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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.
Related Questions: - Select the answer which correctly matches the endocrine gland with the hormone
- Liver and pancreas of frog and rabbit are derived from
- A fall in glomerular filtration rate (GFR) activates
- Cell wall is absent in :
- Muscular wall of the heart is externally covered with
Topics: Locomotion and Neural Control
(33)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Select the answer which correctly matches the endocrine gland with the hormone
- Liver and pancreas of frog and rabbit are derived from
- A fall in glomerular filtration rate (GFR) activates
- Cell wall is absent in :
- Muscular wall of the heart is externally covered with
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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