For the body to launch an effective response to invading pathogens, innate immunity must join forces with ________.
A. the lymphatic system
B. the cardiovascular system
C. adaptive immunity
D. the hypothalamus
Answer: C
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The mesencephalon contains the headquarters of the ________, a specialized component of the reticular formation that controls alertness and attention
A) falx cerebri B) Wernicke's area C) general association area D) reticular activating system E) basal ganglia
The medial boundary of the infratemporal fossa is the
A. posterior surface of the maxilla. B. zygomatic arch. C. greater wing of the sphenoid. D. lateral pterygoid plate. E. ramus of the mandible.
Contraction of cardiac muscle typically requires:
A. Ca++ influx through voltage-gated Ca++ channels to trigger a rise in cytosolic [Ca++] B. Ca++ influx through voltage-gated Ca++ channels, which is sufficient to support contraction C. activation of MLCK D. phosphorylation of myosin heavy chain E. Ca++ influx through the Na+-Ca++ antiporter
When peptides and catecholamines bind to the target cell, how do they stimulate its physiology?
a) through lysosomal enzymes b) through DNA transcription c) through gene activation d) through second messenger systems