1151. Which of the following functions is attributed to supplementary motor cortex:

A. Muscles tone control *
B. Highly discrete movements
C. Contralastial motor responses
D. Ipsilateral manual tasks
E. Superficial abdominal reftex

1152. Impedance matching between sound waves in air and sound vibrations in fluid of the cochlea is function of :

A. Auditory tube
B. Basilar membrane
C. Eustachian tube
D. Ossicles *
E. Ear drum

1153. Upper motor neuron lesion is characterized by all of the following except :

A. Spastic paralysis
B. Babinski sign
C. Clonus
D. Hyper-Reflexia
E. Marked muscle wasting *

1154. Visual accommodation involves :

A. Increased tension on the lens ligament
B. A decrease in the lens’s curvature
C. Relaxation of the sphincter muscles of the iris
D. Contraction of the ciliary muscle *
E. Increased intra ocular pressure

1155. Multiple small lesions in the putamen lead to :

A. Alzheimer’s
B. Athetosis
C. Chorea *
D. Hemiballismus
E. Parkinson’s disease

1156. The total dioptric power of an adult eye is approximately :

A. 40
B. 50
C. 60 *
D. 70
E. 80

1157. The function of the pacinian corpuscle is to detect :

A. Touch
B. Pressure *
C. Pain
D. Heat
E. Vibration

1158. On the right side, a patient was found to have a cerebellar lesion. Which of the accompanying signs upholds the determination ?

A. Cogwheel rigidity
B. Ataxia *
C. Exaggerated knee jerks
D. Positive Babinski sign
E. Fasciculations

1159. Which of the following is primarily involved in carrying the information from body to central nervous system ?

A. Cerebellum
B. Basal ganglion
C. Ascending tracts *
D. Brain stem
E. Thalamus

1160. Which of the following would be expected in patients with grave’s disease ?

A. Cold sensitivity
B. Weight gain
C. Increased triiodothyronine (T3) levels *
D. Decreased triiodothyronine (T3) levels
E. Increased TSH level