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Flashcards in Quiz 6 Deck (20):
1

the elbow is an example of what kind of joint

hinge

2

what type of joint is found between the carpal bones?

gliding

3

a movement away from the body

abduction

4

an extension past the anatomical position is known as

hyperextension

5

which is the following movements is a good example of abduction

spreading the fingers

6

which of the following movements is a good example of flexion?

moving the hand towards the shoulder

7

to pinch with the finger and thumb involves a movement called

opposition

8

lifting a stone with the tip of the foot is

dorsiflexion

9

which of the following is a recognized function of the skeletal muscle

all of the above

10

which of the following statements is incorrect?

skeletal muscles are responsible for the pumping action of the heart

11

the delicate connective tissue that surrounds the skeletal muscle fibers and ties adjacent muscle fibers together is the

endomysium

12

muscle fibers differ from “typical cells” in that muscle fibers

have many nuclei

13

the dense layer of connective tissue that surrounds the entire skeletal muscle is the

epimysium

14

nerves and blood vessels that service the muscle fibers are located in the connective tissues of the

perimysium

15

the advantage of having many nuclei in a skeletal muscle fiber is

the ability to produce large amounts of the muscle proteins needed for muscle contraction

16

the plasma membrane of skeletal muscle is called the

sarcolemma

17

at the end of each muscle, the collagen fibers of the epimysium come together to form a

tendon

18

which of the following is greater?

the concentration of calcium ion in the endoplasmic reticulum of a resting muscle

19

composed mostly of actin

thin filaments

20

composed mostly of myosin

thick filaments