The anterior communicating artery of the cerebral arterial circle connects the
A. vertebral arteries.
B. posterior cerebral arteries.
C. anterior cerebral arteries.
D. basilar artery and the internal carotid artery.
E. posterior communicating artery and the middle cerebral artery.
Answer: C
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A muscle tissue with multinucleated cells would be classified as ___________ muscle.
Fill in the blank(s) with the appropriate word(s).
The surface area of enterocytes is increased by the presence of microscopic protrusions called __________
Fill in the blank with the correct word.
A young man is having trouble maintaining his posture after drinking too much at a party. The afferent pathways of the postural reflexes most likely affected in this man is the
A. muscle spindles and temperature receptors. B. cerebellum. C. nociceptors and chemoreceptors. D. vestibular apparatus. E. the somatosensory cortex.
Depolarization of the oocyte plasma membrane occurs when the first sperm attaches to the integrin ?6?1. This is called the ________.
A. acrosomal reaction B. fertilization C. spermiogenesis D. slow block to polyspermy E. fast block to polyspermy