With regard to efferent pupillary defect: a. the pupil reacts poorly to light and accommodation b. anisocoria is a feature c. the affected eye has poor distant vision d. a lesion in the sympathetic pathway is a recognized cause

With regard to efferent pupillary defect:
a. the pupil reacts poorly to light and accommodation
b. anisocoria is a feature
c. the affected eye has poor distant vision
d. a lesion in the sympathetic pathway is a recognized
cause
by

1 Answer

Answer :

a lesion in the sympathetic pathway is a recognized
cause
by

Related questions

In efferent pupillary defect: a. anisocoria is present b. the damage may be in the visual cortex c. the damage may be in the superior colliculus d. all above

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Last Answer : all above

The cranial nerve that is responsible for muscles that move the eye and lid is the _____________________ nerve. a) oculomotor The oculomotor (III) cranial nerve is also responsible for pupillary constriction and lens accommodation.

Description : The cranial nerve that is responsible for muscles that move the eye and lid is the _____________________ nerve. a) oculomotor The oculomotor (III) cranial nerve is also responsible for pupillary constriction ... (VII) nerve is responsible for salivation, tearing, taste, and sensation in the ear.

Last Answer : a) oculomotor The oculomotor (III) cranial nerve is also responsible for pupillary constriction and lens accommodation.

The following are true about the pupils: a. pupil size is largest in adolescence b. physiological anisocoria is found in 20% of the population c. the latent period of the pupil reaction to light ranges from 0.2 to 0.5s d. all above

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In a patient with dense cataract and poor retina view, the following tests can be used to test the macular function: a. relative afferent pupillary defect b. laser interferometry c. Haidinger brushes d. Visual evoked potential

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When light fell on the eye, the pupil: a. does not constrict if the optic nerve is severed b. does not respond if the sympathetic system is not functioning c. does not respond if the cholinergic system is blocked d. does not respond if the pretectal nucleus is damaged

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The following are true about pupillary reaction to light: a. it is impaired in damage of the Edinger-Westphal nucleus b. it is impaired in damage of the ciliary ganglion c. it is impaired in damage of the superior cervical ganglion d. the pupil does not respond to light with a frequency of greater than 5 H

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The ability of the eye to change the focal length of its lens to see distant object is _______ a)accommodation b)adjustment c)change d)pinch

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Last Answer : a)accommodation

During accommodation for near: a. the spherical aberration of the eye increases b. the ciliary muscle relaxes c. the field of vision decreases d. the amount of light entering the eye increases e. the thickness of the lens increases

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The following may explain why a patient who had had a relative afferent pupillary defect has normal pupillary reaction to light: a. removal of a cataract b. resolution of optic neuritis c. anterior ischaemic optic neuropathy in both eyes d. development of bilateral papilloedema

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Last Answer : anterior ischaemic optic neuropathy in both eyes

True statements about the pupil include: a. it is controlled mainly by the autonomic system b. miosis increases the depth of focus for near vision c. a change in the pupil diameter from 2 to 8 mm increases the amount of light entering the eye by 16- fold d. all above

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______ is the defect which occurs in eye due to excessive curvature of cornea and person is not able to see distant objects clearly . a)myopia b)hypermetropia c)squint d)cataract

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The effect of sympathetic nervous system include: a. contraction of the bladder detrusor muscle b pupillary dilatationc. reduced gastrointestinal motility d. constricts bronchiole smooth muscle

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Last Answer : pupillary dilatation

The effect of sympathetic nervous system include: a. contraction of the bladder detrusor muscle b pupillary dilatation c. reduced gastrointestinal motility d. constricts bronchiole smooth muscle

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Ability of the eye to see objects at all distances is called (a) Binocular vision (b) Myopia (c) Hypermetropia (d) Accommodation

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Direct light reflex of the pupil is absent in: a. lesion of the ipsilateral ciliary ganglion. b. transaction of the ipsilateral optic nerve. c. bilateral occipital lobe lesion. d. topical application of phenylepherine.

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Last Answer : lesion of the ipsilateral ciliary ganglion.

A 73-year-old man presents with an abrupt onset of double vision and left leg weakness. Examination shows weakness of abduction of the right eye, right-sided facial weakness affecting upper and lower parts of the face. He also has a left hemiparesis. Where is the lesion? A. left frontal lobe B. left lateral medulla C. right corpus striatum D. right midbrain E. right pons

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Last Answer : Ans: E

Relative afferent pupillary defect is seen in: a. age-related macular degeneration b. optic nerve glioma c. unilateral occipital lobe infarction d. third nerve palsy

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A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to alter the apparent motion of any distant object c. Maximizing the time spent looking in each sector to allow the maximum chance of detecting movement d. Maintaining as far as possible a lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

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The axons of the Purkinje cells in the cerebellar cortex: a. terminate in excitatory synapses b. terminate in cerebellar nuclei c. terminate in the spinal cord. d. form the main efferent pathway from the cerebellar cortex

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Last Answer : terminate in cerebellar nuclei

Which of the following depicts the correct pathway of transport of sperms? (a) Rete testis → Efferent ductules → Epididymis → Vas deferens (b) Rete testis → Epididymis → Efferent ductules → Vas deferens (c) Rete testis → Vas deferens → Efferent ductules → Epididymis (d) Efferent ductules → Rete testis → Vas deferens → Epididymis

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Last Answer : (a) Rete testis → Efferent ductules → Epididymis → Vas deferens

The sympathetic and parasympathetic systems exert functionally opposite influences on the following parameters except: A. Heart rate B. Atrial refractory period C. Pupil diameter D. Intestinal motility

Description : The sympathetic and parasympathetic systems exert functionally opposite influences on the following parameters except: A. Heart rate B. Atrial refractory period C. Pupil diameter D. Intestinal motility

Last Answer : B. Atrial refractory period

The sympathetic and parasympathetic systems exert functionally opposite influences on the following parameters except: A. Heart rate B. Atrial refractory period C. Pupil diameter D. Intestinal motility

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A 9 years-old boy has a small white discolouration on his maxillary central incisor. The lesion is most probably, A. Hypocalcification due to trauma of the primary predecessor B. Hypoplasia due to acute systemic infection when 6-12 months old C. Defect during the histo differentiation stage of development D. Defect during the morho differentiation stage of development

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Commonest lesion which hinders vision in diabetic retinopathy is: a. Macular oedema b. Microaneurysm c. Retinal hemorrhage d. Retinal detachment

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With regard to the autonomic nervous system: a. the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves b. the preganglionic sympathetic fibres are usually longer than preganglionic parasympathetic fibres c. acetylcholine is the neurotransmitter at the ganglia of both sympathetic and parasympathetic nervous system d. botulin toxin blocks acetylcholine receptors

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Last Answer : the dorsal root ganglia is made up mainly of the cell bodies of the sympathetic nerves

Refsum’s disease results from a defect in the following pathway except (A) Alpha-oxidation of fatty acids (B) Beta-oxidation of fatty acids (C) Gamma-oxidation of fatty acids (D) Omega-oxidation of fatty acids

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Last Answer : Answer : A

When a person enters a dark room from bright light he is not able to see clearly for little while because ______ A. Eye is unable to adjust itself immediately B. Retina becomes insensitive momentarily C. Iris is unable to dilate the pupil immediately D. Distance between the lens and retina take time to adjust

Description : When a person enters a dark room from bright light he is not able to see clearly for little while because ______ A. Eye is unable to adjust itself immediately B. Retina becomes insensitive ... is unable to dilate the pupil immediately D. Distance between the lens and retina take time to adjust

Last Answer : ANSWER: C

When a person enters a dark room from bright light, he is not able to see clearly for a little while because the (a) eye is unable to adjust itself immediately (b) retina becomes insensitive momentarily (c) iris is unable to dilate the pupil immediately (d) distance between the lens and retina takes time to adjust

Description : When a person enters a dark room from bright light, he is not able to see clearly for a little while because the (a) eye is unable to adjust itself immediately (b) retina becomes insensitive ... is unable to dilate the pupil immediately (d) distance between the lens and retina takes time to adjust

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When a person enters a dark room from bright light he is not able to see clearly for a little while because the? A. Eye is unable to adjust itself immediately B. Retina becomes insensitive momentarily C. Iris is unable to dilate the pupil immediately (Answer) D. Distance between the lens and retina take time to adjust

Description : When a person enters a dark room from bright light he is not able to see clearly for a little while because the? A. Eye is unable to adjust itself immediately B. Retina becomes insensitive ... to dilate the pupil immediately (Answer) D. Distance between the lens and retina take time to adjust

Last Answer : C. Iris is unable to dilate the pupil immediately (Answer)

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Last Answer : the vertical muscles of the eye are more commonly involved than the horizontal muscles

Function of iris is to (a) move lens forward and backward (b) refract light rays (c) bring about movements of eye lids (d) alter the size of pupil.

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Last Answer : (a) pupil

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Last Answer : a)iris

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Description : A far-sighted person, without optical correction, is typically able to see nearby objects more clearly in bright light. The reason for this phenomena is: w) bright light provides better ... bright light causes squinting which flattens the eyeball which tends to correct the far-sighted condition.

Last Answer : ANSWER: X -- THE PUPIL OF THE EYE NARROWS WHICH INCREASES THE DEPTH OF FOCUS

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Last Answer : ANSWER: B -- Midbrain

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Description : A colour-blind person cannot – (1) See distant objects (2) See black colour (3) Distinguish between certain colours (4) Have persistence of vision

Last Answer : (3) Distinguish between certain colours Explanation: Colour blindness or colour vision deficiency is the inability or decreased ability to see coluor, or perceive colour differences, under normal lighting ... to the optic nerve. This type of colour blindness is usually a sex-linked condition.

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Last Answer : distinguish between certain colours

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Last Answer : b. More common in males than females

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Marked redistribution is a feature of: A. Highly lipid soluble drugs B. Poorly lipid soluble drugs C. Depot preparations D. Highly plasma protein bound drugs

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Anisocoria?

Description : Anisocoria?

Last Answer : DefinitionAnisocoria is unequal pupil size. The pupil is the black part in the center of the eye. It gets larger in dim light and smaller in bright light.Alternative NamesEnlargement of one pupil; Pupils of ... .Unequal pupil sizes of more than 1 mm, that develop later in life and do NOT return

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Last Answer : answer:

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Description : Papilloedema has all the following characteristics except: a. Marked loss of vision b. Blurring of disc margins c. Hyperemia of disc d. Field defect 

Last Answer : ANSWER: A