Chapter 3, Problem 5RQ

Which of the following does NOT have striated muscles? a. abdomen  b. arm c. hamstring d. liver

A.What type of contractions do skeletal muscles do? B. What type of contractions do cardiac muscles do? C.a. What type of contractions do smooth muscles do?

Which of the following best describes the response of the circular muscle layer to distention of the jejunum to a volume slightly less than that which causes pain?   A) Contraction above and below the point of distention B) Contraction above and relaxation below the point of distention C) Contraction above and no response below the point of distention D) Relaxation above and below the point of distention E) Relaxation above and contraction below the point of distention

Identify the type of muscle found in the picture (choices: smooth muscle, skeletal muscle, or cardiac muscle) 1.2.3.

Which of the following statements about skeletal muscle is CORRECT? Select one: a. An increase in Na+ concentration in the cytosol starts muscle filament sliding. b. The muscle is non-striated and involuntary. c. The muscle is involved in shivering thermogenesis. d. The muscle contracts in response to parasympathetic stimulation. e. The muscle contracts in response to hormones.

Two muscles have the same diameter, but one is twice as long as the other. Which  muscle produces more work? Explain your answer.

Polymyositis is a muscle disease characterized by the simultaneous inflammation and weakening of voluntary muscles in many parts of the body. _______________ _______________ _______________ _______________

Why might stretching a cramping muscle INCREASE the cramping, as well as why would contracting the opposing muscle rapidly improve the situation? Don't copy from Google

What do you mean by skeletal muscles?