21) This type of muscle may be affected by rhabdomyolysis.
A) skeletal muscle
B) smooth muscle
C) cardiac muscle
22) This type of muscle, along with cardiac muscle, is called visceral muscle.
A) skeletal muscle
B) smooth muscle
C) cardiac muscle
23) This type of muscle composes the largest share of muscle weight in the human body.
A) skeletal muscle
B) smooth muscle
C) cardiac muscle
24) The biceps and the deltoid muscle are of this type.
A) skeletal muscle
B) smooth muscle
C) cardiac muscle
25) Contractions of these muscles are under voluntary control.
A) skeletal muscle
B) smooth muscle
C) cardiac muscle
26) Much of the natural elasticity of skeletal muscle tissue is provided by
A) actin.
B) myosin.
C) tendons.
D) connective tissue sheaths.
27) Which of these is
not
in direct contact with thick myofilaments?
A) myosin
B) actin
C) ATPase
D) synaptic vesicles
28) Sarcoplasmic reticulum lies
A) between fibers but in myofilaments.
B) between myofibrils but in fibers.
C) between fascicles but outside fibers.
D) between muscles but in myofilaments.
29) Which statement about muscle attachments is
false?
A) An insertion can be at either attachment point of a muscle, depending on body position and the movement being performed.
B) At least one joint is present between an origin and insertion.
C) Insertions are usually distal to the origin.
D) Upon contraction, the origin is pulled toward the insertion.
30) An aponeurosis
A) connects a muscle to underlying structures through a flat sheet or web.
B) consists of a neuron and all the muscle fibers it innervates.
C) is a type of direct attachment of muscle to bone.
D) is the junction between the axon terminus of a neuron to an individual muscle fiber.