Tag: nervous system of man

Questions Related to nervous system of man

Which part of nervous system is activated under stress

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Whole autonomous nervous system

  2. Parasympathetic nervous system

  3. Sympathetic nervous system

  4. Spinal cord

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Correct Option: C

Passage of action potential from one node of Ranvier to the next is

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Nodal conduction

  2. Saltatory conduction

  3. Threshold stimulus

  4. Mechanical conduction

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Correct Option: B

Memory centre is present in

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Cerebellum

  2. Parietal lobe

  3. Temporal lobe

  4. Occipital lobe

  5. Frontal lobe

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Correct Option: C

Parasympathetic nerve endings release

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Adrenaline

  2. GABA

  3. Acetylcholine

  4. Noradrenaline

  5. Dopamine

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Correct Option: C

You are watching a horror movie and you notice that your heart is beating fast and mouth is dry. It is because of

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Fight and flight response

  2. Sympathetic nervous system

  3. Both A and B

  4. Autonomic nervous system

  5. Parasympathetic nervous system

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Correct Option: C

The functions of our visceral organs are controlled by

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Sympathetic and somatic nervous system

  2. Sympathetic and parasympathetic nervous system

  3. Central and somatic nervous system

  4. None of the above

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Correct Option: B

Which is not the effect of sympathetic nervous system

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Dilation of pupil

  2. Inhibition of peristalsis

  3. Elevation of blood pressure

  4. Stimulation of saliva secretion

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Correct Option: D

Cutaneous plexus and papillary plexus consist of

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. A network of arteries providing dermal supply

  2. Network of nerves providing dermal sensation

  3. Specialized cells for cutaneous sensation

  4. Gland cells that release cutaneous secretion

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Correct Option: A
Explanation:
Cutaneous plexus is a network of arteries present along the border of hypodermis. These arteries supply blood to the fatty tissue of the hypodermis and deep parts of dermal layer including capillaries of hair follicles, sweat glands and sebaceous glands. Papillary plexus is another network of small arteries which supply blood to the dermal layer.
So, the correct answer is 'A network of arteries providing dermal supply'.

In EEG, the waves which are low in frequency but with high amplitude are

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Theta waves

  2. Delta waves

  3. Beta waves

  4. Alpha waves

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Correct Option: B

Choose the functions of sympathetic nervous system

biology nervous system of man divisions of nervous system autonomic nervous system the human brain

  1. Constricts bronchi and pupil of eye

  2. Increases heart rate, relaxes bronchi

  3. Decreases heart rate, increases peristalsis

  4. Dilates blood vessels, stimulates salivary secretions

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Correct Option: B