Deck 9: Muscular System

Question 1

Skeletal muscles are:

A) attached to bones and produce movement.
B) attached to bones and are static and non-moving.
C) attached to other muscles and facilitate the other muscles' movements.
D) attached to bones and are called involuntary muscle.

Answer 1

attached to bones and produce movement.

Question 2

Cardiac muscle:

A) can be found in various areas of the body to help pump blood throughout the circulatory system.
B) is considered a voluntary muscle.
C) is found only in the heart and is considered an involuntary muscle.
D) are long branches that fit loosely together to promote the conduction of electrical signals.

Answer 2

is found only in the heart and is considered an involuntary muscle.

Question 3

Which of the following is not a way muscles form attachments to other structures?

A) The tendon attaches the muscle to the bone.
B) The tendon attaches the muscle to the organs.
C) The muscles attach directly (without a tendon) to a bone or to soft tissue.
D) A flat sheetlike fascia called asponeurosis connects muscle to muscle or muscle to bone.

Answer 3

The tendon attaches the muscle to the organs.

Question 4

Individual muscle fibers are found within the fascicles and are surrounded by a third layer of connective tissue called the:

A) tendon.
B) epimysium.
C) aponeurosis.
D) endomysium.

Question 5

What is another term for the increase in the size of a muscle due to overuse?

A) atrophy
B) synergist
C) hypertrophy
D) contracture

Question 6

What is the term used to describe an abnormal formation of fibrous tissues in muscles that prevents normal mobility?

A) contracture
B) atrophy
C) insertion
D) origin

Question 7

Which of the following is the longest muscle in the body and is used to sit cross-legged?

A) pectineius
B) gluteus maximus
C) sartorius
D) iliopsoas

Question 8

Which of the following muscles extends from the corner of the mouth to the cheekbone and is a smiling muscle?

A) temporalis
B) masseter
C) platysma
D) zygomaticus

Question 9

Which of the following muscles forms the shoulder pads and helps raise the arms in the "scarecrow" position; it also flexes and extends the arm?

A) deltoid
B) pectoralis major
C) latissimus dorsi
D) teres major

Question 10

Which muscles produce movement of extremities, maintain body posture, and stabilize joints?

A) smooth muscles
B) muscles that are nonstriated and involuntary
C) skeletal muscles
D) striated muscles that are involuntar