Chapter 7.5-7.7

Question 1

What is the term for muscles under conscious control, such as skeletal muscles?

Answer 1

Voluntary muscles

Question 2

What is the term for muscles not under complete voluntary control, such as smooth and cardiac muscles?

Answer 2

Involuntary muscles

Question 3

What muscle connects the mandible to the cranium and functions to close the jaw?

Answer 3

Temporalis masseter

Question 4

What muscles allow you to move your shoulders and tilt your head back?

Answer 4

Trapezius

Question 5

What are the muscles between the ribs?

Answer 5

Intercostal muscles

Question 6

What muscles are the largest of the chest muscles?

Answer 6

Pectoralis major

Question 7

What are the best known upper-arm muscles responsible for moving your forearm?

Answer 7

Biceps brachii

Question 8

What are the largest and strongest muscles in your whole body?

Answer 8

Gluteus maximus

Question 9

What is the muscle group in the front of your thigh that straightens the leg (when kicking, standing from squat, etc.)

Answer 9

Quadriceps femoris

Question 10

What are the three muscles in the back of the thigh that work together to bend the knee?

Answer 10

Hamstrings

Question 11

What is the largest muscle of the calf?

Answer 11

Gastrocnemius

Question 12

What is the tough, translucent sheath that binds muscles together?

Answer 12

Fascia

Question 13

What is the long cylinder that extends the length of the muscle cell in which the muscle contraction occurs?

Answer 13

Myofibrils

Question 14

What is the point at which a motor neuron connects to a muscle cell?

Answer 14

Neuromuscular junction

Question 15

What is the term for a motor neuron and the group of muscle cells it controls?

Answer 15

Motor unit

Question 16

What is the term for muscle degeneration?

Answer 16

Atrophy

Question 17

What causes most muscle atrophy?

Answer 17

Inactivity