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Which of these pathways to regenerate ATP during muscle activity is the fastest:

Anaerobic glycolysis and lactic acid formation

Which muscle type moves bones and facial skin?


The type of muscle tissue pictured in Figure 6.3 is:

Smooth muscle

A sarcomere is:

The contractile unit between two Z discs

Primary action of the deltoid AND the movement of a limb away from the body midline:


Anaerobic glycolysis occurs without:


Which muscle type(s) do(es) NOT have striations?


Primary action of the rectus abdominis AND type of movement that decreases the angle of a joint:


The muscle tissue type that consists of single, very long, cylindrical, multinucleate cells with very obvious striations is:

Skeletal muscle only

Which of the following is NOT a function of the muscular system:


Which one of the following muscle actions would NOT be classified as an isotonic contraction:

Pushing against a stationary wall

The striations that give skeletal muscle its characteristics striped appearance are produced, for the most part, by:

The arrangement of myofilaments

Muscle tissue that has involuntary regulation of contraction is:

Cardiac muscle and smooth muscle

What type of membrane wraps a fascicle:


Which muscle type(s) is(are) voluntary?

Skeletal muscle

Place these structures of the skeletal muscle in order from largest to smallest:
1. fascicle
2. myofilament
3. muscle fiber
4. myofibril
5. sarcomere


Which muscle type has layers arranged both longitudinally and circularly to change shape and size?


True or False: Lactic acid results from aerobic respiration.


The condition of skeletal muscle fatigue can be best explained by:

Insufficient intracellular quantities of ATP due to excessive consumption.

Which of the following does not describe cardiac muscle tissue:

Attached to bones

Creatine phosphate (CP) functions within the muscle cells by:

Storing energy that will be transferred to ADP to resynthesize ATP as needed.

True or False: a contraction in which a skeletal muscle does not shorten but its tension increases is called isometric.


Which muscle type is only found in the heart?


The plasma membrane of a muscle cell is called the:


Which one of the following is composed of myosin protein:

Thick filaments

Type of movement that results when the forearm rotates laterally so that the palm faces anteriorly:


The movement of a bone around its longitudinal axis:


Type of movement that results when the forearm rotates medially so the palm faces posterioly:


The insertion of the gluteus maximus is the:


Which of the following muscles closes the jaw:

The masseter and the temporalis

Sandra is playing the piano for her recital. Which muscle is not involved in the movement of her hands and/or fingers:

Extensor digitorum longus

Which of the following muscles inserts on the calcaneus:

The soleus

Which one of the following does NOT compress the abdomen:

Latissimus dorsi

A muscle located on the ventral (anterior) side of the body is the:

Pectoralis major

A nursing infant develops a powerful sucking muscle that adults also use for the whistling or blowing a trumpet called the:


Which of these muscles is not responsible for flexion or extension of the arm:


A muscle group that works with and assists the action of a prime mover is a(n):

Synergist only

Which of the following muscles is not involved in dorsiflexion and/or plantar flexion of the foot:


Which one of the following is the action of the orbicularis oris:

Closes, purses, and protrudes the lips.

Paralysis of which of the following would make an individual unable to flex the thigh:

Iliopsoas and rectus femoris

Which one of the following muscles is involved in abduction of the arm at the shoulder joint:


Which of the following muscles adducts the thigh:

Adductor muscles

While doing "jumping jacks" during an exercise class, your arms and legs move laterally away from the midline of your body. This motion is called:


Which of the following muscles are antagonists

Biceps brachii and triceps brachii

Paralysis of which of the following would make an individual unable to flex the knee:

Hamstring muscle group

Which one of the following is NOT a criteria generally used in naming muscles:

Method of attachment of the muscle to bone

Connective tissue ensheating the entire muscle.


Connective tissue surrounding a fascicle.


Thin connective tissue investing each muscle cell.


Plasma membrane of the muscle cell


Cordlike extension of connective tissue beyond the muscle, serving to attach it to the bone.


A muscle cell


A discrete bundle of muscle cells.


A long, filamentous organelle found within muscle cells that has a banded appearance.


Contractile unit of muscle


Actin- or myosin-containing structure


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