Neco 2021 Biology Question 4

Practice essay / theory question 4 from the 2021 Neco Biology examination. This question covers Respiration .

Neco 2021 Biology Essay / Theory

Topic: Respiration

Question 4 NECO • 2021 • BIOLOGY • essay

A 25‑year‑old trekker ascends to an altitude of 3000 m. The following respiratory data are recorded: - At sea level: tidal volume = 500 ml, breathing rate = 12 breaths·min⁻¹, anatomical dead space = 150 ml. - At 3000 m: tidal volume = 650 ml, breathing rate = 20 breaths·min⁻¹, anatomical dead space remains 150 ml. Answer the following:

( a )

Calculate the minute ventilation and alveolar ventilation at sea level and at 3000 m.

( b )

Explain two short‑term respiratory adaptations that occur when a person is exposed to high altitude.

( c )

Discuss how chronic exposure to high altitude affects blood pH and describe the renal compensation that follows.

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

This is Neco 2021 Biology Question 4. It is one of the essay questions from the 2021 Neco Biology examination.

The question covers Respiration .

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows