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 56 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
Gracias!

kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Guidelines for proper blood pressure cuff size Guidelines for proper blood pressure cuff size
During the Pullman strike in Chicago, workers protesting wage cuts did $340,000 in property damage, During the Pullman strike in Chicago, workers protesting wage cuts did $340,000 in property damage,
Defense Mechanisms Cont. Defense Mechanisms Cont.
Some mechanisms of agonistic and antagonistic drug effects. Some mechanisms of agonistic and antagonistic drug effects.
Red Blood Cells Red Blood Cells
Video: Primate Evolutionary Tree Animation

For a complete list of videos, visit our video library