pressure is part of cardiovascular status that requires continuous monitoring.

Question 2

In a healthy adult, what is the approximate O2 saturation for a PaO2 of 40 mm Hg?

Answer 2

• 75%

Question 3

During an Allen’s test, what is the purpose of having the patient make a tight fist?

Answer 3

• To exsanguinate the palm.

Question 4

The total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of each gas is who’s law?

Answer 4

• Dalton’s

Question 5

Which type of SSEP is MOST COMMONLY monitored during surgical procedures?

Answer 5

• Short-latency

Question 6

Which adult hemoglobin is LEAST LIKELY to be measured at the 940 nm wavelength?

Answer 6

• Carboxyhemoglobin

Question 7

What is the amount of tidal volume exhaled during phase I?

Answer 7

• 1/3

Question 8

Physiologic effects of hypocarbia are:

A. blunting of respiratory drive and decreased cerebral blood flow.

B. blunting of respiratory drive and respiratory acidosis.

C. respiratory alkalosis and potassium shift to intravascular space.

D. respiratory alkalosis and increased ICP.

Answer 8

A. blunting of respiratory drive and decreased cerebral blood flow.

Question 9

End-tidal CO2 is typically measured at the end point of which phase?

Answer 9

• Phase III

Question 10

The capnogram has a prolonged upstroke with an alpha angle >110 degrees, what is the problem causing the change?

Answer 10

• The ETT is partially obstructed.

Question 11

What are the LIKELY causes of decreased EtCO2?

A. Hypothermia and poor gas sampling.
B. Hyperventilation and increased metabolic rate.
C. Hypothermia and rebreathing.
D. Hyperthermia and cardiac arrest.

Answer 11

A. Hypothermia and poor gas sampling.