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Ch 6 Muscular System

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