Nervous system 4

1. Which receptors are stimulated in a stretch reflex?

Muscle spindle

2. What is the receptor for the inverse stretch reflex?

Golgi tendon organ

3. What is the resistance of a muscle to stretch often referred to?

Muscle tone

4. When the knee-jerk is elicited in a person in whom the dorsal nerve root is severed, what response would be seen?

Loss of reflex

5. What is the type of paralysis seen in the affected muscles due to a pyramidal tract lesion?

Spastic paralysis (UMN lesion)

6. Who said that pain was the physical adjunct of an imperative protective reflex?

Charles Sherrington

7. It is well known that soldiers wounded in the heat of battle may feel no pain until the battle is over. What is this condition called?

Stress analgesia

8. Give one example for a slowly adapting receptor

Muscle spindle / tonic receptor

9. In the sensory pathways from the receptor to the cerebral cortex, where are the third order neurons located?

Ventro-postero lateral nucleus of the thalamus

10. Give one example of a referred pain

Angina pectoris / gall blander pain, appendix pain

11. what is the irritation of a viscus producing pain that is not felt in the viscus but in some somatic structure that may be some distance away called?

Referred pain

12. What is the term used to describe the inability to make alternate movements in rapid succession in a cerebellar lesion?

Adiadochokinesia / dysdiadochokinesia

13. What is the condition seen when a bitemporal lobectomy is performed?

Kluver-Bucy syndrome

14. Name any two proprioceptors.

Muscle spindle, Golgi-tendon organ

15. What is the method that trying to pull the hands apart when the flexed fingers are hooked together that facilitates the knee jerk reflex called?

Jendrassik’s manoeuvre

16. Which type of receptors do protein coupled receptors belong to?

Metabotropic receptors

17. What is the inability to recognize the objects in spite of good vision called?

Visual agnosia

 

18. When a benign stimulus is repeated at frequent intervals, the response declines and disappears. What is this phenomenon called?

Habituation

19. What is the ability to identify objects by handling the objects without looking?

Stereognosis

20. What is the syndrome characterized by nystagmus, intention tremor and lalling speech called?

Charcot’s triad.

 ( UMS, 2008 )