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Anatomy Topnotch Phase 0 > Histology > Flashcards

Histology Flashcards

1
Q

Azurophilic granules are most commonly associated with what

blood cell?

A

Neutrophil

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2
Q

During contraction of skeletal muscle, which of the following does
not change in length?

A

A band

Always constant

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3
Q

H zone, I band = umi-Hiksi (shortens) during contraction

A

H band

I band

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4
Q

Which of the following histologic characteristics distinguishes a
bronchus within the lung from Primary bronchus?

A

Irregular plates of hyaline

cartilage

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5
Q

Respiratory Portion of Lungs

A

BronchIOLE (RESPIRATORY)

Alveoli

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6
Q

The non-ciliated secretory cells which randomly interrupts the ciliated
epithelial lining of the bronchiolar mucosa are known as:

A

Clara/Club Cell

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7
Q

Cell of origin of respiratory (bronchogenic carcinomas)

ADENOcarcinoma

A

Ciliated cells

Goblet cells

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8
Q

Cell of origin of respiratory (bronchogenic carcinomas)

SMALL-CELL carcinoma

A

Kulchitsky cells
(enterochromaffin cells)

Secretes serotonin

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9
Q

Cell of origin of respiratory (bronchogenic carcinomas)

LARGE-CELL UNdifferentiated carcinomas

A

Basal cell

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10
Q

Macrophages in the lungs

A

Dust Cells

ALIKABOK!

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11
Q

Where is GASTRIN produced?

A

ANTRUM

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12
Q

Plica circularis or Valves of Kerckring is a feature of:

A

SMALL INTESTINE

Kerckring! :P

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13
Q

Space between sinus endothelium and hepatocytes?

A

Space of Disse

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14
Q

Endocrine Functions of Liver

A

IGF-1 Secretion
Vitamin D activation
Hormone metabolism
Cytokine secretion

Classic Hepatic Lobule (HE-HExagon)

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15
Q

Exocrine Functions of Liver

A

BILE salts synthesis and secretion

Portal Lobule
Portal PALABAS - EXO - TRIANGLE

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16
Q

Space in between hepatocytes

A

Bile Canaliculi

17
Q

Fat-storing cells in the liver

A

ITO cells or Hepatic Stellate cells
(contained in Space of Disse)

Kuppfer cells close to endothelium

18
Q

Known as the Rappaport Lobule

A

Portal Acinus

Blood Flow

Diamond-shaped

19
Q

Compose the PORTAL TRIAD

A

HEPATIC artery
PORTAL vein
BILE DUCT

Not central vein, okay?!

20
Q

Cell component that detoxifies drugs in the liver

A

SMOOOOOTH endoplastic reticulum

Not lysosome or peroxisome, okay?!

21
Q

EXOCRINE function of the PANCREAS is carried out by:

A

Acinar cells
Centroacinar cells
Intercalated ducts

Secrete digestive enzymes

22
Q

ENDOCRINE function of the PANCREAS is carried out by:

A

Islets of Langerhans

Alpha: Glucagon
Beta: Insulin
Delta: Somatostatin

23
Q

Which of the following cells within the glomerulus form the

filtration slits?

A

PODOCYTES

foot processes

24
Q

Difference of PCT and DCT histologically

A

Both are simple CUBOIDAL but PCT has:

BRUSH BORDERS - for greater SURFACE AREA REABSORPTION since majority of solutes are filtered here

PCT (Workhorse of the nephron)

25
Q

Which produces ERYTHROPOIETIN in the kidney?

A

MESANGIAL CELLS

26
Q

In cases of nerve fiber INJURY, what structure in the perikaryon will
be decreased in number?

A

Nissl Body

Actually ROUGH endoplasmic reticulum that are dissolved through CHROMATOLYSIS

27
Q

The Wallerian degenration is what type of degeneration?

A

ANTEROgrade

Axon and myelin sheath degenerate completely

28
Q

Source of myelin in CNS

A

OLIGOdendrocytes
(destroyed in MULTIPLE SCLEROSIS)

PNS - Schwann cells (destroyed in Guillain-Barre Syndrome)

29
Q

The most important supporting cell of the CNS important for

nutrition and protection:

A

PROTOplasmic astrocyte

30
Q

Melatonin is secreted by:

A

PINEAL GLAND

31
Q

Location of PINEAL GLAND?

A

Third ventricle

32
Q

Where are HASSALL’S CORPUSCLES located?

A

THYMIC MEDULLA

33
Q

What produces your AQUEOUS HUMOR in eye?

A

Ciliary process in ciliary body with ciliary muscle

Anatomy Topnotch Phase 0 (4 decks)

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