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Norepinephrine:
(1) Is released by sympathetic fibres
(2) Is released by parasympathetic fibres
(3) Increases the heart rate
(4) Decreases blood pressure
Which of the above said statements are correct?
Options
(a) (1) and (4)
(b) (1) and (3)
(c) (2) and (3)
(d) (2) and (4)
Correct Answer:
(1) and (3)
Explanation:
Norepinephrine is released by sympathetic fibres i.e., rapidly secreted in response to stress of any kind and during emergency situation. It increases the heart beat, the strength of heart contraction and the rate of respiration.
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Topics: Locomotion and Neural Control
(33)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The swelling in any part of our body, caused by infiltration of serum into
- Loss of water from the tips of leaves is called
- There are special proteins that help to open up DNA double helix in front of
- Identity the correct matching of crop, disease and pathogen
- A collection of plants and seeds having diverse alleles of all the genes
Topics: Locomotion and Neural Control (33)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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