1171. Correct statements regarding rapid eye movement (REM) sleep include which of the following ?

A. It is accompanied by loss of skeletal muscle tone *
B. It is characterized by a slow but steady heart rate
C. It is the first stage of sleep entered when a person falls asleep
D. It lasts longer than periods of slow-wave sleep
E. It occurs more often in adults than in children

1172. A 55 years of age man alluded to a nervous system specialist with protests of ataxia and slurred discourse .Assessment uncovered that the patient had Nystagmus and couldn’t remain on his feet without help even with his eyes open. Most likely, this man has a lesion that involves:

A. Basal ganglia
B. Dorsal columns
C. Cerebellum *
D. Mid brain
E. Spinal cord

1173. Functions of basal ganglia include :

A. The rate of muscle contraction when the load on the muscles changes
B. Interplay between agonist and antagonist muscle group
C. Rapid, smooth progression from one movement to next
D. Relative intensities of separate movements *
E. Timing of motor activities

1174. A lesion of Wernicke’s area ( the posterior end of the superior temporal gyrus) in the categorical hemisphere causes patients to :

A. Experience imbalance
B. Loss of short term memory
C. Loss of the capacity to perceive faces
D. Speaking in a slow, halting voice
E. Talk rapidly but make little sense *

1175. Effects of Bilateral ablation of the amygadala include :

A. The person does not like to eat solid objects
B. The person has extreme curiosity about everything *
C. The person is afraid of anything
D. The person after has a week sex drive
E. The person’s memory remains normal

1176. Excitatory post synaptic potentials (EPSPs) occur due to :

A. Calcium outflux
B. Chloride influx
C. Potassium outflux
D. Sodium influx *
E. Sodium outflux

1177. Inability to feel the thermal sensation characteristically found in lesion of :

A. Dorsal column tract
B. Fasciculus cuneatus
C. Fasciculus gracilus
D. Spinothalamic tract *
E. Spinal leminiscus

1178. Upper motor neuron lesion would most likely result in :

A. Fasciculations
B. Hypertonia *
C. Hyporeflexia
D. Hypotonia
E. Normal-muscle tone

1179. 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

1180. Damage to the lateral spinothalamic tract could result in a lack of sensation of :

A. Referred pain
B. Proprioception
C. Weight discrimination
D. Pain and temperature *
E. Position