A term that describes the change in muscle following a lack of exercise is
A. hypertrophy.
B. atrophy.
C. convergence.
D. proliferation.
E. myofascia.
Answer: B
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Non-sex chromosomes are called
A) homologous. B) homozygous. C) heterozygous. D) autosomal. E) chromatids.
The major source of calcium in smooth muscle is from the ____________________
Fill in the blank(s) with correct word
Which of the following normally occurs when a doctor's reflex hammer taps a patient's patellar tendon?
A. Alpha motor neurons stimulate contraction of extrafusal fibers in extensor muscles. B. Alpha motor neurons stimulate contraction of intrafusal fibers in extensor muscles. C. Golgi tendon organs in the patellar tendon stimulate the contraction of extrafusal fibers of extensor muscles. D. Alpha motor neurons that innervate ipsilateral flexor muscles are stimulated. E. Inhibitory interneurons reduce action potential firing in alpha motor neurons to extrafusal fibers of extensor muscles.
Effects of aging on the kidneys include all of the following, except
A. an increased ability to eliminate uric acid and creatine from the blood. B. a gradual decrease in the size of the kidneys. C. a gradual decrease in blood flow through the kidneys. D. a loss of general function. E. a decline in absorption and secretion.