The somatic neural system of the peripheral nervous system

1. Relays impulses from CNS to smooth muscles of body

2. Relays impulses from organs to the CNS

3. Regulates the movement of substances in hollow visceral organs of body

4. Relays impulses from CNS to skeletal muscles

Which of the following neural system relays the impulse from CNS to skeletal muscles?

1. Somatic neural system

2. Sympathetic neural system

3. Parasympathetic neural system

4. Autonomic neural system

The neural system provides an organized network of ___A___ connections for a ___B___ coordination. Choose the correct option for A, B to complete the given statement.

1. A – point to point, B – slow

2. A – chemical, B – fast

3. A – point to point, B – fast

4. A – Chemical, B – slow

_________integrates information received from semicircular canals of ear and _______ regulates emotional reactions with limbic system.

1. Cerebral cortex, Midbrain

2. Cerebellum, Midbrain

3. Cerebral cortex, Hypothalamus

4. Cerebellum, Hypothalamus

Limbic system is concerned with

1. Components of cerebrum and diencephalon

2. Regulation of sexual behaviour

3. Emotional behaviour

4. All of these

Which of the following event can be related to the repolarisation of nerve fiber?

1. Opening up of K⁺ gated channel

2. Opening up of Cl^- gated channel

3. Closure of Na⁺ gated channel

4. Both 1 & 3

Read the following statements

Choose the option that represent correct statements only

1. A only

2. A and B

3. B and C

4. A and C

Hypothalamus does not contain centre for controlling

1. Body temperature

2. Hunger

3. Respiration

4. Osmoregulation

During the process of impulse conduction, the depolarisation of axon takes place because

1. Voltage gated ${\mathrm{K}}^{+}$ channels open

2. Equal amounts of ${\mathrm{Na}}^{+}$ and ${\mathrm{K}}^{+}$ are pumped out

3. Voltage gated ${\mathrm{Na}}^{+}$ channels open

4. Equal amounts of ${\mathrm{Na}}^{+}$ and K are pumped in

Consider the following statements:

I. A motor neuron along with the muscle fibers connected to it constitute a motor unit

II. The neurotransmitter released at the neuro-muscular junction is Acetylcholine.

III. Myosin head has ATPase activity

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II, and III