MULTIPLE CHOICE. Choose the one alternative that best completes the statement or

Question

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or I) A musdeneer is A) the elaborate arrangement of smooth endoplasmic reticulum inside a musde cel B) a muscle cell C) an arrangement of actin and myosin filaments deep within a muscde oell D) a rod-like structure consisting of sarcomeres placed end to end 2) Sarcomeres consist of2) A) orderly arrangements of actin and myosin B) myofibrils arranged one after the other C) bands of tissue wrapped around the sarcolemma D) a network of sarcoplasmic reticulum 3) The thick and thin filaments are made up of uporespectively. 3) A) the dark and light bands B) T tubules and terminal cisterns C) myosin and actin D) the H zone and the Z disc 4) Terminal cisterns4) A) carry the action potential deep into the muscle cell B) are an important link between the nervous system and the musde cell C) store acetylcholine D) are made of smooth endoplasmic reticulum 5) Tendons differ from ligaments in that . A) tendons are broad and flat and ligaments are like cords B) tendons bind muscle to bone and ligaments bind bone to bone C) they are formed from different tissue types 5) D) tendons attach to bone and ligaments do not 6JAn aponeurosis is ____ . 6) A) a disease of the neuromuscular junction B) similar to a tendon in function C) a structural part of the interior of muscle cells D) a covering of the myoneural region 7) The function of the neuromuscular junction is to 7) A) connect sensory neurons directly to musde B) stimulate or inhibit the activity of skeletal musdes C) link nerve endings to musde, to protect the nerve structurally D) convey a signal from the nervous system to skeletal musdle 8) At the neuromuscular junction, the electrical signal of the nerve8) A) stimulates formation of the neurotransmitter acetylcholine (ACh) B) causes the axon terminal to release Nat and K C) is sent directly to muscde D) causes the axon terminal to release acetylcholine (ACh) 9) Acetylcholine (ACh) is the neurotransmitter of axon terminals at the neuromuscular junction. It 9) A) binds to receptors on the muscle membrane B) diffuses into the musde cell

Explanation / Answer

ANSWER 1)
D) A rod-like structure consisting of sarcomeres placed end to end

ANSWER 2)
A) orderly arrangements of actin and myosin

ANSWER 3)
C) myosin and actin

ANSWER 4)
A) carry the action potential deep into the muscle cell

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