Which of the Following Will Return Toward Normal During Acclimatization

question 5

Multiple Choice

Which of the following will return toward normal during acclimatization to high altitude (12,000 feet) ?

• A)Arterial carbon dioxide tension
• B)Arterial hydrogen ion concentration
• C)Arterial hemoglobin concentration
• D)Alveolar ventilation

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Definitions:

Neurotransmitter

Chemical substances released at the end of a nerve fiber by the arrival of a nerve impulse, which by diffusing across the synapse or junction causes the transfer of the impulse to another nerve fiber, a muscle fiber, or some other structure.

T-tubule

Tubular extensions of the cell membrane in muscle cells, which play a critical role in the conduction of electrical signals for muscle contraction.

Action Potential

A short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, allowing nerve cells to communicate.

Contractile Organelle

A cell component that is involved in the contraction and movement processes, such as muscle fibers.