Organisation of the PNS

Q.

What are the 4 major functions of the nervous system?

Q. The association areas are not responsible for :

1. Intersensory associations
2. Communication
3. Memory
4. Regulation of sexual behaviour

Q.

What is the difference between the autonomic nervous system, central nervous system, and somatic nervous system?

Q. Explain what does antero-posterior axis and dorso-ventral axis mean. .

Q.

What are Argentaffin cells and G cells?

Q.

Fight­ or­ flight reactions cause the activation of

1. the kidney, leading to suppression of renin­-angiotensin­-aldosterone pathway

2. the parathyroid glands, leading to increased metabolic rate

3. the pancreas leading to a reduction in the blood sugar levels

4. the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine

Q.

What are the functions of smooth muscles?

Q.

Which of the following is the smallest cranial nerve?

1. Optic

2. Facial

3. Trochlear

4. Abducens

Q. Stimulation of a muscle fibre by a motor neuron occurs at:

1. the neuromuscular junction
2. the transverse tubules
3. the myofibril
4. the sarcoplasmic reticulum

Q.

Afferent nerve fibres carry impulses from ______ .

Q.

The cardiac activity could be moderated by the autonomous neural system.
Tick the correct answer.
(a) The parasympathetic system stimulates heart rate and stroke volume
(b) The sympathetic system stimulates heart rate and stroke volume
(c) The parasympathetic system decrease the heart rate but increase stroke volume
(d) The sympathetic system decreases the heart rate but increases stroke volume

Q.

What is the simple composition of neural organization in hydra?

Q. By which nervous system and of what type, the blood is supplied into visceral organs?

1. Sympathetic Nervous System, involuntary
2. Parasympathetic Nervous System, involuntary
3. Both SNS and PNS, involuntary
4. Sympathetic Nervous System, voluntary

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

1. fight and flight response
2. autonomic nervous system
3. sympathetic nervous system
4. parasympathetic nervous system
5. both fight & flight response and sympathetic systems

Q.

What is the scientist’s message for the disabled?

Q.

Pacemaker influences

1. Contraction of heart muscles

2. Flow of blood in heart

3. Rate of heart beat

4. Formation of nerve impulse

Q. The autonomic neural system is also known as the

1. voluntary nervous system
2. both a and b are correct
3. involuntary nervous system
4. visceral nervous system

Q.

Match the parts of the human brain given in column I with the functions mentioned in column II and choose the right answer containing the correct matching of the alphabets of the two columns

$\begin{array}{cccc}& \text{Column -I}& & \text{Column - II}\\ & \text{Parts of the Brain}& & \text{Functions}\\ A& \text{Cerebellum}& e& \text{Reflex action}\\ B& \text{Hypothalamus}& f& \text{intelligence, imagination, memory, learning etc}\\ C& \text{Cerebral cortex}& g& \text{Maintaining equilibrium}\\ & & h& \text{Regulation of body temperature and blood pressure}\end{array}$

1. A=h, B=g, C=e

2. A=f, B=c, C=g

3. A=e, B=f, C=g

4. A=g, B=h, C=f

Q. Which of the following is not related to the autonomic nervous system?

1. Peristalsis
2. Digestion
3. Excretion
4. Memory and learning

Q. The flowchart given here shows functional organisation of the human neural system. Identify A to E and select the correct option

1. A - ANS , B - CNS , C - PNS, D - parasympathetic neural system E - Sympathetic neural system
   
2. A - PNS, B - CNS, C - ANS, D - Sympathetic neural system, E - parasympathetic neural system
3. A - CNS , B - PNS , C - ANS, D - Sympathetic neural system, E - parasympathetic neural system
4. A - ANS , B - PNS , C - CNS, D - Sympathetic neural system, E - parasympathetic neural system

Q. The somatic nervous system is the part of

1. the autonomic nervous system
2. the peripheral nervous system
3. the sympathetic nervous system
4. the central nervous system

Q. Nerve cells are not found in

1. Platyhelminthes
2. Coelenterates
3. Echinoderms
4. Sponges

Q.

Cardiac activity could be moderated by the autonomous neural system. Tick the correct answer:

1. The parasympathetic system decreases the heart rate but increase stroke volume

2. The parasympathetic system stimulates heart rate and stroke volume

3. The sympathetic system stimulates heart rate and stroke volume

4. The sympathetic system decreases the heart rate but increase stroke volume

Q. Skeletal muscles are controlled by

1. Sympathetic nerves
2. Parasympathetic nerves
3. Somatic nerves
4. Autonomic nerves

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

1. fight and flight response
2. autonomic nervous system
3. sympathetic nervous system
4. parasympathetic nervous system
5. both fight & flight response and sympathetic systems

Q.

What are the distinctive functions between the thalamus and basal ganglia?

Q.

Which of the following is a part of the peripheral nervous system?

1. Sensory pathway

2. Autonomic nervous system

3. Somatic nervous system

4. A, B and C

Q.

What are multiple disabilities?

Q. 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 happens in his neurohormonal control system?

1. Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse
2. Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla
3. Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex
4. Hypothalamus activates the parasympathetic division of brain

Q.

Differentiate the following activities on the basis of voluntary (V) or involuntary (IV) muscles.
(a) Jumping of frog
(b) Pumping of the heart
(c) Writing with hand
(d) Movement of chocolate in your intestine