Which cranial nerve passes through the internal auditory meatus and provides the senses of hearing and balance?
A. Trochlear
B. Vestibulocochlear
C. Glossopharyngeal
Answer: B. Vestibulocochlear
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The organ that is connected to the hypothalamus by neurons is the
A) Anterior pituitary. B) Posterior pituitary. C) Adenohypophysis. D) Thyroid.
Low levels of calcium within cells are maintained by
A. a high number of voltage-gated and leakage channels for calcium in cell membranes. B. frequent exocytosis and endocytosis of calcium-containing vesicles. C. pumps that move calcium out of cells or into the sarcoplasmic reticulum. D. osmosis of large amounts of water into cells that have any calcium within them.
During vertebral ossification, the costal elements in the cervical region:
A) become part of the spinous processes. B) become part of the transverse processes. C) become part of the vertebral arch. D) never develop. E) degenerate.
Seminal vesicles do not
a. supply fructose, which serves as the primary energy source for ejaculated sperm b. secrete prostaglandins c. secrete fibrinogen d. secrete an alkaline fluid that neutralizes the acidic vaginal secretions e. provide more than half the seminal fluid