This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which factor stimulates the carotid and aortic chemoreceptors? a. High carbon dioxide levels b. ... (Read 102 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
on: Jul 16, 2018
Which factor stimulates the carotid and aortic chemoreceptors?
 
  a. High carbon dioxide levels
  b. High oxygen (O2) levels
  c. High pH levels
  d. High 2,3-DPG levels

Question 2

Which of the following would have a negative impact on cardiac contractility? 1. Acidosis 2. Digitalis 3. Hypoxia 4. Norepinephrine
 
  a. 1, 2, and 3
  b. 2 and 4 only
  c. 4 only
  d. 1 and 3 only


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
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
They are strongly stimulated by decreased O2 tensions, although low pH or high levels of carbon dioxide also can increase their discharge rate.

Answer to Question 2

ANS: D
Profound hypoxia and acidosis impair myocardial metabolism and decrease cardiac contractility.


mydiamond

  • Hero Member
  • *****
  • Posts: 804
Reply #2 on: Jul 16, 2018
Thank you


mochi09

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 16, 2018
No problemo


« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

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

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

These adolescents have just graduated and look forward to moving on from high school and adolesence These adolescents have just graduated and look forward to moving on from high school and adolesence
Carbon Cycle Carbon Cycle
A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet
A model for factor-independent termination of transcription A model for factor-independent termination of transcription
Dried fruits often have sulfur dioxide or other sulfites added to them to preserve color and flavor Dried fruits often have sulfur dioxide or other sulfites added to them to preserve color and flavor
Functional Groups of Carbon Functional Groups of Carbon
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library