Ventilation Strategies During Anesthesia Practice Questions

Question 1

What happens to gas exchange when the Va/Q ratio approaches infinity?

Accepted Answer

No exchange of O2 and CO2 occurs.

Answer

Partial pressure of O2 becomes negligible.

Answer

Partial pressure of CO2 becomes negligible.

Answer

Partial pressures of both CO2 and O2 remain normal.

Question 2

Which of the following statements given below is incorrect regarding CPR?

Accepted Answer

Ventilation 22-25/ min

Answer

Chest compression rate 100-120/min

Answer

Depth of chest compression up to 5-6 cm

Answer

Allow adequate chest recoil

Question 3

Best guide for the management of Resuscitation is:

Accepted Answer

Urine output

Answer

Saturation of Oxygen

Answer

CVP

Answer

Blood pressure

Question 4

Procedure of choice for control of massive hemoptysis?

Accepted Answer

Bronchial artery embolization

Answer

Rigid bronchoscopy and Photocoagulation

Answer

Balloon catheter tamponade

Answer

Flexible bronchoscopy and cautery

Question 5

Patient of pneumonia on ventilator with wt. 50 kg. RR 14/min, bicarbonate - 18, pH 7.3, pCO2 48 mmHg, pO2 110 mmHg, PEEP 12 cm H2O, tidal volume 420 mL, SpO2 - 100% with FiO2 90%. What is next step in management?

Accepted Answer

Decrease fio2

Answer

Increase PEEP

Answer

Increase tidal volume

Answer

Decrease RR

Question 6

Which of the following best describes hypoxic pulmonary vasoconstriction?

Accepted Answer

Reversible pulmonary vasoconstriction due to hypoxia

Answer

Irreversible pulmonary vasoconstriction due to hypoxia

Answer

Redirects blood to well-ventilated areas

Answer

Occurs immediately in response to hypoxia

Question 7

You are in the operating room and notice the tracing in yellow colour on this device. What does it indicate?

Accepted Answer

Capnography

Answer

O2 pressure in exhaled air

Answer

O2 pressure in inhaled air

Answer

Airway pressure

Question 8

A 30-year-old male was intubated for surgery. What is the best method to confirm the correct position of the endotracheal tube?

Accepted Answer

Capnography

Answer

X-ray chest

Answer

Auscultation

Answer

Chest expansion

Question 9

Which of the following parameters is most critical for maintaining optimal oxygenation?

Accepted Answer

PEEP

Answer

FiO2

Answer

Respiratory rate

Answer

Tidal volume

Question 10

The position of the patient as shown below is favored for which of the following conditions?

Accepted Answer

Raised ICP

Answer

CHF

Answer

Air embolism

Answer

Neurosurgery

Ventilation Strategies During Anesthesia — MCQs

Ventilation Strategies During Anesthesia — MCQs

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