0071509674.pdf
Muscle and Cell Motility Answers 123.The answer is a.(Kumar, pp 91, 94, 1327. Alberts, pp 1299–1300.) Satellite cells in skeleta ...
remains unchanged (i.e., whether the contraction is 10% or 20%), there- fore the length of the I band is reduced from 1.0 to 0.5 ...
126.The answer is a.(Alberts, pp 961–965. Junqueira, pp 186–191.)Ca2+is responsible for the coupling of excitation and contracti ...
intermediate fibers. Red muscle fibers have a high content of cytochrome and myoglobin and, beneath the plasmalemma, contain man ...
absence of ATP. In skeletal muscle, phosphorylation of the light chain is not required for binding to actin (answer e). 129.The ...
131.The answer is a.(Junqueira, pp 198–202.)Smooth muscle is the least specialized type of muscle and contains no troponin. The ...
protein. In the center of the A band is a lighter-staining area that consists only of thick (rod-like portions of myosin) filame ...
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Nervous System Questions DIRECTIONS: Each item below contains a question or incomplete statement followed by suggested responses ...
An 18-month-old girl flexes the great toe toward the top of her foot and the other toes fan out after the sole of her foot has ...
Nervous System 231 138.A febrile 52-year-old male patient receiving glucocorticoid treatment presents with vesicular lesions wit ...
139.A 22-year-old male receives a severe, traumatic compression injury to his radial nerve after a motorcycle crash. He shows an ...
Nervous System 233 143.Following a vehicular accident, a 45-year-old male is transported to the emergency room by ambulance. He ...
144.A 36-year-old woman internist completes a 4 week medical mission to rural Bahia, Brazil. Eighteen months after her return sh ...
145.The neural crest gives rise to which of the following? a. Zona glomerulosa of the adrenal gland b. Pyramidal cells c. Ventra ...
147.A 45-year-old man presents at the neurology clinic with memory loss, mood swings, and clinical depression. Laboratory result ...
148.A 47-year-old man is treated with Fluoxetine hydrochloride (Prozac) for clinical depression. This pharmaceutical agent funct ...
149.A 35-year-old woman presents with weakness and spasticity in the left lower extremity, visual impairment and throbbing in he ...
150.A 33-year-old woman is referred to the neurology clinic complaining of weakness of the eye muscles which began 2 months ago. ...
Nervous System Answers 134.The answer is a.(Sadler, pp 296, 300–303. Moore and Persaud, Developing, pp 67–69, 86–87, 442–443.)Ab ...
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