Brainscape's Knowledge GenomeTM

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


See full index

ToB > Muscle > Flashcards

Muscle Flashcards

1
Q

What are 4 keys features of muscle?

A

Thermogenesis
Mobility
Circulation
Bodily functions (Digestion, Respiration, Urination, Vision, Childbirth)

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

What is Myalgia?

A

Muscle pain

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

What is Myasthenia?

A

Muscle weakness

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

What are the 3 layers of the heart?

A

Endocardium, Myocardium, Epicardium

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

What is Myopathy?

A

Any disease of the muscles

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

What is Myoclonus?

A

Sudden spam of muscles

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

What is a Sarcolemma?

A

Outer membrane of a muscle cell

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

What is a Sarcoplam?

A

Cytoplasm of a muscle cell

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

What is the Sarcoplasmic Reticulum?

A

SER of a muscle cell

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

What muscle type is under involuntary control?

A

Cardiac and Smooth

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

What muscle type has fusiform shape?

A

Smooth

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

What muscle type has cylindrical shape?

A

Skeletal (long)(arranged into fascicles) and Cardiac (short)

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

What type of muscle is striated?

A

Skeletal and Cardiac

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

What muscle type has multinucleated, peripheral nuclei?

A

Skeletal

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

What muscle type has single central nuclei?

A

Smooth

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

What muscle type has rapid forceful contractions?

A

Skeletal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What muscle type has variable rhythmic contractions?

A

Cardiac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What muscle type has slow, sustained or rhythmic contractions?

A

Smooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What muscle type can undergo mitosis?

A

Smooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Hypertrophy can be achieved by both __ and __ muscle types, via __ and __.

A

Skeletal and Cardiac.

Satellite cells and sarcomerogenesis.

21
Q

Red fibers are mainly found in which muscles?

A

Postural muscles

22
Q

White fibers are mainly found in which muscles?

A

Extraocullar muscles

23
Q

Intermediate fibers are mainly found in which muscles?

A

Major leg muscles

24
Q

What fiber type is responsible for slow movements?

A

Red

25
Q

What fiber type is responsible for fast movements?

A

White

26
Q

What type of respiration occurs in White fibers?

A

Anaerobic

27
Q

What type of respiration occurs in Red fibers?

A

Oxidative Phosphorylation (Aerobic)

28
Q

What CT surrounds bundles of fascicles? (outer most layer, contiguous with tendon)

A

Epimysium

29
Q

What CT surrounds each fascicle?

A

Perimysium

30
Q

What CT surrounds each individual muscle fiber?

A

Endomysium

31
Q

Form: In __ muscles, the origin is wider than the point of insertion.

A

Convergent

32
Q

Give an example of a convergent muscle.

A

Pectoralis major

33
Q

Give an example of a circular muscle.

A

Sphincter

34
Q

Parallel-fusiform muscles like the __ are __ in the middle

A

Biceps. Wider

35
Q

The rectus femoris has which form?

A

Bipennate

36
Q

The deltoid has which form?

A

Multipennate

37
Q

Unipennate muscles have their fibers arranged in a __ direction onto the tendon.

A

Diagonal

38
Q

The Sartorius muscle has which form?

A

Parallel (non-fusiform)

39
Q

What muscle type has central nuclei?

A

Cardiac (1 or 2) and Smooth

40
Q

What are the contractile unit of skeletal muscle?

A

Sarcomere

41
Q

What are Z discs made of?

A

Actin

42
Q

I bands have actin, whereas A bands have __

A

Mixture of actin and myosin

43
Q

What do Z discs delineate?

A

Sarcomere

44
Q

What band is found inside the light H band?

A

M band

45
Q

What is the main component of thick filaments?

A

Myosin

46
Q

What is the main component of thin filaments? What are the other 2 components?

A

Actin.

Troponin and Tropomyosin

47
Q

What triggers the contraction process?

A

Increase in intracellular calcium

48
Q

Describe the contraction process.

A

Increase in intracellular calcium > causes conformational change to tropomyosin > reveals myosin-binding sites on actin molecule > actin and myosin can now interact

ToB (1 decks)

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