Which of the following is NOT 1 of the types of muscle tissue in the human body?

Question

Which of the following is NOT 1 of the types of muscle tissue in the human body? A) Striated. The layer of connective tissue that surrounds the entire muscle is called the A) endomysium. Which of the following are distinct characteristics of SKELETAL muscle cells? A) They are multinucleated B) They are striated. C) They can be as long as 12 inches. D) All of the above. E) B& C only The plasma membrane of a muscle cell is known as the A) myoblast. Each muscle cell (fiber) contains hundreds to thousands of cylindrical structures called A) myofibrils. In skeletal muscle fibers, a membrane complex called the network around each individual myofibril, fitting over it like lacy shirtsleeves A) sarcolemma B) titin C) sarcoplasmic reticulum D) sarcomere 1. 2. 3. B) Skeletal. C) Smooth. D) Cardiac. B) perimysium. C) epimysium. D) sarcolemma. 4. B) sarcolemma. C) sarcoplasm. D) transverse tubules. 5. B) titins. C) actins. D) mvosins. E) myoblasts. 6. forms a tubular E) Z line 7. are the smallest functional units of the muscle fibers. E) Myosin A) Sarcolemmas B) Sarcomeres C) Sarcoplasmic reticulum D) Actin Each myofibril consists of 2 protein myofilaments. The thin ones are known as the thick filaments are called A) myosin; actin B) actin; myosin when a muscle fiber contracts, the sarcomere shortens by A) actin; titin 8. & D) myosin; titin pulling the D) myosin; actin C) actin; titin 9, B) myosin; titin C) actin; myosin 10. ATP supplies the energy for muscle contraction. This gets used up very quickly upon muscle fiber activation(contraction). What molecule is used to "recharge" ADP to convert it back into ATP so the muscle can continue contracting and functioning? D) Lactic acid. E) Pyruvate 11. 2 hormones stimulate synthesis of contractile proteins & the enlargement of skeletal muscles. A) GTP. B) Creatine phosphate. C)Glucose What are they? A) Insulin & Growth hormone. B) Testosterone & Estrogen. C) Testosterone & Progesterone. D) Testosterone &Growth; hormone. E) Estrogen & Progesterone.

Explanation / Answer

1. A. Striated

The amount of striation is a property of a muscle

2. C. Epimysium

Outermost layer of connective tissue which covers the whole muscle

3. D. All of the above

4. C. Sarcoplasm

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