Muscle Histology & Physiology
Practice Quiz A-06
Practice Quiz A-06
1. Muscle fibers contain myofibrils composed of actin and myosin filaments.
2. What is the name of the cellular membrane of a muscle fiber (cell)?
3. What is the name of the contracting unit of a muscle fiber?
4. What is the term that describes the repeated molecular movement that causes muscle contraction.
5. What is the name of the non-oxygen dependent process to breakdown glucose for the production of adenosine triphosphate (ATP)?
6. What percent of the ATP that is required while at rest is provided by Aerobic Respiration?
7. What is the specific name for a muscle contraction during which the muscle elongates?
8. What is the name of the protein in muscle that stores a small amount of excess oxygen?
9. What determines the number of muscle fibers in a given muscle?
10. What is the name of the condition in which the mass (size, bulk) of a muscle fiber decreases?
- A. True
- B. False
2. What is the name of the cellular membrane of a muscle fiber (cell)?
- A. Epimysium
- B. Perimysium
- C. Endomysium
- D. Sarcolemma
3. What is the name of the contracting unit of a muscle fiber?
- A. Sarcoplasmic Reticulum
- B. Fascicle
- C. Sarcomere
- D. Myoglobin
4. What is the term that describes the repeated molecular movement that causes muscle contraction.
- A. Anaerobic Glycolysis
- B. Cross-Bridge Cycling
- C. Muscle Fasciculation
- D. Isotonic Contraction
5. What is the name of the non-oxygen dependent process to breakdown glucose for the production of adenosine triphosphate (ATP)?
- A. Cross-Bridge Cycling
- B. Aerobic Respiration
- C. Active Transport
- D. Anaerobic Glycolysis
6. What percent of the ATP that is required while at rest is provided by Aerobic Respiration?
- A. 95%
- B. 75%
- C. 55%
- D. 35%
7. What is the specific name for a muscle contraction during which the muscle elongates?
- A. Concentric
- B. Isometric
- C. Eccentric
- D. Isotonic
8. What is the name of the protein in muscle that stores a small amount of excess oxygen?
- A. Hemoglobin
- B. Cytoglobin
- C. Neuroglobin
- D. Myoglobin
9. What determines the number of muscle fibers in a given muscle?
- A. Exercise
- B. Genetics
- C. Environment
- D. Nutrition
10. What is the name of the condition in which the mass (size, bulk) of a muscle fiber decreases?
- A. Hypertrophy
- B. Sarcopenia
- C. Atrophy
- D. Kwashiorkor
The correct answers are:
1-A, 2-D, 3-C, 4-B, 5-D, 6-A, 7-C, 8-D, 9-B, 10-C
1-A, 2-D, 3-C, 4-B, 5-D, 6-A, 7-C, 8-D, 9-B, 10-C