Chapter 15 & 16

Question 1

The outermost layer of connective tissue of a muscle is the
a. fasicle
b. endomysium
c. epimysium
d. perimysium

Answer 1

b. epimysium

Question 2

The thick myofibril filament of a sacromere is composed of the protein
a. myosin
b. actin
c. titin
d. sacrolemma

Answer 2

a. myosin

Question 3

The muscle primarily responsible for an action is the
a. synergist
b. agonist
c. antagonist
d. origin

Answer 3

b. agonist

Question 4

The neuron and the muscle fibers it innervates is called the
a. neural impulse
b. muscle fiber
c. motor neuron
d. motor unit

Answer 4

d. motor unit

Question 5

the functional contractile unit of a muscle fiber (cell) is the
a. sarcoplasm
b. sarcolema
c. sarcomere
d. sarcoplasmic reticulum

Answer 5

c. sarcomere

Question 6

Bundles of muscler fibers are called
a. fascicles
b. cells
c. myofibrils
d. myofilaments

Answer 6

a. fasicles

Question 7

The action of a particular muscle is always the same
A. True
B. False

Answer 7

false

Question 8

a synergistic muscle contraction assists the agonist
a. true
b. false

Answer 8

true

Question 9

The plasma membrane of a muscle fiber (cell) is called the sarcolemma
a. true
b. false