Q: Muscular System Flashcards
The cellular unit in the muscle tissue is the:
A) Myofibril
B) Fibre
C) Fasciculus
D) Filament
B) Fibre
It is ______ to completely relax every muscle in the human body.
A) Impossible
B) Possible
C) A good party trick
D) Worthwhile
A) Impossible
This type of muscle tissue lacks cross-striations:
A) Smooth
B) Cardiac
C) Skeletal
D) Contracting
A) Smooth
The following muscle type appears only in a single organ:
A) Smooth
B) Cardiac
C) Skeletal
D) Striated
B) Cardiac
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
B) The A- bands
Muscle movement that lifts an object involves an action known as:
A) Isometric
B) Eccentric
C) Isotonic
D) None of the above
C) Isotonic
Muscles that counteract or slow an action are called:
A) Fixators
B) Antagonists
C) Primary movers
D) Synergists
B) Antagonists
A muscle contraction is referred to as:
A) Isotonic motion
B) Latency
C) Synergy
D) A twitch
D) A twitch
The biceps femoris is located in:
A) the arm
B) the neck
C) the hamstring group
D) the hip
C) the hamstring group
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
B) Radius and ulna
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
A) Fascia
The following is NOT a type of muscle fascia:
A) Superficial fascia
B) Deep fascia
C) Subserous fascia
D) Loose fascia
D) Loose fascia
The following is NOT a type of muscle lever:
A) First class
B) Sixth class
C) Second class
D) Third class
B) Sixth class
Soreness in the muscles can be termed:
A) Muscle fatigue
B) Inflammation
C) Bursitis
D) None of the above
A) Muscle fatigue
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
A) Muscles becoming floppy, lacking their typical elasticity
The following is a condition of the muscular system:
A) Spasticity
B) Osteoporosis
C) Diabetes Type 1
D) Acne
A) Spasticity
Overstretching of a ligament is otherwise known as:
A) A sprain
B) Muscle fatigue
C) Cramps
D) Mastitis
A) A sprain
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
A) To produce heat
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
A) An individual muscle cell
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
B) The immovable attachment of a muscle, or the point at which a muscle is anchored by a tendon to the bone
