How does surfactant reduce the surface tension of water in the lungs?

A. Reduces hydrogen bonding between water molecules
B. Decomposes water
C. Covers the alveoli
D. All of the choices are correct.


Answer: A

Anatomy & Physiology

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The smooth, rounded, or oval articular process of a bone is termed a

A) crest. B) ridge. C) head. D) condyle. E) trochlea.

Anatomy & Physiology

Normal alveolar PCO2 is ________.

A. 46 mm Hg B. 105 mm Hg C. 100 mm Hg D. 40 mm Hg

Anatomy & Physiology

The glossy-white appearance of most axons is due to

A. their proximity to light-reflecting cartilage. B. their proximity to white bone. C. the covering of ependymal cells. D. the high lipid content of the myelin sheath. E. the white color of the perivascular feet.

Anatomy & Physiology

The space between neurons is called the neuronal space

Indicate whether the statement is true or false

Anatomy & Physiology