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Cells to Tissues > Practice qs > Flashcards

Practice qs Flashcards

1
Q

What stain is used for lipid soluble (lipid) items?

A

Sudan stain

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2
Q

What fixatives are used to crosslink by perfusion?

A

Formaldehye and glutaraldehyde

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3
Q

Following centrifugation, at the top of the tube with anticoagulant is _______, while at the top of the tube without anticoagulant is _______.

A

Plasma, serum

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4
Q

What remains unstained in neutrophils in a Wright stain? How do RBCs stain?

A

Granules are unstained. RBCs (and thus other eosinophilic granules!) will stain greyish

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5
Q

What is the destination of proteins produced by free ribosomes?

A

Cytosol

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6
Q

Where are ribosomes made? Where do they reside after manufacture?

A

Nucleolus, reside on the surface of the nuclear envelope.

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7
Q

What kind of nucleus shape do columnar cells have?

A

Oval

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8
Q

What kind of nucleus shape do cuboidal cells have?

A

Round

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9
Q

The basement membrane is also called the _____ ______. It is similar to but is not the same as the ______ ______ which is found on muscle cells, adipocytes, and supporting cells of PNS.

A

Same as: basal lamina

NOT: external lamina

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10
Q

The relaxed urothelium is often confused with what cell type?

A

Stratified cuboidal

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11
Q

The A band contains?

A

Actin and Myosin

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12
Q

The I band contains?

A

Actin

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13
Q

The H band contains?

A

Myosin

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14
Q

Do neutrophil granules stain with H&E?

A

No

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15
Q

Monocytes and lymphocytes in peripheral blood can enter connective tissue where they become _____ and _____, respectively.

A

macrophages, lymphocytes

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16
Q

chondroblasts secrete _____, while osteoblasts secrete _____.

A

Type II collagen, Type I collagen

17
Q

What are two roles of integrins in cell locomotion?

A
  1. As a transmembrane receptor connecting the extracellular matrix and the actin cytoskeleton
  2. As a signaling center controlling actin polymerization and organization
18
Q

At the normal resting potential of a cell, which ion has the largest driving force across the cell membrane?

A

Ca2+

19
Q

The power stroke is associated with the _______ of the hydrolysis products ADP and Pi from myosin.

A

displacement

20
Q

Does the tension in titin increase with increasing sarcomere length in skeletal muscle?

A

Yes

Cells to Tissues (23 decks)

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