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

Author Question: What is the primary function of local or intrinsic cardiovascular control mechanisms? a. Alter ... (Read 67 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
What is the primary function of local or intrinsic cardiovascular control mechanisms?
 
  a. Alter local blood flow according to tissue needs.
  b. Alter the rate of cardiac contractions.
  c. Maintain a basal level of systemic vascular tone.
  d. Control the capacity of the venous reser-voir.

Question 2

The cardiovascular system regulates perfusion mainly by altering which of the following?
 
  a. Capacity and resistance of blood vessels
  b. Rate of cardiac contractions
  c. Strength of cardiac contractions
  d. Volume of cardiac contractions



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Tonyam972

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

ANS: A
Local, or intrinsic, controls operate independently, without central nervous control. Intrinsic con-trol alters perfusion under normal conditions to meet metabolic needs.

Answer to Question 2

ANS: A
The cardiovascular system regulates blood flow mainly by altering the capacity of the vasculature and the volume of blood it holds.




Pea0909berry

  • Member
  • Posts: 573
Reply 2 on: Jul 16, 2018
Wow, this really help


JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library