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Chapter 2: Problem 1

While watching a suspenseful video late at night, you hear a sudden crash in another room. You leap out of your chair in fear. then realize that your dog has knocked over the trash. Your fear reaction involved the activation of the ____________ of the nervous system. Calming down involved the _____________ of the nervous system. a. hypothalamus; endocrine branch b. somatic branch; sympathetic division c. sympathetic division; parasympathetic division d. parasympathetic division; sympathetic division

Short Answer

Expert verified
The short answer is: c. sympathetic division; parasympathetic division

Step by step solution

01

Identify fear reaction division

To find the appropriate part of the nervous system involved in fear reaction, we need to look at the available options: a. hypothalamus (part of the endocrine system, not directly involved in fear response) b. somatic branch (controls voluntary actions, not directly involved in fear response) c. sympathetic division (responsible for arousing the body during a fear response or emergency) d. parasympathetic division (responsible for calming the body after reacting to an emergency) The correct fear reaction division is the sympathetic division. Step 2: Identifying the calming down part in the system
02

Identify calming down division

Now we need to look at the available options to find out which part of the nervous system is involved in calming the body down: a. endocrine branch (part of the endocrine system, not directly involved in the calming down process) b. sympathetic division (involved in the fear response, not calming down) c. parasympathetic division (responsible for calming the body after reacting to an emergency) d. somatic branch (controls voluntary actions, not directly involved in calming down) The correct calming down division is the parasympathetic division. Step 3: Choosing the correct answer
03

Select the proper combination

Now that we have determined both the fear reaction and calming down divisions, let's see which option matches our findings: a. hypothalamus; endocrine branch b. somatic branch; sympathetic division c. sympathetic division; parasympathetic division d. parasympathetic division; sympathetic division The correct combination is the sympathetic division for fear reaction and the parasympathetic division for calming down. Therefore, the answer is: c. sympathetic division; parasympathetic division

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