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 87 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
Excellent

mochi09

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

The path of blood flow through the chambers of the left and right side of the heart, including the v The path of blood flow through the chambers of the left and right side of the heart, including the v
Homeostatic Control Mechanisms Homeostatic Control Mechanisms
Feedback mechanisms of the thyroid gland. Feedback mechanisms of the thyroid gland.
The primary factors affecting blood pressure. The primary factors affecting blood pressure.
Renal blood vessels and the pathway of blood through the renal system. Renal blood vessels and the pathway of blood through the renal system.
Blood pressure cuffs are available in various types and sizes for infants and children Blood pressure cuffs are available in various types and sizes for infants and children
Video: Interview with an Anorexic Woman (Part 1 of 2)

For a complete list of videos, visit our video library