Forwarded from AAU | Black Lion School of Medicine ππ
Which layer of the cornea is primarily responsible for maintaining its dehydration and transparency?
Anonymous Quiz
19%
Epithelium
28%
Bowman's layer
14%
Stroma
26%
Descemetβs membrane
12%
Endothelium
π2
Forwarded from AAU | Black Lion School of Medicine ππ
Which of the following structures of the eye is derived from neural ectoderm?
Anonymous Quiz
16%
Sclera
15%
Corneal stroma
54%
Retina
11%
Lens capsule
4%
Iris stroma
π2
Forwarded from AAU | Black Lion School of Medicine ππ
Which artery primarily supplies the inner two-thirds of the retina?
Anonymous Quiz
11%
Short posterior ciliary artery
50%
Central retinal artery
16%
Long posterior ciliary artery
12%
Anterior ciliary artery
12%
Ophthalmic artery
π2
Forwarded from AAU | Black Lion School of Medicine ππ
The fovea centralis is unique because:
Anonymous Quiz
16%
It contains only rod photoreceptors
7%
It is the thickest part of the retina
52%
It has a high density of cone photoreceptors
20%
It is avascular and relies solely on the central retinal artery
6%
It is located at the optic disc
π2β€1
Forwarded from AAU | Black Lion School of Medicine ππ
Which structure forms the majority of the eyeβs refractive power?
Anonymous Quiz
38%
Lens
35%
Cornea
14%
Aqueous humor
8%
Vitreous humor
4%
Iris
π2
Forwarded from AAU | Black Lion School of Medicine ππ
Which cranial nerve is responsible for carrying parasympathetic fibers to the ciliary ganglion controlling lens accommodation?
Anonymous Quiz
58%
CN III
8%
CN IV
17%
CN V1
7%
CN VI
10%
CN VII
π3
Forwarded from AAU | Black Lion School of Medicine ππ
Which cranial nerve is responsible for carrying parasympathetic fibers to the ciliary ganglion controlling lens accommodation?
Anonymous Quiz
58%
CN III
8%
CN IV
17%
CN V1
7%
CN VI
10%
CN VII
π1
Forwarded from AAU | Black Lion School of Medicine ππ
In the optic pathway, fibers from the nasal half of the retina:
Anonymous Quiz
15%
Remain ipsilateral
61%
Cross at the optic chiasm
17%
Synapse in the lateral geniculate nucleus directly
6%
Form the optic tract
1%
Enter the superior colliculus only
β€3
Forwarded from AAU | Black Lion School of Medicine ππ
The tensor tympani muscle is innervated by:
Anonymous Quiz
38%
CN V3 (mandibular branch)
42%
CN VII
11%
CN IX
6%
CN X
3%
CN XII
π1
Forwarded from AAU | Black Lion School of Medicine ππ
The macula of the utricle primarily detects:
Anonymous Quiz
21%
Angular acceleration in the horizontal plane
44%
Linear acceleration and head position
21%
Rotation of the head
10%
High-frequency sound
3%
Low-frequency sound
π1
Forwarded from AAU | Black Lion School of Medicine ππ
Which part of the cochlea contains endolymph and is rich in potassium?
Anonymous Quiz
22%
Scala vestibuli
19%
Scala tympani
50%
Scala media (cochlear duct)
6%
Oval window
3%
Round window
π2
Forwarded from AAU | Black Lion School of Medicine ππ
Which cranial nerve carries sensory information from the cochlea to the brain?
Anonymous Quiz
7%
CN V
11%
CN VII
75%
CN VIII
5%
CN IX
2%
CN X
π1
Forwarded from AAU | Black Lion School of Medicine ππ
Which ossicle articulates directly with the oval window?
Anonymous Quiz
14%
Malleus
14%
Incus
61%
Stapes
8%
Tympanic membrane
3%
Cochlear duct
β€1
Forwarded from AAU | Black Lion School of Medicine ππ
Which structure connects the middle ear to the nasopharynx to equalize pressure?
Anonymous Quiz
5%
External auditory canal
6%
Cochlear duct
85%
Eustachian tube
3%
Round window
2%
Oval window
β€1π1
Forwarded from AAU | Black Lion School of Medicine ππ
Which part of the ear is responsible for converting sound waves into neural signals?
Anonymous Quiz
14%
Tympanic membrane
53%
Cochlea
8%
Oval window
18%
Semicircular canals
7%
Auditory canal
π1
Forwarded from AAU | Black Lion School of Medicine ππ
Which amino acid is strictly ketogenic?
Anonymous Quiz
16%
Isoleucine
21%
Phenylalanine
22%
Tryptophan
29%
Lysine
11%
Tyrosine
π1
Forwarded from AAU | Black Lion School of Medicine ππ
Which molecule allosterically activates carbamoyl phosphate synthetase I (CPS-I)?
Anonymous Quiz
22%
Ornithine
15%
Arginine
42%
N-acetylglutamate
14%
Citrulline
7%
Glutamine
π2
A 6-year-old presents with a βslapped cheekβ rash. What is the cause?
Anonymous Quiz
18%
Rubella
16%
Measles
54%
Parvovirus B19
10%
Varicella
3%
Adenovirus
π2