Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MCAT > Cell Biology 3 > Flashcards

Cell Biology 3 Flashcards

1
Q

Which of the following is not contained in the alpha lysosomal granule of platelets?

A

Factors that disrupt parasite membranes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following cell types are the largest of the leukocytes and have a kidney shaped nucleus?

A

Monocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Peripheral proteins form a cytoskeletal network in red blood cells and are bound to integral membrane proteins by which of the following:

A

Ankyrin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which of the following sequences represents the correct lineage for a neutrophil

A

Myeloblast, promyelocyte, myelocyte, metamyelocyte, band cell, neutrophil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

During the contraction of a sarcomere, shortening does not occur in which of the following?

A

A band only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

In neuromuscular spindles intrafusal fibers within the neuromuscular spindles are supplied by which of the following fibers?

A

Gamma fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

In a skeletal muscle fiber, which of the following functions to anchor actin to the sarcolemma?

A

Dystrophin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

In a skeletal muscle fiber, which of the following extends from one myofibril to another and to the sarcolemma?

A

Desmin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which of the following converts fibrinogen to fibrin?

A

Thrombin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The epineurium contains Type ___ collagen and the endoneurium contains Type ___ collagen.

A

I; III

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which of the following types of cells myelinate axons in the CNS?

A

Oligodendrocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of the following types of cells are associated with the blood brain barrier?

A

Astrocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

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

A

Corneal epithelium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following is a peripheral protein that helps maintain the biconcave shape of an erythrocyte?

A

Spectrin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following make up 60-70% of circulating leukocytes?

A

Neutrophils

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which of the following factors marks the end of both the intrinsic and extrinsic pathways?

A

Xa

17
Q

This protein extends from the Z band of a sarcomere and serves as a template to regulate the length of an actin filament.

A

Nebulin

18
Q

Which of the following cell types have a bilobed nucleus and specific granules containing major basic protein that disrupts parasite membranes?

A

Eosinophils

19
Q

Which of the following statements BEST describes the epineurium

A

It is a thin membrane surrounding a bundle of fascicles

20
Q

The axons of which of the following cells form the optic nerve?

A

Bipolar cells

21
Q

The cleaving of the non-helical terminal ends of procollagen, converting it into tropocollagen occurs where?

A

Immediately after secretion.

22
Q

Which of the following is NOT characteristic of fibrocartilage?

A

Type II collagen

23
Q

Which of the following is not a part of a Haversian system?

A

Periosteum

24
Q

Parathryroid hormone stimulates osteoblasts to secrete/express which of the following?

A

Only B and C (M-CSF and RANKL)

25
Q

Which of the following macromolecules is a negatively charged polysaccharide consisting of repeated disaccharide units that maintains large, water-filled spaces in the ECM of connective tissue?

A

Glycosaminoglycan

26
Q

Aqueous humor is first secreted into which of the following chambers of the eye?

A

Posterior chamber

27
Q

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

A

Sclera

28
Q

Which of the following types of collagen forms a meshwork in basement membranes

A

Type IV

29
Q

Which of the following is the enzyme in osteoclasts that catalyzes the production of hydrogen ion?

A

Carbonic anhydrase II

30
Q

Which of the following terms does not refer to mature bone?

A

Woven

MCAT (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions