What is a fascicle of a skeletal muscle?
A. A bundle of skeletal muscle fibers
B. A layer of connective tissue surrounding an entire skeletal muscle
C. A motor neuron and all of the muscle fibers that it innervates
D. A contractile unit of a myofibril
E. An inward extension of the sarcolemma through the muscle fiber
Answer: A
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Which of the following controls abduction at the shoulder?
A) supraspinatus B) subscapularis C) teres major D) infraspinatus E) teres minor
Standing still in an elevator that suddenly lowers will stimulate receptors in the
A) basilar membrane. B) spiral organ. C) semicircular canals. D) bony labyrinth. E) utricle and saccule.
Mitosis involves crossing over and the production of haploid daughter cells.
Answer the following statement true (T) or false (F)
Red blood cells contain mostly
A. globulin. B. hemoglobin. C. fibrinogen. D. albumin.