35232997
Description
Quiz by Halima Mahmoud, updated more than 1 year ago
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Created by Halima Mahmoud
almost 3 years ago
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Question 1
Question
1. Visual acuity:
Answer
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a) Is greatest in yellow spot
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b) Is detected in myopia
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c) Is detected in astigmatism
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can be determined by seller letter chart
Question 2
Question
2. Neurons of the visual pathway are (mind the order
Answer
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a) Photosensitive cells
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b) Bipolar cells
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c) Ganglioncells
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d) Cells of the medial geniculate body of thalamus
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e) Purkinje cells
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f) Cells of the lateral geniculate body of thalamus
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g) Neurons of the visual cortex (Brodmann's area 17)
Question 3
Question
-3. Right optic radiation defect results in:
Answer
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a) Only from right retina
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b) Both right retinas
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c) Nasal half of left retina
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d) Temporal half of right retina
Question 4
Question
-8. Which sentence is right?
Answer
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a) Bone conduction of sound is compared to air conduction in Rinne test
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) Sound is heard “louder” in diseased ear in conduction in Weber test
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c) The main type of sound conduction is bone conduction
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d) The sound frequency audible in humans ranges from abouts 6 Hz to 20 Hz -
Question 5
Question
hair cells are located
Answer
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a) On tubular membrane of the organ of corti
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b) In middle ear
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c) semicircular canals
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d) In scala tympani
Question 6
Question
10. Which statements are right?
Answer
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a) Vestibular nystagmus can not be evoked in healthy individuals
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b) Direction of post-rotatory nystagmus is opposite to direction of former movement
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c) ... of relation maintaining visual function in vestibulo-ocular reflex
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d) ... of relation maintaining visual function in vertigo
Question 7
Question
-11. Which statements are right?
Answer
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a) Hair cells in utricle and saccule respond to circular (rotational) acceleration
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b) Hair cells in utricle and saccule respond to linear deceleration
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c) Semicircular canals respond to linear acceleration
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d) Semicircular canals respond to circular deceleration
Question 8
Question
-12. Sherrington division:
Answer
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a) Exteroceptive
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b) Epicritic
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c) Interoceptive
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d) Proprioceptive
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e) Protopraxic
Question 9
Question
-13. Pacinian corpuscle are characterized with:
Answer
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a) Small receptive field size
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b) Large receptive field size
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C) rapidly adapting characteristics
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d) Slowly adapting characteristics
Question 10
Question
-16. Which statements are correct?
Answer
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a) Climbing fiber inputs exert strong excitatory effect on single Purkinje cell
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b) Mossy fiber inputs exert a weak excitatory effect on many Purkinje cells via granule cells
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C) Climbing fibers come from inferior olivary nucleus
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d) Basket cells project to deep cerebellar nuclei
Question 11
Question
18. Symptoms of cerebellar defects are:
Answer
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a) Resting tremors
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b) Intention tremors
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c) Ataxia
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d) Adiadkinesia
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e) Aphasia
Question 12
Question
-19. Nociceptiva stimuli produces:
Answer
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a) Ipsilateral flexor reflex
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b) Ipsilateral extensor reflex
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c) Contralateralflexorreflex
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d) Contralateral extensor reflex
Question 13
Question
-20. Receptors of pain are
Answer
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a) Unimodal receptors located on Aδ-fibers
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b) Polymodal receptors located on C-fibers
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c) UnimodalreceptorslocatedonB-fibers
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d) Polimodal receptors located on Aγ-fibers
Question 14
Question
-21. Sharp, superficial pain;
Answer
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a) Is not transmitted to the cerebral cortex
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b) Is transmitted by unmyelinated C-fibers
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c) Is “bright”, easily located pain, transmitted by Aδ-fibres
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d) Is not modulated
Question 15
Question
22. Nociception;
Answer
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a) Is conducted thorough lateral spinothalamic tract
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b) Can be modulated in thalamus and cerebral cortex
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c) Is intensified by neurons of substantia gelatinosa (SG)
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d) Can be gated (inhibited) by non-nociceptive sensory fibers in posterior horn
Question 16
Question
-23. Which statements are right?
Answer
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a) Stretch reflex is a polysynaptic reflex
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b) Stretch reflex is a monosynaptic reflex
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c) Stretch reflex is released by Golgi tendon organ
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d) Stretch reflex is a defensive, withdrawal reflex
Question 17
Question
24. Sensation released to afferent pathways of the spinal cord
Answer
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a) All pathways from spinal cord to cerebral cortex pass through VPL
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b) They conduct exteroceptive, proprioceptive and teleceptive sensation
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c) Afferent pathway of the spinal cord is by crossed corticospinal tract
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d) Their 2nd neuron can be located in spinal cord or spinal medulla
Question 18
Question
-25. Alfa-motor neurons are:
Answer
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a) Innervating both intrafusal and extrafusal muscle cells
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b) Located in cerebellum and substantia nigra
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c) Fast,thick,myelinatedAα-fibers
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d) Located in anterior horn of the spinal cord
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