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 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 smooth, rounded, or oval articular process of a bone is termed a
A) crest. B) ridge. C) head. D) condyle. E) trochlea.
Anatomy & Physiology
The space between neurons is called the neuronal space
Indicate whether the statement is true or false
Anatomy & Physiology
Normal alveolar PCO2 is ________.
A. 46 mm Hg B. 105 mm Hg C. 100 mm Hg D. 40 mm Hg
Anatomy & Physiology