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

Author Question: Which of the following statements accurately describes the act of defecation? A) Defecation ... (Read 159 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
Which of the following statements accurately describes the act of defecation?
 
  A) Defecation refers to the emptying of the small intestine.
  B) Centers in the medulla and the spinal cord govern the reflex to defecate.
  C) When sympathetic stimulation occurs, the internal anal sphincter relaxes and the colon contracts sending fecal content to the rectum.
  D) Rectal distention leads to a decrease in intrarectal pressure, causing the muscles to stretch and thereby stimulating the defecation reflex.

Question 2

An immobile person has decreased movement of respiratory secretions. What condition is a greater risk as a result?
 
  A) respiratory tract infection C) greater thoracic expansion
  B) increased gas exchange D) increased respiratory rate



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mochi09

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

B

Answer to Question 2

A




kellyjaisingh

  • Member
  • Posts: 540
Reply 2 on: Jul 23, 2018
:D TYSM


sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

For a complete list of videos, visit our video library