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Question 1

Skeletal muscle fibers are anchored to bone by?

Answer 1

Tendon

Question 2

Regarding skeletal muscles what is the belly like?

Answer 2

Fleshy through out its length

Question 3

Nuclei in skeletal muscle are arranged how?

Answer 3

Numerous nuclei arranged at the periphery

Question 4

Skeletal muscle is innervated by?

Answer 4

Somatic nervous system

Question 5

Muscle least affected by prolonged ischemia or trauma?

Answer 5

Skeletal muscle

Question 6

During metabolic crisis skeletal muscle responds by?

Answer 6

Inc protein lysis

Question 7

What causes rigor mortis in skeletal muscle?

Answer 7

Decrease in ATP

Question 8

Sudden stretch of skeletal muscle causing rhythmic contractions is called?

Answer 8

Clonus

Question 9

Low blood calcium causing skeletal muscle contractions and seizures indicates?

Answer 9

Tetany

Question 10

What portion of the myofibril lies between two Z discs?

Answer 10

Sarcomere

Question 11

Sarcomere is the basic unit of contraction in which muscles?

Answer 11

Skeletal and cardiac muscle

Question 12

Which filaments are part of a sarcomere?

Answer 12

Thin (actin) and thick (myosin) filaments

Question 13

What is the function of the M-line in a sarcomere?

Answer 13

Holds thick filaments together

Question 14

Each sarcomere of skeletal muscle lies between?

Answer 14

Two Z discs

Question 15

Under low magnification what is seen in skeletal muscle?

Answer 15

Dark and light bands