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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: - Predation and parasitism are which type of interactions?
- Acetylcholinesterase helps in breaking
- Structral lipids of cell membrane are
- Which one of the following organelles is involved increasing of plasma
- Endocrine glands differ from other glands, because they secrete
Topics: Locomotion and Neural Control
(33)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Predation and parasitism are which type of interactions?
- Acetylcholinesterase helps in breaking
- Structral lipids of cell membrane are
- Which one of the following organelles is involved increasing of plasma
- Endocrine glands differ from other glands, because they secrete
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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