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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
- If a fruit is developed from bicarpellary, syncarpous, superior ovary
- When vegetative cells of zygote form embryo, it is called
- Which one of the following pairs is incorrectly matched? Glucagon – Beta cells (source)
- Restriction endonuclease is employed for cutting
- How many of the daughter cells obtained from a megaspore mother cell result
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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