Question 1

Match the muscles that move the upper extremities and the muscles of the trunk with their function.
-Extends elbow

Accepted Answer

A)  Latissimus dorsi
B)  Deltoid
C)  Triceps brachii
D)  Pectoralis major
E)  Biceps brachiiF) Rectus abdominisG) External oblique

Question 2

Match the muscles that move the lower extremity with their function.
-Extends knee

Accepted Answer

A)  Tibialis anterior
B)  Iliopsoas
C)  Gastrocnemius
D)  Sartorius
E)  Adductor groupF) Hamstring groupG) Gluteus maximusH) Quadriceps group

Question 3

During strenuous exercise,the muscles' use of oxygen and nutrients can outstrip the blood's ability to supply them.

Accepted Answer

A) True 
 B)False

Question 4

Match the muscles that move the lower extremity with their function.
-Flexes thigh and rotates lower leg

Accepted Answer

A)  Tibialis anterior
B)  Iliopsoas
C)  Gastrocnemius
D)  Sartorius
E)  Adductor groupF) Hamstring groupG) Gluteus maximusH) Quadriceps group

Question 5

The pull of gravity assists the muscles in maintaining body posture.

Accepted Answer

A) True 
 B)False

Question 6

Groups of muscle fibers are called

Accepted Answer

A)   microfilaments
B)   fascia
C)   fascicles
D)   none of the above

Question 7

Moving a part of the body away from the midline of the body is called

Accepted Answer

A)   adduction
B)   abduction
C)   rotation
D)   pronation

Question 8

Raising your arm laterally away from your body is an example of adduction.

Accepted Answer

A) True 
 B)False

Question 9

Like skeletal muscles,cardiac muscles have intercalated disks.

Accepted Answer

A) True 
 B)False

Question 10

What part of the body does the pectoralis major move?

Accepted Answer

A)   Head and neck
B)   Upper extremities
C)   Trunk of the body
D)   Lower extremities

Question 11

When a muscle contraction occurs

Accepted Answer

A)   the actin gets shorter
B)   the myosin gets shorter
C)   the Z lines are pulled closer together
D)   both a and b

Question 12

The origin of a muscle is on the more stationary bone.

Accepted Answer

A) True 
 B)False

Question 13

What part of the body does the zygomaticus move?

Accepted Answer

A)   Head and neck
B)   Upper extremities
C)   Trunk of the body
D)   Lower extremities

Question 14

The thin myofilament in a muscle fiber is made of actin.

Accepted Answer

A) True 
 B)False

Question 15

Match the muscles that move the lower extremity with their function.
-Flexes knee

Accepted Answer

A)  Tibialis anterior
B)  Iliopsoas
C)  Gastrocnemius
D)  Sartorius
E)  Adductor groupF) Hamstring groupG) Gluteus maximusH) Quadriceps group

Question 16

Bursae and tendon sheaths have the same function.

Accepted Answer

A) True 
 B)False

Question 17

What part of the body does the deltoid move?

Accepted Answer

A)   Head and neck
B)   Upper extremities
C)   Trunk of the body
D)   Lower extremities

Question 18

Each shaftlike actin fiber has a "head" that sticks out toward the myosin fiber.

Accepted Answer

A) True 
 B)False

Question 19

Endurance training causes muscle hypertrophy.

Accepted Answer

A) True 
 B)False

Question 20

Skeletal muscles contain a substance called myoglobin that helps store oxygen.

Accepted Answer

A) True 
 B)False

Exam 8: Muscular System

Each shaftlike actin fiber has a "head" that sticks out toward the myosin fiber.

Correct AnswerverifiedShow Answer

Raising your arm laterally away from your body is an example of adduction.

Correct AnswerverifiedShow Answer

Like skeletal muscles,cardiac muscles have intercalated disks.

Correct AnswerverifiedShow Answer

What part of the body does the pectoralis major move?

Correct AnswerverifiedShow Answer

Match the muscles that move the lower extremity with their function. -Extends knee

Correct AnswerverifiedShow Answer

What part of the body does the deltoid move?

Correct AnswerverifiedShow Answer

What part of the body does the zygomaticus move?

Correct AnswerverifiedShow Answer

Groups of muscle fibers are called

Correct AnswerverifiedShow Answer

Skeletal muscles contain a substance called myoglobin that helps store oxygen.

Correct AnswerverifiedShow Answer

During strenuous exercise,the muscles' use of oxygen and nutrients can outstrip the blood's ability to supply them.

Correct AnswerverifiedShow Answer

The thin myofilament in a muscle fiber is made of actin.

Correct AnswerverifiedShow Answer

When a muscle contraction occurs

Correct AnswerverifiedShow Answer

The pull of gravity assists the muscles in maintaining body posture.

Correct AnswerverifiedShow Answer

Match the muscles that move the lower extremity with their function. -Flexes thigh and rotates lower leg

Correct AnswerverifiedShow Answer

Match the muscles that move the lower extremity with their function. -Flexes knee

Correct AnswerverifiedShow Answer

The origin of a muscle is on the more stationary bone.

Correct AnswerverifiedShow Answer

Match the muscles that move the upper extremities and the muscles of the trunk with their function. -Extends elbow

Correct AnswerverifiedShow Answer

Moving a part of the body away from the midline of the body is called

Correct AnswerverifiedShow Answer

Endurance training causes muscle hypertrophy.

Correct AnswerverifiedShow Answer

Bursae and tendon sheaths have the same function.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified