Home
Class 12
BIOLOGY
Norepinephrine (A) Is released by symp...

Norepinephrine
(A) Is released by sympathetic fibres
(B) Is released by parasympathetic fibres ltbrltgt ( C ) Increases the heart rate
(D) Decreases blood pressure

A

(a) and (d)

B

(a) and (c)

C

(b) and (c)

D

(b) and (d)

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Norepinephrine (A) Is released by sumpathetic fibres (B) Is released by parasympathetic fibres ltbrltgt ( C ) Increases the heart rate (D) Decreases blood pressure

Sympathetic/parasympathetic nerve fibres decrease rate of heart beat.

Blood pressure increases and heart rate decreases in response to

Which neurotransmitter is released at the end of sympathetic nerve fibres?

Name the neurotransmitter released at the synapse by the sympathetic nerve fibres.

Drugs that causes an increase in blood pressure and heart rate is

Which two of the following changes (A-B) usually tend to occur in the plain dwellers when they move to high altitudes (3500 m or more ) (A) Increase in red blood cell size (B) Increase in red blood cell production ( C) Increased breathing rate (D) Increase in thrombocyte count