A. Chemicals that are manufactured in the nerve cell body
B. Chemicals that are manufactured by the myelin sheath of axon
C. Transfer information from one neuron to another across synapse
D. Exhibit both excitatory and inhibitory action
2. Which of the following neurotransmitters exhibits excitatory action, transmits pleasurable sensation and inhibits pain transmission?
A. Gamma-aminobutyric acid (GA B A )
B. Dopamine
C. Serotonin
D. Endorphin
3. The lobe of the brain that contains the primary sensory cortex, which analyzes sensory information is the:
A. Frontal lobe
B. Parietal lobe
C. Temporal lobe
D. Occipital lobe
4. The part of the brain, which is responsible for coordination of movement is:
A. Brainstem
B. Cerebellum
C. Thalamus
D. Hypothalamus
5. After a head injury a patient has lost his recent memory. Which lobe of the brain
is affected?
A. Frontal
B. Occipital
C. Parietal
D. Temporal
6. The heat regulatory center is located in the:
A. Thalamus
B. Hypothalamus
C. Limbic system
D. Medulla
7. What is the function of the cranial nerve IV?
A. Hearing
B. Vision
C. Eye movement
D. Chewing
8. The cranial nerve that is responsible for hearing and maintaining balance is the:
A. Trochlear
B. Vestibulocochlear
C. Trigerninal
D. Vagus
9. Drooping eyelid (Ptosisl is a disorder of which cranial nerve?
A.CNLII
B. CN V
C. CN VI
D. CN VIII
10.A chalazion is treated by:
A. Application of antibiotic ointment
B. Injection of corticosteroids in the lesion
C. Incision and curettage
D. Either B or C
11.In corneal transplantation the corneal
A. A synthetic polymer
B. Taken from a human cadaver eyes
C. Taken from pig's eyes
D. Taken from monkey's eyes
12.Which of the following symptoms a patient with cataract may report?
A. Loss of peripheral vision
B. Glare which is worse at night
C. Floaters in eyes
D. Halos around lights
13.The visual defect that occurs from a decrease in the accommodative ability
of the eye due to aging is termed as:
A. Myopia
B. Hyperopia
C. Presbyopia
D. Amblyopia
14.The cause of presbyopia is:
A. Degeneration of retina in the elderly
B. Decreased refractive ability of the cornea
C. Reduced elasticity of the lens with aging
D. Onset of early opacity in crystalline lens eye
15.Presbyopia is treated by:
A. Convex lens
B. Concave lens
C. Both convex and concave
D. Refractive surgery
16.A patient has undergone cataract extraction by phacoemulsification folio wed by an intraocular lens implantation.Postoperatively after how many weeksthe corrective lens will be prescribed?
A. 2 weeks
B. 4 weeks
C. 8 weeks
D. 12 weeks
Answers and Rationlas
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