Muscle test

Question 1

Ligaments attach

Answer 1

bone to bone

Question 2

Tendons attach

Answer 2

muscle to bone

Question 3

One of the functions of muscle tissue

Answer 3

movement, contractions

Question 4

Fascicles

Answer 4

individual bundles within each muscle

surrounded by perimysium

Question 5

Striated skeletal muscle tissue

Answer 5

.

Question 6

The function of calcium ions in skeletal muscle contraction is to

Answer 6

expos the myosin binding sites on actin filaments

Question 7

What’s involved in muscle contraction

Answer 7

1. shortening of sacromeres
2. contraction
3. pulling of muscle against its attachment

Question 8

A motor unit is

Answer 8

the motor neuron and muscle fiber it controls

Question 9

The muscle protein whose function is related to it’s golf club like shape is

Answer 9

myosin

Question 10

myofibril

Answer 10

thick filaments made up of myosin, actin

striated

Question 11

actin

Answer 11

globular protein with myosin binding cites

“pearls”

Question 12

sarcolemma

Answer 12

cell membrane

Question 13

myosin

Answer 13

globular cross bridges

“golf clubs”

Question 14

perimysium

Answer 14

surrounds individual bundles (fascicles)

Question 15

The pigment that stores oxygen in muscle cells is called

Answer 15

myoglobin

Question 16

Accumulates as the end product of anaerobic respiration in muscle cells

Answer 16

lactic acid

Question 17

Muscle fatigue occurs because

Answer 17

of an accumulation of lactic acid in the muscle

Question 18

A muscle cramp occurs because of

Answer 18

a lack of ATP required to return calcium ions

so the muscles will relax

Question 19

antagonists

Answer 19

opposing muscles

Question 20

origin

Answer 20

immovable end of muscle

Question 21

skeletal muscle

Answer 21

has origins and intersections

does all the work of moving

Question 22

smooth muscle

Answer 22

non-striated

1. undeveloped sarcoplasmic reticulum
2. slower to contract and relax

Question 23

synergist

Answer 23

helper muscles

Question 24

insertion

Answer 24

contractions pulls this towards the origin

Question 25

cardiac muscle

Answer 25

1. whole structure contracts as a unit
2. can contract for longer periods
3. has extra calcium

Question 26

trapezius

Answer 26

shoulder

Question 27

sternocldomastoid

Answer 27

neck

Question 28

gastrochnemius

Answer 28

calf

Question 29

gluteus maximus

Answer 29

butt

Question 30

deltoid

Answer 30

top of arm