This topic contains a solution. Click here to go to the answer

Author Question: From an evolutionary perspective, what is the most likely reason why stimulation of the sympathetic ... (Read 89 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
From an evolutionary perspective, what is the most likely reason why stimulation of the sympathetic nervous system represses erections in males?
 
  a. A diminished erection may have been a prehistoric signal for females to flee and seek shelter.
  b. An erection may attract unwanted completion or threats from intruders.
  c. It would better serve the organism as a whole if the physiological resources required to maintain an erection were allocated to other body parts.
  d. If a male encounters an aggressor, an erect penis is an easy target for the aggressor to attack.

Question 2

Andrew is hiking through the woods on his way to a secluded campsite where he will meet up with several friends. Andrew is feeling relaxed and happy as he thinks about his camping trip, until he spots a mountain lion close to the trail where he is hiking.
 
  Which physiological system is likely to kick into full gear when Andrew encounters the mountain lion?
 
  a. central nervous system c. parasympathetic nervous system
  b. automatic nervous system d. sympathetic nervous system



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

briezy

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

ANS: C

Answer to Question 2

ANS: D




123654777

  • Member
  • Posts: 585
Reply 2 on: Jun 18, 2018
Wow, this really help


CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Excellent

 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

For a complete list of videos, visit our video library