1181. The part of the body represent by the largest area of the somatosenosry cortex is the :
A. Forearm
B. Thigh
C. Lips *
D. Back
E. Neck
1182. EEG rhythms of awak person with closed eye relaxing after watching a sensational match would most likely show :
A. Alpha waves *
B. Beta waves
C. Delta waves
D. Theta waves
E. Mixed waves
1183.The naked nerve endings are responsible for the sensation of :
A. Pain *
B. Touch
C. Hearing
D. Vision
E. Taste
1184. Stereognosis is lost in instances of damage to which of the following areas ?
A. Vestibular apparatus
B. Cerebellum
C. Sensory cortex *
D. Spinothalamic tract
E. Sympathetic trunk
1185. Muscle Spindles and tendon organs are example of :
A. Thermoreceptors
B. Nociceptors
C. Proprioceptors *
D. Exteroceptors
E. Mechanoreceptors
1186. Chemicals that make a postsynaptic neuron less likely to fire an action potential are :
A. Acetylcholine molecules
B. Excitatory neurotransmitters
C. Synaptic vesicles
D. GABA and Glycine *
E. Epinephrine
1187.Gamma afferent system is excited specifically by signals from :
A. Cerebellum
B. Basal ganglia
C. Cerebral cortex
D. Bulboreticular faciliatory region of brain system *
E. Hippocampus
1188. A right handed patient with a tumour in the right perinatal lobe is most likely to exhibit :
A. Speech defects
B. Seizures
C. Recent memory loss
D. Right homonymous hemianopia
E. Neglect of left extremities *
1189. The effect of bilateral loss of hippocampal function include :
A. Disappearance of remote memories
B. Loss of working memory
C. The inability to retain recent events in long-term memory *
D. Loss of capacity to review and structures however not the capacity to review printed or expressed words
E. Production of inappropriate emotional responses when recalling events of recent past
1190. The receptor cells for the smell sensation are the olfactory cells which are :
A. Unipolar nerve cells dervied from the CNS
B. Bipolar nerve cells derived from the CNS *
C. Unipolar nerve cells not derived from the CNS
D. Bioplar nerve cells riot derived from the CNS