Muscle microstructure, etc.

Question 1

What are the 3 main muscle types?

Answer 1

m

Question 2

What is smooth muscle? Where is it found?

Answer 2

m

Question 3

What is cardiac muscle? Where is it found?

Answer 3

n

Question 4

What is skeletal muscle? Where is it found?

Answer 4

m

Question 5

What are the 4 main arrangements of muscles?

Answer 5

m

Question 6

What are the 3 types of pennate muscles?

Answer 6

m

Question 7

What is the structure of skeletal muscle, going from microscopic to macroscopic?

Answer 7

m

Question 8

What is the epimysium?

Answer 8

m

Question 9

What is the perimysium?

Answer 9

m

Question 10

What is the endomysium?

Answer 10

m

Question 11

What is sarcolemma?

Answer 11

m

Question 12

What are t-tubules?

Answer 12

m

Question 13

What’s sarcoplasm?

Answer 13

m

Question 14

What is the sarcoplasmic reticulum?

Answer 14

m

Question 15

What is a fascicle?

Answer 15

m

Question 16

What is a myofibre?

Answer 16

m

Question 17

What is a myofibril?

Answer 17

m

Question 18

What is a myofilament?

Answer 18

m

Question 19

What are the “thin” filaments in myofibrils?

Answer 19

m

Question 20

What are the “thick” filaments in myofibrils?

Answer 20

m

Question 21

Why do muscles have a striated appearance?

Answer 21

m

Question 22

What are sarcomeres?

Answer 22

m

Question 23

What is a Z disc?

Answer 23

m

Question 24

What is an A band?

Answer 24

m

Question 25

What is an I band?

Answer 25

m

Question 26

What is an M line?

Answer 26

m

Question 27

What is a H zone?

Answer 27

m

Question 28

What is the structure of myosin?

Answer 28

m

Question 29

What is the structure of actin?

Answer 29

m

Question 30

What were the indications of the sliding filament theory for muscle contraction?

Answer 30

m

Question 31

What initiates muscle contraction?

Answer 31

m

Question 32

How does calcium play a role in initiating muscle contraction?

Answer 32

m

Question 33

How does acetylcholine play a role in initiating muscle contraction?

Answer 33

m

Question 34

How do muscle action potentials cause calcium release for muscle contraction?

Answer 34

m

Question 35

How does calcium affect troponin + tropomyosin?

Answer 35

m

Question 36

How does the brain control muscle contraction?

Answer 36

m

Question 37

What is a motor unit?

Answer 37

m

Question 38

What 3 factors are used to classify motor units?

Answer 38

m

Question 39

What are the 2 mechanisms used by the brain to regulate force that a single muscle can produce?

Answer 39

m

Question 40

What is meant by muscle "recruitment"?

Answer 40

m

Question 41

What is meant by motor unit "rate coding"?

Answer 41

m

Question 42

What else does a motor neurone do besides innervating a motor unit?

Answer 42

m

Question 43

What are the 3 main types of muscle contraction?

Answer 43

m

Question 44

What is an isometric muscle contraction?

Answer 44

m

Question 45

What is an concentric muscle contraction?

Answer 45

m

Question 46

What is an eccentric muscle contraction?

Answer 46

m

Question 47

What is a fast twitch muscle?

Answer 47

m

Question 48

What is a slow twitch muscle?

Answer 48

m

Question 49

Change in Motor units...

Answer 49

m