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kin 1020 mock final Page 1
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1. The study measuring the correlation between hand-grip strength and ability to perform basic mobility tasks came to what conclusion? a) Functional strength in mid- early-life will predict functional limitations at an older age b) Basic mobility tasks are more difficult for those who have sufficient muscular strength c) Physical strength at an early age bears no correlation to functional limitation at an older age d) Functional limitation occurs more frequently in the elderly
2. Maintaining muscular strength later in life reduces functional limitation by over 50% for who? a) Men b) Women c) Children d) Both men and women
3. Which has been shown to be an initiator caspase for higher levels of Reactive Oxygen Species? a) Caspase-3 b) Caspase-7 c) Caspase-6 d) Caspase-8
4. Which is not a benefit of strength and endurance training on apoptotic pathways in the elderly? a) Improved Bcl-2/Bax ratio b) Improved calcium handling c) Improved Apaf-1 levels d) All of the above are potential benefits
5. Which of the following is characteristic of Duchenne Dystrophy? a) Affects both males and females b) Generally, sufferers do not live past age 20 c) Generally, sufferers are reduced to a wheelchair by age 40 d) It is not congenital
6. A disease where muscles have difficulty relaxing is known as: a) Myotonic disease b) Hypermyotonic disease c) Hypomyotonic disease d) Isotonic disease
7. Which is not a potential fatigue site in the peripheral system? a) Lower motor neurons b) NM junction and sarcolemma c) Actin-myosin interaction d) Metabolic supply pathways
8. Which of the following travels across the NM junction to convey a neural impulse? a) Potassium b) Sodium c) Acetylcholine d) ATP
9. What is the 3rd step in the formation of new muscle fibres in Myogenesis? a) Formation of myoblasts b) Formation of myotubes