Question: A myogram is
a measurement of muscle tone.
a depiction of the results of a stress test.
a chart that shows how many muscle cells a neuron synapses with.
an instrument that detects the pattern in which neurons contact muscles.
a recording of the events of a twitch.
Answer: a recording of the events of a twitch.
Question: At a neuromuscular junction
actin and myosin filaments slide past one another.
intercalated discs are synthesized.
neurotransmitters are released.
neurotransmitters are synthesized.
troponin and tropomyosin exchange places.
Answer: neurotransmitters are released.
Question: The amount of oxygen liver cells require to react lactic acid to produce glucose or the glycogen glycogen is the
oxygen debt.
aerobic conversion.
refractory quantity.
lactate debt.
anaerobic concentration.
Answer: oxygen debt.
Question: Athletes usually experience muscle fatigue less quickly than nonathletes because they
make more efficient use of ATP.
convert glucose to lactic acid.
produce less lactic acid.
do not care about fatigue or pain.
tolerate high concentrations of carbon dioxide.
Answer: produce less lactic acid.
Question: creatine phosphate
supplies energy for the synthesis of ATP.
decomposes ADP.
binds to Ach receptors.
supplies energy for the breakdown of ATP to ADP.
decomposes ATP.
Answer: supplies energy for the synthesis of ATP.
Question: Transverse tubules and sarcoplasmic reticulum are well developed in
skeletal muscle fibers.
cardiac muscle fibers.
smooth muscle fibers.
motor neurons.
nervous muscle fibers.
Answer: skeletal muscle fibers.
Question:
Answer: stimulating skeletal muscle cells to release IL-6, which stimulates satellite cells to divide, producing more muscle cells.
Question:
Answer: cordlike and connects muscles to bones; a broad, fibrous sheet of connective tissue that connects muscles to muscles
Question: People with myasthenia gravis lack
dystrophin.
about two-thirds of the normal number of acetylcholine receptors
sarcomeres.
titin.
troponin.
Answer: about two-thirds of the normal number of acetylcholine receptors
Question: Threshold stimulus is the
none of the above.
amount of acetylcholine required to contract a muscle.
maximum stimulus to contract a muscle.
minimal amount of energy required to contract a muscle fiber.
maximum stimulus required to contract a muscle.
Answer: minimal amount of energy required to contract a muscle fiber.