5290321
Pregunta 1
Pregunta
Generally speaking, everything shrinks in the elderly except the prostate. People also get more brittle and stiff.
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Pregunta 2
Pregunta
The elderly tend to have difficulty seeing at night due to reductions in pupil reflex and thinning of the lens itself. An amber tint will also develop.
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Pregunta 3
Pregunta
Only 1/3 of aging is inevitable but we have some control over the other 2/3rds. We lose a base of 1% organ reserve per year after completion of development.
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Pregunta 4
Pregunta
Which of the following is false?
Respuesta
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Men have more severe hearing loss
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Women generally undergo total loss of reproductive function
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Sitting in one position grows more difficulty with age
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Mitochondrial degradation contribute to reduction in muscle function
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Cartilage protein change comes from less chondroitin sulfate being secreted
Pregunta 5
Pregunta
Blood vessels in the brain thin with aging. Generally speaking cognitive ability of the brain doesn't decline in function as readily as other organ systems and loss of individual neurons begins at a more advanced age (~60).
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Pregunta 6
Pregunta
Generally speaking aging includes slowed reflexes and responses to stimuli somewhere between 30-70%. This includes baroreceptor sensitivity resulting in hypotension on standing because of impaired blood pressure response and hypertrophy of the left ventricular wall.
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Pregunta 7
Pregunta
APOE e4 is the gene associated with Alzheimer's disease. Diabetes and Athersclerosis have also been associated with steeper than expected declines in cognitive ability.
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Pregunta 8
Pregunta
Serum creatinine concentration is not affected by aging. Creatinine production decreases with age.
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Pregunta 9
Pregunta
Which of the following does not change with age?
Respuesta
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Hematocrit level
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White blood cell count
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Creatinine and serum electrolyte concentrations
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all of the above
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Hematocrit level, Creatinine/electrolyte concentrations
Pregunta 10
Pregunta
Which of the following has the greatest deleterious velocity of change in aging?
Respuesta
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Cognitive function
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Vital capacity
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Cardiac output
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Kidney function
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Nerve conduction
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