- 1(current)
Q. No.A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neurohormonal control system?
| 1. | Sympathetic nervous system activated releasing epinephrine and norepinephrine from adrenal medulla |
| 2. | Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse |
| 3. | Hypothalamus activates the parasympathetic division of the brain |
| 4. | Sympathetic nervous system is activated releasing epinephrine and norepinephrine from the adrenal cortex |
Which of the following is not a part of the autonomic neural system?
1. Brain
2. Spinal cord
3. Ganglion
4. Skeletal Muscle
Which of the following would not occur when we do physical exercises?
(1) Increased energy demand
(2) Increased oxygen supply and increased urine formation
(3) Increased in the rate of respiration, heart beat
(4) Increased blood flow via blood vessels
The function of our visceral organs is controlled by
1. sympathetic and somatic neural system
2. sympathetic and parasympathetic neural system
3. central and somatic nervous system
4. None of the above
Reason (R): Neurotrasmitters released by the axons of sympathetic and parasympathetic neural systems are of different nature.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
- 1(current)
Q. No.
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