Ch 10: Muscular

Question 1

Muscle fibre

Answer 1

One skeletal muscle cell

Question 2

Endomysium

Answer 2

Connective tissue that covers each muscle fibre

Question 3

Fascicles

Answer 3

Bundles of muscle fibres

Question 4

Perimysium

Answer 4

A sheath of tougher connective tissue that encases the fascicles

Question 5

Epimycium

Answer 5

Another layer of connective tissue. it surrounds the muscle as a whole and binds all the muscle fibres together.

Question 6

Connective tissue that surrounds the outside of the epimycium

Answer 6

Fascia
-deep fascia
-superficial fascia

Question 7

Direct muscle attachment

Answer 7

Muscle fibres merge with the periosteum forming a strong attachment

Question 8

Indirect muscle attachment

Answer 8

The epimysium extends past the muscle as a tendon, THEN merges with the periosteum

Question 9

Neurotransmitter involved in muscle fibre contraction

Answer 9

Acetylcholine

Question 10

Isometric

Answer 10

Tension increases, length stays the same

Question 11

Isotonic

Answer 11

Tension remains the same, length decreases

Question 12

Muscle origin

Answer 12

The end of the muscle that attaches to the more stationary bone

Question 13

Muscle belly

Answer 13

Midsection of the muscle

Question 14

Muscle insertion

Answer 14

The end of the muscle that attaches to the more moveable bone

Question 15

Prime movers

Answer 15

The main muscle triggering the movement

Question 16

Synergists

Answer 16

Muscles that are assisting

Question 17

Muscle antagonists

Answer 17

The muscle that opposes the action of the prime mover. When the prime mover contracts the antagonist must relax

Question 18

Muscle structure from inside out

Answer 18

-muscle fiber
-endomysium
-fascicles
-perimysium
-epimysium
-fascia