Figure 14- 2 The Corticospinal Pathway
Use Figure 14- 2 to answer the following questions:
-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 the result of
A) increased activity of autonomic centers in the hypothalamus.
B) increased levels of epinephrine in the blood.
C) sympathetic activation.
D) A, B, and C
E) B and C only

Question

Figure 14- 2 The Corticospinal Pathway
Use Figure 14- 2 to answer the following questions:
-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 the result of
A) increased activity of autonomic centers in the hypothalamus. 
B) increased levels of epinephrine in the blood. 
C) sympathetic activation. 
D) A, B, and C 
E) B and C only

Quizplus · Accepted Answer

These physiological responses are due to sympathetic activation, which is part of the autonomic nervous system, and increased levels of epinephrine (adrenaline) in the blood, both of which are controlled by autonomic centers in the hypothalamus.

Figure 14- 2 the Corticospinal Pathway