Multiple Choice
A person is confronted by a dangerous dog.His heart begins to race and beat strongly,his pupils dilate,and his hairs stand up.These signs are not the result of
A) sympathetic activation.
B) increased levels of epinephrine in the blood.
C) increased activity of autonomic centers in the hypothalamus.
D) stimulation of the cardioacceleratory reflex.
E) stimulation of the pancreas to release insulin.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: A certain drug decreases heart rate by
Q15: Control of the diameter of the respiratory
Q27: What effect would cutting the vagus nerve
Q42: Compare and contrast alpha and beta receptors.
Q43: The statement "It sends its preganglionic fibers
Q44: Autonomic motor neurons<br>A)cause general relaxation.<br>B)cause general excitation.<br>C)conduct
Q46: In general,sympathetic preganglionic fibers are _ and
Q48: What brain structure relays somatosensory information?<br>A)thalamus<br>B)hypothalamus<br>C)midbrain<br>D)pons<br>E)medulla oblongata
Q50: Sympathetic and parasympathetic fibers that innervate the
Q89: Stimulation of the neurons in the celiac