Anatomy and Physiology for Health Professions Questions And Answers
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Course
Anatomy and Physiology
Institution
Anatomy And Physiology
The ____ originates on the sternum and clavicle inserts on the mastoid process
~ sternocleidomastoid
The muscle that inserts via the Achilles tendon is ____.
~ gastrocnemius
the ____, an elbow flexor, is the antagonist of the ____ and elbow extensor.
~ biceps brachii, triceps brachii
an...
Anatomy and Physiology for
Health Professions Questions
And Answers
The muscle tissue consists of two types of myofilaments called?
✓~ thick and thin myofilaments
The basic structural unit of skeletal muscle
✓~ sarcomere
When seen under a microscope, these units appear in skeletal muscle.
✓~ dark & light stripes, or
cross striations
Repeating units of sarcomeres are separated by these
✓~ Z lines or Z disks
The shortening of muscle fiber requires this form of energy:
, ✓~ ATP
The 3 primary functions of the muscular system:
✓~ movement,
posture or muscle tone, and heat production
A muscle's insertion bone moves toward?
✓~ its origin bone
Tension during muscle lengthening is called?
✓~ eccentric contraction
The muscle which is responsible for producing a particular movement.
✓~ the prime mover
The contraction which enables us to maintain our body position.
✓~ tonic contraction
,The contractions of the muscles produce most of this, which maintains the body
temperature.
✓~ heat
When the muscles contract too often, the stores of this energy become
depleted
✓~ ATP
The substance created when exercise requirements exceed the oxygen supply.
✓~ lactic acid
The type of contraction that most often results in movement of a joint
✓~ isotonic contraction
The type of contraction in which muscle does not shorten, and no movement
takes place
✓~ isometric contraction
This muscle forms the prominence over the shoulder & upper arm
, ✓~ the deltoid
This muscle is the primary flexor muscle of the forearm.
✓~ biceps brachii
The muscle which flexes and helps adduct the upper arm.
✓~ pectoralis major
The major muscle found in your buttocks.
✓~ gluteus maximus
This muscle extends the elbow.
✓~ triceps brachii
This muscle enables you to chew your food
✓~ masseter
This muscle enables you to raise your eyebrow
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