Answer Options:
the sarcoplasmic reticulum
a myofibril
a my
ofilament
a sarcomere
Answer: a sarcomere
Question: This bone is connected (by ligaments) to the ________.
Answer: tibia and femur
Question: Immediately following the arrival of the stimulus at a skeletal muscle cell there is a short period called the ________ period during which the neurotransmitter is released by exocytosis, diffuses across the synaptic cleft, and binds to its receptors.
Answer Options:
a) relaxation
b) contraction
c) latent
d) refractory
Answer: c) latent
Question: Name the muscle that is the prime mover of dorsiflexion of the foot.
Answer: Tibialis anterior
Question: What is the functional unit of a skeletal muscle called?
Answer: The correct answer is “a sarcomere”.
Question: Which of the following surrounds the individual muscle cell?
Answer Options:
a) perimysium
b) epimysium
c) endomysium
d) fascicle
Answer: c) endomysium
Question: Which muscle is involved in frowning?
Answer Options:
Depressor anguli oris
Levator labii superioris
Frontalis
Zygomaticus major
Answer: Depressor anguli oris
Question: The portion of the sternum that joins with the clavicles is the ________.
Answer Options:
Body
Sternal angle
Manubrium
Xiphoid process
Answer: Manubrium
Question: Which cranial bone is named after the secretions that clean and lubricate the eyeballs (tears)?
Answer: lacrimal
Question: What is a muscle that provides the major force for producing a specific movement called?
Answer Options:
a) a synergist
b) a fixator
c) an agonist
d) an antagonist
Answer: c) an agonist
Question: This bone is connected (by ligaments) to the ________.
Answer Options:
humerus and ulna
sternum
tibia and femur
Answer: tibia and femur
Question: Which compartment does bone belong to?
Answer Options:
Fat Free Mass
Fat Mass
Answer: Fat Free Mass
Question: Which cranial bone is named after the secretions that clean and lubricate the eyeballs (tears)?
Answer Options:
lacrimal
lacrima
lacrimal bone
Answer: lacrimal bone
Question: If a lever operates at a mechanical disadvantage, it means that the ________.
Answer Options:
a) lever system is useless
b) effort is farther than the load from the fulcrum
c) load is far from the fulcrum and the effort is applied near the fulcrum
d) load is near the fulcrum and the effort is at the distal end
Answer: c) load is far from the fulcrum and the effort is applied near the fulcrum
Question: What is a muscle that provides the major force for producing a specific movement called?
Answer Options:
a) a synergist
b) a fixator
c) an agonist
d) an antagonist
Answer: c) an agonist
Question: Which of the following surrounds the individual muscle cell?
Answer Options:
a) perimysium
b) epimysium
c) endomysium
d) fascicle
Answer: c) endomysium