A Student in Your Lab Volunteers to Enter a Hypoxic

question 59

Multiple Choice

A student in your lab volunteers to enter a hypoxic breathing chamber for 10 minutes,and his alveolar P_O2 drops to 50 mm Hg.What other change would occur?

• A) decrease in arterial pH
• B) decrease in arterial P_CO2
• C) decrease in pH of cerebrospinal fluid
• D) increase in alveolar P_CO2
• E) hypoventilation

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Definitions:

Ruminants

A group of herbivorous mammals that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, mainly through microbial actions.

Cellulose

Tough, insoluble polysaccharide of glucose monomers; the major structural material in plants.

Microbes

Microscopic organisms, including bacteria, viruses, fungi, and protozoa, that can be either beneficial or harmful to other organisms.

Bicarbonate

A negatively charged ion that plays a significant role in maintaining the pH balance of blood and other fluids in the body.