The middle cerebral artery is a branch of the internal carotid artery.
a. true
b. false
Ansewr: a. true
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A visceral motor neuron whose cell body is within the CNS is called a(n)________ neuron
A) upper motor B) lower motor C) preganglionic D) postganglionic E) somatomotor
Match the following:
A) AV node B) Purkinje fibers C) AV bundle D) SA node 1) The pacemaker of the heart. 2) Found in the interventricular septum. 3) Network found in the ventricular myocardium. 4) The point in the conduction system of the heart where the impulse is temporarily delayed.
Which of the following does not put women at risk for hypocalcemia?
A. Lack of exposure to UV radiation B. Removal of the parathyroid glands C. Lactation D. Pregnancy E. Removal of the thyroid gland
Hair cells in semicircular canals are
A. mechanoreceptors. B. chemoreceptors. C. nociceptors. D. photoreceptors. E. audioreceptors.