If sleep apnea is due to __________, it could involve temporary closure of any portion of the __________ airway.

A. airway obstruction; upper
B. airway obstruction; lower
C. neurological problems; lower
D. neurological problems; upper


Answer: A. airway obstruction; upper

Anatomy & Physiology

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The male gametes, ________ cells, are produced in the testes.

Fill in the blank(s) with the appropriate word(s).

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In which lobe of the cerebrum does the calcarine sulcus lie?

What will be an ideal response?

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Which of the following systems is comprised of 206 individual organs?

a. Integumentary system. b. Skeletal system c. Circulatory system. d. Respiratory system.

Anatomy & Physiology

If a resting axon increases its permeability to sodium ions:

A) the membrane potential will repolarize. B) the outward movement of sodium ions will decrease. C) the membrane potential will hyperpolarize. D) the influx of sodium ions will increase and the membrane will depolarize.

Anatomy & Physiology