RNA 805 QUIZ 4 EXAM QUESTIONS AND ANSWERS
Many changes in organ function and composition occur by the eighth decade of life. Match the
appropriate change with the organ system change or diagnostic characteristic with which it is
associated. - CORRECT ANSWER✅✅Serum creatinine concentration - stays the same
Brain mass - decreases
Plasma catecholamine levels - increases
Which of the following does not decrease significantly with age? - CORRECT ANSWER✅✅Baseline
hepatic function
The increase in peripheral vascular resistance seen in elderly patients typically results in - CORRECT
ANSWER✅✅Concentric left ventricular hypertrophy
Which of the following respiratory parameters is decreased in elderly patients? - CORRECT
ANSWER✅✅Alveolar surface area
Which of the following statements describes the age-related changes in glomerular function accurately?
- CORRECT ANSWER✅✅The glomerular filtration rate decreases by 1 mL/min each year after age 40
Minimum alveolar concentration (MAC) decreases by ____ percent per decade. - CORRECT
ANSWER✅✅6
Why are geriatric patients more susceptible to hypothermia? - CORRECT ANSWER✅✅They are more
prone to hypothyroidism
Which of the following changes would you expect to occur normally in elderly patients? - CORRECT
ANSWER✅✅Decreased serum albumin
Match the respiratory parameter and the change you would expect to occur as a result of increased age.
- CORRECT ANSWER✅✅FEV1 - decreases
, Closing volume - increases
Total lung capacity - no change
Which change is principally responsible for the reduction in alveolar surface volume in the elderly? -
CORRECT ANSWER✅✅Decreased pulmonary elastic tissue
Select the two most dramatic changes in lung volumes seen with increased age. - CORRECT
ANSWER✅✅Increase in closing volume
Increase in closing capacity
Which of the following is not decreased in elderly patients? - CORRECT ANSWER✅✅Circulatory time
Match the physiologic characteristic with the manner in which it changes with age. - CORRECT
ANSWER✅✅Insulin resistance - increases
CNS activity - decreases
Alpha-1 acid glycoprotein levels - stays the same
With aging, the ventilatory response to hypercapnia can decrease by as much as _____ percent. -
CORRECT ANSWER✅✅50
Select the two most prominent effects of aging on the pulmonary system. - CORRECT
ANSWER✅✅Increased stiffness of the chest wall
Decreased stiffness of the parenchyma
Which of the following characteristics do geriatric patients share with neonates? - CORRECT
ANSWER✅✅A higher body surface area to body mass ratio
The geriatric population is more susceptible to decreases in core temperature primarily because -
CORRECT ANSWER✅✅autonomic peripheral vasoconstriction decreases with age
Many changes in organ function and composition occur by the eighth decade of life. Match the
appropriate change with the organ system change or diagnostic characteristic with which it is
associated. - CORRECT ANSWER✅✅Serum creatinine concentration - stays the same
Brain mass - decreases
Plasma catecholamine levels - increases
Which of the following does not decrease significantly with age? - CORRECT ANSWER✅✅Baseline
hepatic function
The increase in peripheral vascular resistance seen in elderly patients typically results in - CORRECT
ANSWER✅✅Concentric left ventricular hypertrophy
Which of the following respiratory parameters is decreased in elderly patients? - CORRECT
ANSWER✅✅Alveolar surface area
Which of the following statements describes the age-related changes in glomerular function accurately?
- CORRECT ANSWER✅✅The glomerular filtration rate decreases by 1 mL/min each year after age 40
Minimum alveolar concentration (MAC) decreases by ____ percent per decade. - CORRECT
ANSWER✅✅6
Why are geriatric patients more susceptible to hypothermia? - CORRECT ANSWER✅✅They are more
prone to hypothyroidism
Which of the following changes would you expect to occur normally in elderly patients? - CORRECT
ANSWER✅✅Decreased serum albumin
Match the respiratory parameter and the change you would expect to occur as a result of increased age.
- CORRECT ANSWER✅✅FEV1 - decreases
, Closing volume - increases
Total lung capacity - no change
Which change is principally responsible for the reduction in alveolar surface volume in the elderly? -
CORRECT ANSWER✅✅Decreased pulmonary elastic tissue
Select the two most dramatic changes in lung volumes seen with increased age. - CORRECT
ANSWER✅✅Increase in closing volume
Increase in closing capacity
Which of the following is not decreased in elderly patients? - CORRECT ANSWER✅✅Circulatory time
Match the physiologic characteristic with the manner in which it changes with age. - CORRECT
ANSWER✅✅Insulin resistance - increases
CNS activity - decreases
Alpha-1 acid glycoprotein levels - stays the same
With aging, the ventilatory response to hypercapnia can decrease by as much as _____ percent. -
CORRECT ANSWER✅✅50
Select the two most prominent effects of aging on the pulmonary system. - CORRECT
ANSWER✅✅Increased stiffness of the chest wall
Decreased stiffness of the parenchyma
Which of the following characteristics do geriatric patients share with neonates? - CORRECT
ANSWER✅✅A higher body surface area to body mass ratio
The geriatric population is more susceptible to decreases in core temperature primarily because -
CORRECT ANSWER✅✅autonomic peripheral vasoconstriction decreases with age
