Histology - USMLE- Muscle Tissue

25 Questions | By Ferna | Last updated: Mar 22, 2022 | Total Attempts: 3118

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1.

Which fiber type has more myoglobin?
- A.
  
  Red fibers
- B.
  
  White fibers
- C.
  
  Intermediate fibers
- D.
  
  All of the above
- E.
  
  None of the above
2.

Which fiber type gets its energy primarily from glycogen?
- A.
  
  Red fibers
- B.
  
  White fibers
- C.
  
  Intermediate fibers
- D.
  
  All of the above
- E.
  
  None of the above
3.

Where are satellite cells located ?
- A.
  
  On individual muscle fibres
- B.
  
  On a primary muscle bundle
- C.
  
  On the DCT of fascia
4.

Which fiber type is seen in skeletal muscle?
- A.
  
  Red fibers
- B.
  
  White fibers
- C.
  
  Intermediate fibers
- D.
  
  All of the above
- E.
  
  None of the above
5.

What is line that bisects the dark band in muscle?
- A.
  
  A band
- B.
  
  I band
- C.
  
  Z line
- D.
  
  H band
- E.
  
  M line
6.

What is the outer connective tissue covering of a muscle?
- A.
  
  Epimysium
- B.
  
  Sarcoplasm
- C.
  
  Perimysium
- D.
  
  Sarcolemma
- E.
  
  Endomysium
7.

What is myosin?
- A.
  
  Muscle fibers
- B.
  
  Myofibrils
- C.
  
  Myocardium
- D.
  
  Myofilament
- E.
  
  Muscle cell
8.

Where is cardiac muscle found?
- A.
  
  Myofilaments
- B.
  
  Myosin
- C.
  
  Muscle fibers
- D.
  
  Myofibrils
- E.
  
  Myocardium
9.

What type of muscle has visible cross striations?
- A.
  
  Skeletal muscle
- B.
  
  Cardiac muscle
- C.
  
  Smooth muscle
- D.
  
  Both "a" and "b"
- E.
  
  "a" "b" and "c"
10.

What type of muscle is specialized for contraction?
- A.
  
  Skeletal muscle
- B.
  
  Cardiac muscle
- C.
  
  Smooth muscle
- D.
  
  Both "a" and "b"
- E.
  
  "a" "b" and "c"
11.

What is released at a synapse?
- A.
  
  Motor unit
- B.
  
  Motor neuron
- C.
  
  Motor end plate
- D.
  
  Neuromuscular spindle
- E.
  
  Neurotransmitter
12.

Which fiber type is more resistant to fatigue?
- A.
  
  Red fibers
- B.
  
  White fibers
- C.
  
  Intermediate fibers
- D.
  
  All of the above
- E.
  
  None of the above
13.

Lance Armstrong is the seven time winner of the Tour de France. The Tour de France is a bicycle race which covers between 3500 to 4000 kilometers. What type of muscle fiber probably predominates in his legs?
- A.
  
  Red fibers
- B.
  
  White fibers
- C.
  
  Intermediate fibers
- D.
  
  All of the above
- E.
  
  None of the above
14.

What region is made of thin filaments?
- A.
  
  A band
- B.
  
  I band
- C.
  
  Z line
- D.
  
  H band
- E.
  
  M line
15.

On a cross section of a muscle, how many thin filaments surround each thick filament?
- A.
  
  2
- B.
  
  3
- C.
  
  4
- D.
  
  6
- E.
  
  8
16.

What is the plasma membrane of a muscle cell called?
- A.
  
  Endomysium
- B.
  
  Sarcolemma
- C.
  
  Sarcoplasm
- D.
  
  Perimysium
- E.
  
  Epimysium
17.

What are the thin filaments?
- A.
  
  Myocardium
- B.
  
  Myofibrils
- C.
  
  Myofilaments
- D.
  
  Muscle fibers
- E.
  
  Myosin
18.

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
19.

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"
20.

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"
21.

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
22.

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
23.

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
24.

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
25.

What is the name of the tissue which surrounds muscle fascicles?
- A.
  
  Perimysium
- B.
  
  Periosteum
- C.
  
  Perichondrium
- D.
  
  Perineurium
- E.
  
  Endosteum