Exam 6: The Peripheral Nervous System: Afferent Division; Special Senses

Match the sarcomere components, labelled a. through d., with the characteristics. (Options may be used more than once or not at all.) a.Z line b.A band c.I band d.H zone -contains partially overlapping thick and thin filaments

Match the skeletal muscle proteins, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.) a.actin only b.myosin only c.actin and myosin d.troponin-tropomyosin complex e.actin, troponin, and tropomyosin f.actin, myosin, troponin, and tropomyosin -lie(s) near the groove of the thin filament helix

Match the types of muscles, labelled a. through g., with the properties in question. (Options may be used more than once or not at all.) a.skeletal muscle only b.single-unit smooth muscle only c.cardiac muscle only d.skeletal muscle and cardiac muscle e.skeletal muscle and single-unit smooth muscle f.single-unit smooth muscle and cardiac muscle g.skeletal, single-unit smooth, and cardiac muscles -contain(s) T tubules

Match the types of muscles, labelled a. through g., with the properties in question. (Options may be used more than once or not at all.) a.skeletal muscle only b.single-unit smooth muscle only c.cardiac muscle only d.skeletal muscle and cardiac muscle e.skeletal muscle and single-unit smooth muscle f.single-unit smooth muscle and cardiac muscle g.skeletal, single-unit smooth, and cardiac muscles -Rank the following muscle cell components from largest to smallest. 1 troponin 2 myofibril 3 sarcomere 4 thin filament 5 muscle fibre a.3, 4, 1, 5, 2 b.1, 2, 3, 5, 4 c.5, 4 ,3 , 1, 2 d.5, 2, 3, 4, 1

Match the muscle fibre types, labelled a. through c., with the characteristics. (Options may be used more than once or not at all.) a.slow-oxidative fibre b.fast-oxidative fibre c.fast-glycolytic fibre -most resistant to fatigue

Which of these factors is NOT a determinant of whole muscle tension?

Which of the following are in the I band of the sarcomere?

Which of the following would happen if ATP supplies became very low or were not available in a muscle cell?

Match the types of muscles, labelled a. through g., with the properties in question. (Options may be used more than once or not at all.) a.skeletal muscle only b.single-unit smooth muscle only c.cardiac muscle only d.skeletal muscle and cardiac muscle e.skeletal muscle and single-unit smooth muscle f.single-unit smooth muscle and cardiac muscle g.skeletal, single-unit smooth, and cardiac muscles -Myosin must be phosphorylated before it can bind with actin

Which of these statements correctly describes myosin?

Match the skeletal muscle proteins, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.) a.actin only b.myosin only c.actin and myosin d.troponin-tropomyosin complex e.actin, troponin, and tropomyosin f.actin, myosin, troponin, and tropomyosin -can bind with myosin during muscle contraction

Slow-oxidative fibres are type ____________________ fibres in the muscle.

During contraction, asynchronous cycling of cross bridges _______________.

Which of these actions happens during muscle contraction?

Which statement is characteristic of most of the body's lever systems?

Match the muscle fibre types, labelled a. through c., with the characteristics. (Options may be used more than once or not at all.) a.slow-oxidative fibre b.fast-oxidative fibre c.fast-glycolytic fibre -has numerous mitochondria

Which of these statements does NOT correctly describe different types of muscle fibres?

In the body's lever systems, what are the fulcrums represented by?

Match the skeletal muscle proteins, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.) a.actin only b.myosin only c.actin and myosin d.troponin-tropomyosin complex e.actin, troponin, and tropomyosin f.actin, myosin, troponin, and tropomyosin -found in thick filament

Muscle relaxation does not take place until all the ATP is used up.