What kind of receptor responds to acetylcholine released by all autonomic preganglionic fibers?
a. muscarinic cholinergic receptors
b. ?1 adrenergic receptors
c. ?2 adrenergic receptors
d. ?1 adrenergic receptors
e. nicotinic cholinergic receptors
e
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Which sympathetic pathway is responsible for activating the esophagus, heart, lungs, and thoracic blood vessels?
A. Splanchnic nerve pathway B. Adrenal medulla pathway C. Postganglionic sympathetic nerve pathway D. Spinal nerve pathway E. None of the choices is correct.
The pectoral girdle consists of two scapulae and two clavicles
Indicate whether the statement is true or false
Tom is on a health kick and wants to make sure that he is always in balance in terms of total body water. Which of the following is important for him to keep in mind?
A. He must ingest more water than is lost in the urine. B. The water filtered into Bowman's capsule must be 100% reabsorbed. C. The amount ingested plus that metabolically produced must equal the amount of water in the urine. D. He must ingest more water than is lost by all output pathways combined. E. He must ingest less water than is lost in the urine.
The original line tracing (now gray) consists of...
What will be an ideal response?