Histology-World!

 

 

 

Histology Testbank: Muscle 3

 

Instructions: For each histology question, pick the one best answer. This histology test bank is also useful for the histology questions on the USMLE (USMLE step 1). Click here for answers and detailed explanations.

1.
What is the plasma membrane of a muscle cell called?
a. Endomysium
b. Sarcolemma
c. Sarcoplasm
d. Perimysium
e. Epimysium

2. What are the thin filaments?
a. Myocardium
b. Myofibrils
c. Myofilaments
d. Muscle fibers
e. Myosin

3.
Which of the following is composed of skeletal muscle?
a. Tongue
b. Blood vessel
c. Walls of the visceral organs
d. Lower esophagus
e. Heart

4.
What type of muscle is composed of spindle shaped cells?
a. Skeletal muscle
b. Cardiac muscle
c. Smooth muscle
d. Both "a" and "b"
e. "a" "b" and "c"

5.
What type of muscle is always multinucleated?
a. Skeletal muscle
b. Cardiac muscle
c. Smooth muscle
d. Both "a" and "b"
e. "a" "b" and "c"

6.
Which fiber type is smaller in diameter?
a. Red fibers
b. White fibers
c. Intermediate fibers
d. All of the above
e. None of the above

7.
Which fiber type fatigues more readily?
a. Red fibers
b. White fibers
c. Intermediate fibers
d. All of the above
e. None of the above

8.
What type of muscle probably predominates in Charles Atlas, the worlds most famous power weight lifter?
a. Red fibers
b. White fibers
c. Intermediate fibers
d. All of the above
e. None of the above

9.
What is line that bisects the light band in muscle?
a. A band
b. I band
c. Z line
d. H band
e. M line

10.
What is the name of the tissue which surrounds muscle fascicles?
a. Perimysium
b. Periosteum
c. Perichondrium
d. Perineurium
e. Endosteum

Click here for answers and detailed explanations.