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Histology > Exam 3 Review Questions > Flashcards

Exam 3 Review Questions Flashcards

1
Q

The optic nerve is a bundle of axon that originates from which of the following cell types?

A

Ganglion cells

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2
Q

Photosensitive pigments are associated with which of the following segments of a photosensitive cell?

A

Outer segment

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3
Q

Area of the highest visual acuity?

A

Fovea centralis

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4
Q

The lamina cribrosa is associated with which of the following layers of the eye?

A

Sclera

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5
Q

A stratified squamous, nonkeratinized epithelium with free nerve endings is characteristic of which of the following?

A

Corneal epithelium

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6
Q

The sensory layer of the ciliary body produces aqueous humor. This fluid is first secreted into which of the following chambers?

A

Posterior chamber

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7
Q

Which of the following structures participates in the fofrmation of endolymph in the scala media?

A

Stria vascularis

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8
Q

Endolymph is found in which of the following structures?

A

Ampullae of the semicircular canals

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9
Q

Which of the following structures attaches to the membrane over the oval window?

A

Stapes

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10
Q

The helicotrema connects which two compartments?

A

Scala vestibuli and scala tympani

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11
Q

Calcium carbonate crystals, known as otoliths, are found associated with which of the following 2 structures?

A

Macula of the utricle and saccule

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12
Q

The non-photosensitive area of the retina lies anterior to which of the following landmarks?

A

Ora serrata

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13
Q

Cell bodies of bipolar cells, horizontal cells, amacrine cells, and Mueller cells form which of the following layers of the retina?

A

Inner nuclear layer

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14
Q

Which of the following types of cells serve as interneurons that interconnect ganglion cells and bipolar cells?

A

Amacrine cells

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15
Q

Which of the following characteristics would apply to the secondary lymphoid nodules but not primary lymphoid nodules?

A

Germinal center

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16
Q

HIV selectively binds to CD4 antigens. Which of the following types of lymphocytes would be most directly affected by this virus?

A

Helper T cells

17
Q

If a child is exposed to measles and comes down with the infection, which of the following terms describes the type of immunity the child will develop?

A

Active, acquired

18
Q

Which of the following is the first type of antibody expressed by developing B cells?

A

IgM

19
Q

Which of the following cell types releases tumor necrosis factor, which is directly capable of killing tumor cells?

A

CD16+

20
Q

Which of the following structures serves as the entry point by which circulating lymphocytes seed the lymph node?

A

High endothelial venules HEVs

21
Q

Double-negative T cells which lack both CD4 and CD8 receptors proliferate in what area of the thymus?

A

Subscapsular

22
Q

Hassall’s corpuscles are characteristic only of which of the following areas?

A

Medulla of thymus

23
Q

Cords of Billroth are associated with what?

A

Red pulp of spleen

24
Q

The flow of red blood cells through the spleen?

A

Splenic artery, trabecular arteries, central arteries, penicillus, venous sinuses

25
Q

Which of the following cell types associated with merocrine sweat glands secrete water and electrolytes?

A

Basal cells

26
Q

Odorant building proteins are produced by>

A

Bowman’s glands

27
Q

The specific type of epithelium covering true vocal folds (cords)?

A

Stratified squamous non-keratinized epithelial tissue

28
Q

Describe the olfactory mucosa?

A

Pseudostratified columnar epithelium lacking goblet cells with no distinct basement membrane

29
Q

Is NOT a necessary part of the respiratory membrane?

A

Dust cells (pulmonary macrophages)

30
Q

Characteristic of an arteriole?

A

Thick tunica media in relation to size of lumen

31
Q

Where in the body of a normal, healthy individual would you expect most erythrophagocytosis to be occurring?

A

Cord of Billroth in spleen

32
Q

The simple cuboidal epithelium of this portion of the kidney tubule is composed of cells in the form of truncated pyramids which are characterized by basal striations that mark the location of mitochondria

A

Proximal convoluted tubule

33
Q

Renin is secreted by?

A

Juxtaglomerular cells

34
Q

NOT a characteristic of bronchioles?

A

Seromucous glands

Histology (11 decks)

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