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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
- Viroids differ from viruses in having
- Which one of the following statements is not true about somatic embryogenesis?
- Lichens indicate SO2 pollution because they
- About 70% of total global carbon is found in
- Alzheimer disease in humans is associated with the deficiency of:
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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