- 1(current)
Q. No.The ……. receive signals from …….and transmit it via …….nerve root
(1) Afferent neurons, sensory organs, dorsal
(2) Afferent neurons, effector organs, ventral
(3) Efferent neurons, sensory organs, ventral
(4) Efferent neurons, effector organs, dorsal
Reflex action does not involve
(1) Conscious thought
(2) PNS
(3) Involuntary response
(4) Both B and C
The sensory neuron enters the spinal cord through:
| 1. | The dorsal root of the spinal nerve |
| 2. | The ventral root of the spinal nerve |
| 3. | Either dorsal or ventral root depending on the point of origin |
| 4. | Both dorsal and ventral roots of the spinal nerves |
Which of the following is a reflex action?
| 1. | Sudden withdrawal of body part, when it comes in contact of hot body. |
| 2. | Knee jerk reflex. |
| 3. | Controlling sleep pattern. |
| 4. | More than one options are correct. |
Consider the following statements.
(a) Occurs involuntarily and without conscious effort.
(b) At least no afferent and two efferent neuron required.
(c) Only motor neuron is involved in the action.
(d) Polysynaptic and conditional reflex.
(e) Regulated by the spinal cord.
Which of the above statements are correct for the reflex shown in the above figure?
1. a and e
2. b, c and d
3. a, b, d and e
4. a, b, c, d and e
- 1(current)
Q. No.
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