Muscular Physiology Vocabulary Test II

20 Questions | By John_Mitchell_WV | Last updated: Nov 26, 2017 | Total Attempts: 51

Welcome to the electronic frontier for the 21st century. This testing instrument deals with strictly with 75 vocabulary terms related to the physiology of muscles. You will have an unlimited number of attempts to increase your knowledge and test-taking skills. Each attempt results in a new set of questions and rearranged answers. I wish you well to earn high marks and learn how muscles operate.

Questions and Answers

1.

_____ _____ theory describe a process used by muscles to contract. It is a cycle of repetitive event that cause a thin filament to slide over a thick filament and generate tension in the muscles.
- A.
  
  Muscle Contraction
- B.
  
  Slide Fibril
- C.
  
  Sliding Filament
- D.
  
  Muscle Relaxation
2.

_____ is a reddish pigment similar to the pigment, hemoglobin that gives blood cells it's red color.
3.

White muscle fibers containing little _____; also called faster fibers are nerve fibers with a thick myelin sheath.
- A.
  
  Myoglobin
- B.
  
  Hemoglobin
- C.
  
  Lymphocytes
- D.
  
  Thyrotropin
4.

Malic acid is formed during anaerobic respiration results in the formation of an incompletely catabolized molecule.
- A.
  
  True
- B.
  
  False
5.

Red fibers contain a high concentration of myoglobin. The thick myofilaments are composed of Type I myosin that reacts at a _____ rate.
- A.
  
  Slow
- B.
  
  Fast
- C.
  
  Intermediate
- D.
  
  Very fast
6.

_____ _____ contains very little myoglobin. These fibers can contract more rapidly due to myosin (Type IIx), T tubules and SR.
- A.
  
  Fast fibers (white fibers)
- B.
  
  Fast fibers (red fibers)
- C.
  
  Slow fibers (blue fibers)
- D.
  
  Fast fibers (blue fibers)
- E.
  
  Slow fibers (yellow fibers)
7.

_____ fibers have characteristics between slow and fast fibers. They are fatique resistant and generates quick force.
- A.
  
  Slow
- B.
  
  Fast
- C.
  
  Intermediate
- D.
  
  Slower
- E.
  
  Faster
8.

_____ _____are points at which motor neurons connect to the sarcolemma to form the neuromuscular junction.
- A.
  
  Motor endplate
- B.
  
  Motor unit
- C.
  
  Myophy measurment
- D.
  
  Latent period
- E.
  
  Electromyography
9.

_____ _____ is a functional unit composed of a single motor neuron with the muscle cells it innervates.
- A.
  
  Motor endplate
- B.
  
  Motor unit
- C.
  
  Myophy measurment
- D.
  
  Latent period
- E.
  
  Electromyography
10.

_____ _____ is a term that means "muscle graphing", is a procedure in which the force or tension of an isolated muscle is recorded.
- A.
  
  Motor endplate
- B.
  
  Motor unit
- C.
  
  Myophy measurment
- D.
  
  Myography
- E.
  
  Electromyography
11.

_____ _____ is a technique for evaluating and recording the electrical activity produced by skeletal muscles.
- A.
  
  Motor endplate
- B.
  
  Motor unit
- C.
  
  Myophy measurment
- D.
  
  Myography
- E.
  
  Electromyography
12.

What is a brief, contractile response of a skeletal muscle elicited by a single maximal volley of impulses in the neurons supplying it called?
- A.
  
  Electromyography
- B.
  
  Twitch Contraction
- C.
  
  Twitch Relaxation
- D.
  
  Latent Period
- E.
  
  Treppe
13.

What is the period between time a muscle fiber is stimulated and when it contracts called?
- A.
  
  Electromyography
- B.
  
  Twitch Contraction
- C.
  
  Twitch Relaxation
- D.
  
  Latent Period
- E.
  
  Treppe
14.

What is an gradual increase in the extent of muscular contraction following rapidly stimulations; also called staircase phenomenon called a(n)_____.
- A.
  
  Electromyography
- B.
  
  Twitch Contraction
- C.
  
  Twitch Relaxation
- D.
  
  Latent Period
- E.
  
  Treppe
15.

What is the state of exhaustion produced by strenumous muscular activity is called a(n)_____ _____.
- A.
  
  Muscle fatigue
- B.
  
  Tetanic contractions
- C.
  
  Tonic contractions
- D.
  
  Isotonic contractions
- E.
  
  Muscle tone
16.

_____ _____ is a continual, partial contraction in a muscle organ.
- A.
  
  Muscle fatigue
- B.
  
  Tetanic contractions
- C.
  
  Tonic contractions
- D.
  
  Isotonic contractions
- E.
  
  Muscle tone
17.

_____ _____ is the low level of continuous contract characteristic of the muscles of normal individuals when they are awake.
- A.
  
  Muscle fatigue
- B.
  
  Tetanic contractions
- C.
  
  Tonic contractions
- D.
  
  Isotonic contractions
- E.
  
  Muscle tone
18.

Flaccid muscles have _____ tone than normal. (HINT: please enter your answer(s) in all lower case letters.)
19.

_____ muscle(s) have more than normal tone. (HINT: please enter your answer(s) in all lower case letters.)
20.

Graded Strength Principle occurs when skeletal muscles contract with varying degrees of strength at same times.
- A.
  
  True
- B.
  
  False