Q: Muscular System

Question 1

The cellular unit in the muscle tissue is the:

A) Myofibril
B) Fibre
C) Fasciculus
D) Filament

Answer 1

B) Fibre

Question 2

It is ______ to completely relax every muscle in the human body.

A) Impossible
B) Possible
C) A good party trick
D) Worthwhile

Answer 2

A) Impossible

Question 3

This type of muscle tissue lacks cross-striations:

A) Smooth
B) Cardiac
C) Skeletal
D) Contracting

Answer 3

A) Smooth

Question 4

The following muscle type appears only in a single organ:

A) Smooth
B) Cardiac
C) Skeletal
D) Striated

Answer 4

B) Cardiac

Question 5

This part of the muscle doesn’t change during contractions:

A) The H- zone
B) The A- bands
C) The I- bands
D) The Z- lines

Answer 5

B) The A- bands

Question 6

Muscle movement that lifts an object involves an action known as:

A) Isometric
B) Eccentric
C) Isotonic
D) None of the above

Answer 6

C) Isotonic

Question 7

Muscles that counteract or slow an action are called:

A) Fixators
B) Antagonists
C) Primary movers
D) Synergists

Answer 7

B) Antagonists

Question 8

A muscle contraction is referred to as:

A) Isotonic motion
B) Latency
C) Synergy
D) A twitch

Answer 8

D) A twitch

Question 9

The biceps femoris is located in:

A) the arm
B) the neck
C) the hamstring group
D) the hip

Answer 9

C) the hamstring group

Question 10

Which of the following are insertions for the triceps and biceps brachii?

A) Humerus and ulna
B) Radius and ulna
C) Scapula and humerus
D) Radius only

Answer 10

B) Radius and ulna

Question 11

Muscle fibres (or cells) are held together by connective tissue and enclosed in a fibrous sheath called:

A) Fascia
B) Peyer’s Patches
C) Cilia
D) None of the above

Answer 11

A) Fascia

Question 12

The following is NOT a type of muscle fascia:

A) Superficial fascia
B) Deep fascia
C) Subserous fascia
D) Loose fascia

Answer 12

D) Loose fascia

Question 13

The following is NOT a type of muscle lever:

A) First class
B) Sixth class
C) Second class
D) Third class

Answer 13

B) Sixth class

Question 14

Soreness in the muscles can be termed:

A) Muscle fatigue
B) Inflammation
C) Bursitis
D) None of the above

Answer 14

A) Muscle fatigue

Question 15

The effects of Atony can be:

A) Muscles becoming floppy, lacking their typical elasticity
B) Muscle twitching
C) Muscles move faster than before
D) All of the above

Answer 15

A) Muscles becoming floppy, lacking their typical elasticity

Question 16

The following is a condition of the muscular system:

A) Spasticity
B) Osteoporosis
C) Diabetes Type 1
D) Acne

Answer 16

A) Spasticity

Question 17

Overstretching of a ligament is otherwise known as:

A) A sprain
B) Muscle fatigue
C) Cramps
D) Mastitis

Answer 17

A) A sprain

Question 18

A function of the muscular system is:

A) To produce heat
B) To protect the body against infections
C) To send hormone messages around the body
D) To enable breathing

Answer 18

A) To produce heat

Question 19

A muscle fibre is:

A) An individual muscle cell
B) Loose or areolar, connective tissue that holds muscle fibres together to form a muscle
C) An elastic connective tissue that supports joints and anchors organs
D) None of the above

Answer 19

A) An individual muscle cell

Question 20

The origin of a muscle is:

A) The cellular cytoplasm in a muscle fibre
B) The immovable attachment of a muscle, or the point at which a muscle is anchored by a tendon to the bone
C) The end of the muscle that is attached to the bone which moves
D) None of the above

Answer 20

B) The immovable attachment of a muscle, or the point at which a muscle is anchored by a tendon to the bone