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Neuron

Rearrange the...

Question

Rearrange the following in correct sequence pertaining to what is given within brackets at the end.

(a) Effector -Sensory neuron - Receptor - Motor neuron - Stimulus - Central nervous system - Response (Reflex arc)

(b) Repolarisation - Depolarisation - Resting (polarised) (during conduction of nerve impulse through a nerve fibre)

(c) Axon endings - Nucleus - Dendrites - Axon - Perikaryon - Dendron (Neuron structure)

(d) Diencephalon - Cerebellum - Medulla oblongata - Pons- Cerebrum - midbrain (sequence of parts of the human brain).

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Solution

(a) Stimulus --- Receptor --- Sensory neuron --- Central nervous system --- Motor neuron --- Effector --- Response
(b) Resting --- Depolarization --- Repolarization
(c) Dendrites --- Dendron --- Perikaryon(Cell body) --- Nucleus --- Axon --- Axon endings
(d) Cerebrum --- Diencephalon --- Mid-brain --- Cerebellum --- Pons --- Medulla oblongata

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Similar questions

Differentiate between the following pairs with reference to the aspect in brackets.

(a) Cerebrum and cerebellum (function).

(b) Sympathetic nervous system and parasympathetic nervous system (overall effect on the body).

(c) Sensory nerve and motor nerve (direction of impulse carried).

(d) Medulla oblongata & Cerebellum (function).

(e) Cerebrum and spinal cord (arrangement of cytons and axons of neurons).

Q. Question 5
Which is the correct sequence of the components of a reflex arc?

(a) Receptors→ Muscles→ Sensory neuron→ Motor neuron→ Spinal cord
(b) Receptors→ Motor neuron → Spinal cord → Sensory neuron → Muscle
(c) Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle
(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

Q. Question 21
Which of the following statements about transmission of nerve impulse is incorrect?

(a) Nerve impulse travels from dendritic end towards axonal end.
(b) At the dendritic end electrical impulses bring about the release of some chemicals which generate an electrical impulse at the axonal end of another neuron.
(c) The chemicals released from the axonal end of one neuron cross the synapse and generate a similar electrical impulse in a dendrite of another neuron.
(d) A neuron transmits electrical impulses not only to another neuron but also to muscle and gland cells.

Q. Put the following parts of a reflex arc in the correct order beginning with the sensory receptor:
(A) Motor neuron
(B) Interneuron
(C) Effector
(D) Sensory neuron
(E) Sensory receptor

Q. One of the following gives the correct sequence of the components in a reflex arc. This is :
(a) Receptors → Muscle → Sensory neuron → Motor neuron → Spinal cord
(b) Receptors → Motor neuron → Spinal cord → Sensory neuron → Muscle
(c) Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle
(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle

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