Exercise Physiology - Qp4
12 Questions
| Attempts: 198
Questions and Answers
- 1.The myofibrils are embedded in the cell’s sarcoplasm.
- A.
True
- B.
False
- 2.Sarcomeres have a highly organised structure and is composed of ______ protein-based myofilaments.
- A.
Two
- B.
Three
- C.
Four
- 3.The brain and spinal cord are referred to as the ______ nervous system.
- A.
Parasympathetic
- B.
Sympathetic
- C.
Central
- D.
Autonomic
- 4.Motor neurones (nerves) are made up of three parts: (Select two)
- A.
The cell body
- B.
The nuclei
- C.
The axon
- 5.The relaxation of muscle is an active process.
- A.
True
- B.
False
- 6.The proprioceptors are very sensitive receptors which exist between skeletal muscle fibres.
- A.
True
- B.
False
- 7.The muscle belly is completely surrounded by a thick connective tissue called epimysium.
- A.
True
- B.
False
- 8.The action of the sliding filaments during contraction causes lengthing of all sarcomeres, and therefore all muscle fibres.
- A.
True
- B.
False
- 9.The myelin sheath is continuous.
- A.
True
- B.
False
- 10.The All or None Law states that when a motor unit receives a stimulus of sufficient intensity to bring forth a response, all the muscle fibres within the unit will contract at the same time, and to the maximum possible extent.
- A.
True
- B.
False
- 11.The Golgi tendon organs are thick capsules of connective tissue which exist where muscle fibre and tendon meet.
- A.
True
- B.
False
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