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PHYS/HISTO 3 > HISTO 3 > Flashcards

HISTO 3 Flashcards

1
Q

Endolymph is found in which of the following structures?

A

Ampullae of the semicircular canals

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2
Q

Which of the following structures participates in the formation of endolymph?

A

Stria Vascularis

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3
Q

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

A

Stapes

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4
Q

The helicotrema connects which of the two compartments listed below?

A

Scala vestibuli and scala tympani

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5
Q

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

A

Macula of the urticle and saccule

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6
Q

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

A

Germinal center

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7
Q

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

A

Helper T cells

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8
Q

Which of the following complement factors is the most important opsonin?

A

C3b

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9
Q

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

A

Active, acquired

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10
Q

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

A

IgM

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11
Q

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

A

CD16+

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12
Q

Which of the following is CORRECT regarding opsonins?

A

Opsonins main function is to coat the antigens to make them more palatable to phagocytes

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13
Q

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

A

High endothelial venules

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14
Q

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

A

Subcapsular

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15
Q

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

A

Medulla of thymus

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16
Q

Cords of Billroth are associated with which of the following?

A

Red pulp of spleen

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17
Q

Which of the following sequences best describes the flow of red blood cells through the spleen?

A

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

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18
Q

Which of the following is CORRECT regarding the Billroth cords?

A

Has macrophages that will destroy the defective red blood cells

19
Q

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

A

Basal Cells

20
Q

Odorant binding proteins are produced by which of the following?

A

Bowman’s glands

21
Q

The specific type of epithelium covering the true vocal folds is represented by which of the following?

A

Stratified squamous non-keratinized epithelial tissue

22
Q

The specific type of epithelium covering the false vocal folds is represented by which of the following?

A

Psuedostratified ciliated epithelium

23
Q

The specific type of epithelium in the mucosa is represented by which of the following?

A

Pseudostratified ciliated columnar epithelium

24
Q

Where is MALT found?

A

submucosa

25
Q

Renin is secreted by which of the following?

A

Juxtaglomerular cells

26
Q

Which of the following is NOT a function of mesangial cells?

A

Production of angiotensin II

27
Q

Which of the following types of cells are found only in the bronchioles and secrete a surface-active lipoprotein that prevents collapse of terminal bronchioles during exhalation?

A

Clara cell

28
Q

Of the circulating blood cell types, which of the following is an active ameboid phagocyte, characterized by numerous small specific granules and larger less numerous azurophilic granules?

A

Neutrophil

29
Q

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

A

Sclera

30
Q

Which of the following are derived from mesoderm and secrete dentine?

A

Odontoblasts

31
Q

Which of the following lingual papillae are located along the sulcus terminalis of the tongue projections surrounded by a moat (circular furrow)?

A

Circumvallate

32
Q

Where is the Meissner’s plexus located?

A

Submucosa

33
Q

The myenteric plexus (of Auerbach) regulates the size of the lumen and the rhythmic movement of the GI tract which of the following best describes its location within the gut wall

A

Between the circular and longitudinal layers of smooth muscle

34
Q

Pancreatic acini secrete enzymes and a bicarbonate-rich alkaline fluid. Release of the bicarbonate-rich fluid from the acinar ductal cells is stimulated by which of the following?

A

Secretin

35
Q

Which of the following cells, located in the basal crypts, contain prominent eosinophilic granules and produce lysozyme to control intestinal flora?

A

Paneth cells

36
Q

Which of the following is not part of a portal triad?

A

Hepatic sinusoid

37
Q

Which of the following kinds of cells is unique to the pancreas and is associated with the intercalated ducts?

A

Centroacinar cells

38
Q

In the portal lobule organization of the liver parenchyma, which of the following forms the center of the lobule?

A

Bile duct in the portal triad

39
Q

Which of the following spaces separates hepatocytes from the endothelial cells in the hepatic lobules?

A

Space of disse

40
Q

Which of the following types of cells are found only in the bronchioles and secrete a surface-active lipoprotein that prevents collapse of terminal bronchioles during exhalation?

A

Clara cells

41
Q

In the classic hepatic lobule the central venule receives blood from which of the following?

A

Branches of both hepatic artery and portal vein

42
Q

The otolithic membrane of the middle ear is associated with which of the following structures?

A

Macula of saccule

43
Q

Which of the following best describes the interpapillary pegs associated with the integument?

A

They are downward growths of the epidermis

44
Q

Fenestrated capillaries would NOT be characterized by which of the following?

A

The basal lamina is discontinuous

PHYS/HISTO 3 (2 decks)

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