What is a hormone?
A. A chemical regulator secreted from an endocrine gland that travels through the bloodstream to affect target cells
B. A chemical released from an endocrine gland that affects target cells without entering the bloodstream
C. A chemical found in the blood that catalyzes the destruction of ingested toxins and foreign substances
D. A chemical found in the sweat that signals other individuals about the physiological status of the body
E. A chemical released from a nerve cell that affects nearby cells across a synapse
Answer: A
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The route of major parasympathetic outflow from the head is via the ________.
A) sympathetic trunk B) phrenic nerve C) vagus nerve D) sacral nerve
The main hormone(s) secreted by the female ovaries include
A) estrogens. B) prostaglandins. C) testosterone. D) antidiuretic hormone. E) follicle -stimulating hormone.
Which structure is innervated only by the sympathetic division of the ANS?
A) salivary glands B) eye C) skin D) bladder
When we imagine a person exhibiting anatomical position, the palms of the hands are assumed to be facing ________
A) to the side B) forward C) down D) behind