Muscles

Question 0

Motor neuron fiber innervation

Answer 0

AEGIS (alpha=extrafusal; gamma=intrafusal)

Question 1

Predominantly inhibitory; facilitate lateral inhibition

Answer 1

Renshaw cell

Question 2

Detects muscle length and rate of change in muscle length

Answer 2

Muscle spindle

Question 3

Detects changes in muscles tension

Answer 3

Golgi tendon

Question 4

Plasma membrane that surrounds a muscle fiber

Answer 4

Sarcolemma

Question 5

Invaginations of sarcolemma in close proximity to the terminal cisternse of the sarcoplasmic reticulum

Answer 5

Transerse tubules

Question 6

Sarcoplasmic reticulum

Answer 6

Endoplasmic reticulum surrounding myofibril

Question 7

Functional unit of the muscle

Answer 7

Sarcomere

Question 8

Thick filaments

Answer 8

Myosin

Question 9

Thin filaments

Answer 9

Actin,tropomyosin, troponin

Question 10

Attaches troponin complex to tropomyosin

Answer 10

Troponin T

Question 11

Inhibits actin myosin bindig

Answer 11

Troponin I

Question 12

Calcium binding protein

Answer 12

Troponin C

Question 13

Tethers myosin to Z line

Answer 13

Titin

Question 14

Stabilized sarcolemma and prevents contraction induced rupture

Answer 14

Dystrophin

Question 15

Binds actin to z lines

Answer 15

Activin

Question 16

Binds z lines to sarcolemma

Answer 16

Desmin

Question 17

Acts as a molecular ruler that sets the length of actin during assembly

Answer 17

Nebulin

Question 18

All muscles fibefs innervated by a single motor nerve

Answer 18

Motor unit

Question 19

Two major propioceptors

Answer 19

Muscle spindle, golgi tendon organ

Question 20

Detects changes in muscle tension

Answer 20

Golgi tendon

Question 21

Detecta changes in muscle length and rate of change of muscle length

Answer 21

Muscle spindles