Study the above diagram which shows the pathway of neural impulses from each eye to the visual cortex in the brain. Suppose that a patient had a brain tumour that damaged the left optic tract so that impulses did not reach the left occipital lobe. What symptoms would the patient show? Blindness in the right portion of the visual field of both eyes. Blindness in the left portion of the visual field of both eyes. Total blindness in the left eye.
Study the above diagram which shows the pathway of neural impulses from each eye to the visual cortex in the brain. Suppose that a patient had a brain tumour that damaged the left optic tract so that impulses did not reach the left occipital lobe. What symptoms would the patient show? Blindness in the right portion of the visual field of both eyes. Blindness in the left portion of the visual field of both eyes. Total blindness in the left eye.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1.) The middle ear chamber is an air-filled “hole in the head”, which is adapted to allow free movement of the tympanum as it vibrates. Unless the pressure in the chamber is equal to atmospheric pressure outside, the tympanum will be stretched outward or inward, impeding itsvibration and causing discomfort or pain.
When moving up in the elevator of a tall building, the surrounding atmospheric pressure is:
a) increasing causing air to enter the middle ear chamber through the Eustachian tube.
B.) increasing causing air to enter the middle ear chamber through the auditory canal
C.)decreasing causing air to leave the middle chamber through the Eustachian tube
D.) decreasing causing air to leave the middle ear chamber through the auditory canal
Ques 2 and 3 are in the picture
Transcribed Image Text:ocipitallobe.
of cerabrum
occipitallebe
of carebrum
(viaul corte
visual cortan
lateral gerioulate
Pucleus
lateral geniculate
nuclous
bah stem
ptictact
optc tract
ptic chiaim
optic nerve
cptic nerve
rotina
ratina
lens
lers
laft aya
ight aya
Study the above diagram which shows the pathway of neural impulses from each eye to the visual cortex in
the brain. Suppose that a patient had a brain tumour that damaged the left optic tract so that impulses did not
reach the left occipital lobe. What symptoms would the patient show?
Blindness in the right portion of the visual field of both eyes.
Blindness in the left portion of the visual field of both eyes.
Total blindness in the left eye.
Total blindness in the right eye.
Transcribed Image Text:The lens of the eye consists of a thin outer capsule which contains a clear substance made of proteins. A
cataract develops if the substance inside the capsule becomes cloudy and reduces the amount of light that
passes through. Early cataract surgery involved removing the entire lens and prescribing glasses with a
very thick corrective lens to take its place. With modern techniques, only the cloudy contents of the lens
are removed and an artificial lens made of plastic is implanted inside the capsule.
Although modern surgery removes the need for a very thick corrective lens, glasses are still required
for distance vision because the implanted lens does not accommodate
for near vision because the implanted lens does not accommodate
to compensate for scar tissue on the cornea resulting from surgery
to compensate for the changes in the retina caused by the surgery
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