Which of the following statements is true?
a. The only physiological function for which surface-area-to-volume ratio is relevant is digestion.
b. The only physiological function for which surface-area-to-volume ratio is irrelevant is reproduction.
c. For any physiological function, a high surface-area-to-volume ratio is advantageous.
d. Surface area increases as the square of the linear dimension while volume increases as the cube.
e. All statements are true.
d
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Food is normally prevented from entering the nasopharynx by the
A. elevation of the epiglottis. B. elevation of the soft palate. C. constriction of the esophagus. D. depression of the hard palate. E. closure of the nasal conchae.
Visual pathways include axons that project from the optic tracts to the superior colliculi.
Answer the following statement true (T) or false (F)
Sleep __________ is a medical condition in which a person temporarily stops breathing while he or she is asleep.
A. hypopnea B. tachypnea C. hyperpnea D. apnea
Of the muscles listed, the only one that inserts on the hyoid bone is the
A. hyoglossus. B. palatoglossus. C. styloglossus. D. lateral pterygoid. E. genioglossus.