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

Author Question: Central mechanisms cause contraction and increased resistance to blood flow mainly through which of ... (Read 57 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
on: Jul 16, 2018
Central mechanisms cause contraction and increased resistance to blood flow mainly through which of the following?
 
  a. Adrenergic stimulation and the release of norepinephrine
  b. Cholinergic stimulation and the release of acetylcholine
  c. Cholinergic stimulation and the release of norepinephrine
  d. Stimulation of specialized al-pha-adrenergic receptors

Question 2

Which portion of the nervous system is mainly responsible for the central control of the blood flow?
 
  a. Higher brain centers
  b. Parasympathetic nervous system
  c. Somatic (voluntary) 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

mceravolo

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
Smooth muscle contraction and increased flow resistance are mostly caused by adrenergic stimu-lation and the release of norepinephrine.

Answer to Question 2

ANS: D
Central control of blood flow is achieved primarily by the sympathetic division of the autonomic nervous system.


itsmyluck

  • Member
  • Posts: 546
Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Taking a Patient's Blood Pressure Taking a Patient's Blood Pressure
Instructing Patients According to Their Needs: Teaching Peak Flow Measurement Instructing Patients According to Their Needs: Teaching Peak Flow Measurement
Measuring the resistance of an HEI pickup coil using a digital multimeter set to the ohms position. ... Measuring the resistance of an HEI pickup coil using a digital multimeter set to the ohms position. ...
A central port fuel-injection system. A central port fuel-injection system.
Iron-deficient red blood cells. Iron-deficient red blood cells.
Excitation-Contraction Coupling Excitation-Contraction Coupling
Video: Ultrasound of a Fetus (Sonogram)

For a complete list of videos, visit our video library