Quiz: Muscle Contraction

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Quiz: Muscle Contraction
Alexandra Bozan
Quiz by Alexandra Bozan, updated more than 1 year ago
Alexandra Bozan
Created by Alexandra Bozan almost 7 years ago
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Resource summary

Question 1

Question
Aerobic respiration
Answer
  • allows the body to avoid the use of oxygen for a short time.
  • results in the formation of an incompletely catabolized molecule.
  • results in the formation of lactic acid.
  • produces the maximum amount of energy available from each glucose molecule.

Question 2

Question
Treppe is also called:
Answer
  • tetanus.
  • electromyography.
  • wave summation.
  • staircase phenomenon.

Question 3

Question
The ion necessary for cross-bridging is:
Answer
  • iron.
  • sodium.
  • potassium.
  • calcium.

Question 4

Question
The degree of a muscle’s strength is influenced by many factors, including its metabolic condition and number of motor units recruited.
Answer
  • True
  • False

Question 5

Question
Which of the following is also known as striated muscle?
Answer
  • smooth muscle
  • skeletal muscle
  • involuntary muscle
  • visceral muscle

Question 6

Question
The striations seen in skeletal muscle cells under the microscope are what part of the sarcomere?
Answer
  • Z-lines
  • A-bands
  • I-bands
  • All of the above

Question 7

Question
For continued, efficient nutrient catabolism by muscle fibers, both glucose and oxygen are required
Answer
  • True
  • False

Question 8

Question
The ability of muscle cells to respond to nerve stimulus is called:
Answer
  • irritability.
  • contractility.
  • extensibility.
  • elasticity.

Question 9

Question
Recruitment is the term used to describe the addition of more motor units to allow a muscle to increase its strength of contraction.
Answer
  • True
  • False

Question 10

Question
The neurotransmitter(s) secreted at the motor end-plates of skeletal muscles is/are
Answer
  • dopamine.
  • norepinephrine.
  • acetylcholine.
  • could be any of the above.

Question 11

Question
Hemoglobin carries oxygen in the red blood cell and myoglobin stores oxygen in the muscle fiber.
Answer
  • True
  • False

Question 12

Question
Muscles contract more forcefully after they have contracted a few times.
Answer
  • True
  • False

Question 13

Question
A tetanic contraction is stimulated by a single stimulus
Answer
  • True
  • False
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