Air Pollution and Respiratory Health Practice Questions

Question 1

Which of the following factors increases the resistance of the airways?

Accepted Answer

Inhaling cigarette smoke

Answer

Increasing lung volume

Answer

Increased sympathetic stimulation

Answer

Going to high altitude

Question 2

Which of the following is not an obstructive lung disease?

Accepted Answer

Interstitial fibrosis

Answer

Emphysema

Answer

Asthma

Answer

Bronchitis

Question 3

Which of the following is NOT a mechanism of action of theophylline in bronchial asthma?

Accepted Answer

Beta-2 receptor stimulation

Answer

Adenosine receptor antagonism

Answer

Increased histone deacetylation

Answer

Phosphodiesterase inhibition

Question 4

Which agency monitors air quality in India?

Accepted Answer

Central pollution control board

Answer

None of the above

Answer

Central air quality board

Answer

Central public works dept

Question 5

Which of the following statements about Anganwadi workers is incorrect?

Accepted Answer

Covers a population of 2000

Answer

Training for 40 days

Answer

Under ICDS scheme

Answer

Mostly female

Question 6

A 50-year-old male presents with cyanosis and is diagnosed with chronic obstructive pulmonary disease (COPD). What is the primary mechanism causing his cyanosis?

Accepted Answer

Chronic hypoxemia

Answer

Low cardiac output

Answer

Carbon monoxide poisoning

Answer

Right-to-left shunt

Question 7

All of the following are direct causes of acute lung injury, except which of the following?

Accepted Answer

Cardiopulmonary bypass with heart-lung machine

Answer

Aspiration

Answer

Lung contusion

Answer

Toxic gas inhalation

Question 8

Which of the following is the most important initial step in managing a patient with extensive burns?

Accepted Answer

Secure the airway and assess for inhalation injury

Answer

Begin immediate fluid resuscitation with crystalloids

Answer

Administer prophylactic antibiotics

Answer

Perform immediate escharotomy for circumferential burns

Question 9

A 20 year old boy is brought to the emergency following a RTA (Road Traffic Accident) with respiratory distress and hypotension. He has subcutaneous emphysema and no air entry on the right side. What is the next best step in the management?

Accepted Answer

Needle decompression in the 5th intercostal space in the mid-axillary line

Answer

Start IV fluids after insertion of a wide-bore IV line

Answer

Shift the patient to the ICU and perform intubation

Answer

Initiate positive pressure ventilation

Question 10

During cesarean section under general endotracheal anaesthesia, venous air embolism

Accepted Answer

Is associated with decreased end-tidal CO2

Answer

Induces severe hypertension

Answer

Should be treated with nitrous oxide

Answer

Is associated with high end-tidal CO2

Air Pollution and Respiratory Health — MCQs

Air Pollution and Respiratory Health — MCQs

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