Under Conditions in Which Volunteers Are Deprived of All Environmental

question 375

Multiple Choice

Under conditions in which volunteers are deprived of all environmental time cues:

• A) they will experience strong symptoms of jet lag.
• B) they will gravitate to roughly a 24.2-hour day.
• C) their emotional, intellectual, and physical biorhythms become closely synchronized with one another.
• D) their circadian rhythms will become precisely entrained to a 24-hour day.

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Definitions:

Pulmonary Artery

Blood vessel that transports oxygen-poor blood from the heart to the lungs.

Alveolus

The tiny, air sac structures within the lungs where gas exchange with the blood takes place, vital for breathing and oxygenation of blood.

Bronchiole

In terrestrial vertebrates, small tube that conducts air from a bronchus to the alveoli.

Trachea

The windpipe, a large tube that connects the larynx to the bronchi of the lungs, allowing for air passage.