CMV exam UPDATED ACTUAL Exam Questions and CORRECT Answers

CMV exam UPDATED ACTUAL Exam
Questions and CORRECT Answers
In which of the following types of ventilation is alveolar expansion during inspiration due to a
decrease in pleural pressure?
1. Positive-pressure ventilation (PPV)
2. Negative-pressure ventilation (NPV)
3. Spontaneous ventilation
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only

d. 1, 2, and 3 - CORRECT ANSWER - ANS: C


Which of the following statements are true about negative-pressure ventilation (NPV)?
1. NPV is similar to spontaneous breathing.
2. Airway (mouth) pressure during NPV is zero.
3. Expiration during NPV is by passive recoil.
4. NPV decreases pressure at the body surface.
a. 2 and 4 only
b. 1, 2, 3, and 4
c. 3 and 4 only

d. 1, 3, and 4 only - CORRECT ANSWER - ANS: B


In which of the following types of ventilation is alveolar expansion during inspiration due to an
increase in alveolar pressure?
1. Negative-pressure ventilation
2. Positive-pressure ventilation
3. Spontaneous ventilation
a. 1 and 2 only

,b. 2 and 3 only
c. 2 only

d. 1, 2, and 3 - CORRECT ANSWER - ANS: C


Which of the following occur with positive-pressure ventilation (PPV)?
1. During inspiration, pleural pressure decreases.
2. During inspiration, pressure in the alveoli increases.
3. The pressure gradients of normal breathing are reversed.
4. During inspiration, alveolar pressure exceeds pleural pressure.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only

d. 2, 3, and 4 only - CORRECT ANSWER - ANS: D


In which of the following types of ventilation can pleural pressure become positive during
inspiration?
1. Positive-pressure ventilation
2. Spontaneous ventilation
3. Negative-pressure ventilation
a. 2 and 3 only
b. 1 and 2 only
c. 1, 2, and 3

d. 1 only - CORRECT ANSWER - ANS: D


Which of the following conditions is associated with a lack of response to increased FiO2 in
patients receiving positive-pressure ventilation?
a. Dead space
b. Shunt
c. Hypoxemia

,d. Hypoventilation - CORRECT ANSWER - ANS: B


Which of the following strategies are useful in the management of shunt?
1. Positive end expiratory pressure
2. Permissive hypercapnia
3. Control of membrane permeability
a. 2 and 3 only
b. 1 and 3 only
c. 1, 2, and 3

d. 1 only - CORRECT ANSWER - ANS: B


Administration of positive end expiratory pressure (PEEP) or continuous positive airway
pressure (CPAP) is associated with which of the following benefits?
1. Helps maintain open alveoli.
2. Helps with alveoli stability.
3. Helps maintain fluid-filled alveoli open.
4. Ensures surfactant-depleted alveoli remain closed.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only

d. 2, 3, and 4 only - CORRECT ANSWER - ANS: B


Which of the following is considered a normal spontaneous tidal volume?
a. 3 to 5 ml/kg
b. 5 to 7 ml/kg
c. 7 to 9 ml/kg

d. 10 to 12 ml/kg - CORRECT ANSWER - ANS: B

, Which of the following is the recommended tidal volume for mechanical ventilation in a patient
with ARDS who is in acute respiratory failure?
a. 4 to 8 ml/kg
b. 3 to 5 ml/kg
c. 6 to 10 ml/kg

d. 10 to 12 ml/kg - CORRECT ANSWER - ANS: A


Which of the following conditions may require higher initial respiratory rates?
1. Metabolic alkalosis
2. ARDS
3. Increased intracranial pressure
4. Metabolic acidosis
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only

d. 2, 3, and 4 only - CORRECT ANSWER - ANS: D


Which of the following is the explanation for the increased ratio when excessive positive end
expiratory pressure (PEEP) is used?
a. Diversion of blood from ventilated alveoli to hypoventilated alveoli
b. Diversion of blood from hypoventilated alveoli to ventilated alveoli
c. Shunt-like effect

d. Hyperexpansion - CORRECT ANSWER - ANS: A


Which of the following is the consequence of decreased resistance or compliance?
a. It takes more time to fill the alveoli.
b. It takes more time to empty the alveoli.
c. It takes less time to fill and more time to empty the alveoli.

d. It takes less time to fill and empty the alveoli. - CORRECT ANSWER - ANS: D