Passive processes that move substances across membranes ________
A) utilize ATP
B) employ protein pumps
C) transport substances against their concentration gradients
D) do not require ATP
E) include exocytosis and endocytosis
D
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In which body cavities are the lungs located?
A) pleural, dorsal, and abdominal B) pleural, ventral, and thoracic C) pericardial, ventral, and thoracic D) mediastinal, thoracic, and ventral
The clavicles articulate with the sternum at the ________ notches.
A. jugular B. first costal C. clavicular D. suprasternal E. mastosternal
Name the three major interacting hormonal events associated with the onset of puberty
A) Increased GnRH production, increased LH and decreased FSH production, activation of ovaries and testes by LH. B) Decreased GnRH production due to estrogen and testosterone negative feedback, decrease in LH and FSH release by the anterior pituitary gland, and decreased LH and FSH sensitivity by the ovaries and testes. C) Increased GnRH production, increased sensitivity of the anterior pituitary to GnRH and the subsequent release of LH and FSH, and increased sensitivity of ovaries and testes to LH and FSH. D) Increased hypothalamic LH production, anterior pituitary release of estrogen and testosterone, estrogen activation of ovaries and testosterone activation of testes. E) Increased hypothalamic estrogen and testosterone production, estrogen activation of ovaries and testosterone activation of testes.
A patient develops a tumor of a cranial nerve that leads to difficulty in speaking from a loss of tongue movement. Which cranial nerve is affected?
A) glossopharyngeal B) hypoglossal C) vagus D) spinal accessory E) trigeminal