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Flashcards in Practice qs Deck (20):
1

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

Sudan stain

2

What fixatives are used to crosslink by perfusion?

Formaldehye and glutaraldehyde

3

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

Plasma, serum

4

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

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

5

What is the destination of proteins produced by free ribosomes?

Cytosol

6

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

Nucleolus, reside on the surface of the nuclear envelope.

7

What kind of nucleus shape do columnar cells have?

Oval

8

What kind of nucleus shape do cuboidal cells have?

Round

9

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.

Same as: basal lamina

NOT: external lamina

10

The relaxed urothelium is often confused with what cell type?

Stratified cuboidal

11

The A band contains?

Actin and Myosin

12

The I band contains?

Actin

13

The H band contains?

Myosin

14

Do neutrophil granules stain with H&E?

No

15

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

macrophages, lymphocytes

16

chondroblasts secrete _____, while osteoblasts secrete _____.

Type II collagen, Type I collagen

17

What are two roles of integrins in cell locomotion?

1. As a transmembrane receptor connecting the extracellular matrix and the actin cytoskeleton

2. As a signaling center controlling actin polymerization and organization

18

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

Ca2+

19

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

displacement

20

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

Yes