20 Responses of the body - High Altitude

What is the minimum altitude required to cause altitude effects on the body?

• 1200 m

• 4000 m

• 3400 m

• 2400 m

How does the partial pressure of oxygen at high altitude compare with that at sea level?

• It is higher

• It is the same

• It is lower

• It fluctuates randomly

Which of the following is an initial response of the body to high altitude?

• Hyperoxia

• Hypoxia

• Hypothermia

• Hyperglycaemia

What happens to breathing rate when a person is exposed to high altitude?

• It decreases

• It remains unchanged

• It increases

• It stops

What is the term for an abnormally high breathing rate?

• Bradycardia

• Hyperventilation

• Hypoventilation

• Apnoea

Which of the following is a possible cardiovascular response to high altitude?

• Decreased heart rate

• Bradycardia

• Arrhythmia

• Tachycardia

• It increases

• It remains the same

• It is reduced

• It fluctuates

Which of the following is a possible symptom experienced at high altitude?

• Altitude sickness

• Heat stroke

• Dehydration

• Frostbite

What is the main cause of hypoxia at high altitude?

• Increased oxygen concentration

• Decreased partial pressure of oxygen

• Increased carbon dioxide levels

• Decreased nitrogen levels

Which of the following is NOT an initial response of the body to high altitude?

• Increased breathing rate

• Increased heart rate

• Increased oxygen saturation