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Acclimatization and Diving Physiology Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is acclimatization?

a)

Body's response to high humidity

b)

Adaptation to heat

c)

Adaptation to cold

d)

Physiological adaptation to high altitude

2.

Which of the following is a feature of acclimatization?

a)

Decreased RBC count

b)

Increased plasma volume

c)

Increased 2,3-BPG

d)

Increased oxygen tension

3.

What is the main cause of Acute Mountain Sickness?

a)

Carbon monoxide poisoning

b)

Low atmospheric pressure

c)

High CO2 levels

d)

Hyperoxia

4.

Which of the following is NOT a symptom of Acute Mountain Sickness?

a)

Headache

b)

Nausea

c)

Hypotension

d)

Euphoria

5.

Which hormone increases during high altitude acclimatization?

a)

Aldosterone

b)

Erythropoietin

c)

Insulin

d)

Thyroxine

6.

What causes Caisson's disease?

a)

Rapid exposure to high temperature

b)

Slow ascent from depth

c)

Slow decompression

d)

Rapid ascent from deep sea

7.

What is the key gas responsible for Caisson’s disease?

a)

Oxygen

b)

Nitrogen

c)

Carbon monoxide

d)

Carbon dioxide

8.

What is the best way to prevent Caisson’s disease?

a)

Slow descent

b)

Hyperbaric oxygen

c)

Rapid ascent

d)

Slow ascent with decompression

9.

What does SCUBA stand for?

a)

Submarine Capacity Underwater Breathing Apparatus

b)

Self-Contained Underwater Breathing Apparatus

c)

Super Cold Underwater Breathing Aid

d)

Standard Controlled Underwater Breathing Apparatus

10.

Which of the following is NOT a part of SCUBA gear?

a)

Mouthpiece

b)

Regulator

c)

Diving bell

d)

Air tank

11.

What is apnoea?

a)

Shallow breathing

b)

Irregular breathing

c)

Absence of breathing

d)

Rapid breathing

12.

Which term refers to increased depth of breathing?

a)

Apnoea

b)

Tachypnoea

c)

Hyperpnoea

d)

Dyspnoea

13.

Which term is used for increased rate of breathing?

a)

Tachypnoea

b)

Apnoea

c)

Dyspnoea

d)

Hypercapnia

14.

Dyspnoea refers to?

a)

Slow breathing

b)

Laborious or difficult breathing

c)

Irregular breathing

d)

Intermittent breathing

15.

Which of the following is a long-term adaptation in acclimatization?

a)

Increased bicarbonate excretion

b)

Reduced ventilation rate

c)

Decreased hematocrit

d)

Decreased 2,3-BPG

16.

What is the primary danger in SCUBA diving?

a)

Oxygen toxicity

b)

Nitrogen narcosis

c)

Hyperthermia

d)

Bradycardia

17.

Which condition is characterized by gas embolism due to sudden decompression?

a)

Acute mountain sickness

b)

Apnoea

c)

Caisson’s disease

d)

Tachypnoea

18.

Which of the following is TRUE about acclimatization?

a)

It occurs instantly

b)

Involves suppression of erythropoiesis

c)

Involves decreased pulmonary ventilation

d)

Involves increased ventilation and RBC production

19.

Why is oxygen availability reduced at high altitudes?

a)

Oxygen concentration is lower

b)

Air becomes toxic

c)

Partial pressure of oxygen is low

d)

Humidity is high

20.

What happens to arterial oxygen content at high altitude without acclimatization?

a)

It increases significantly

b)

It stays the same

c)

It decreases

d)

It increases temporarily