Module 9 common changes to geriatric

Question 1

Percent body water

Answer 1

decreased

Question 2

percent body fat

Answer 2

increased

Question 3

brain weight

Answer 3

decreases by 7%

Question 4

brain anatomy

Answer 4

atrophy

Question 5

sleep patterns

Answer 5

reduces stage 3 and 4
more freq. awakenings
reduced sleep efficiency

Question 6

vision lens accommodation

Answer 6

reduced after 40-50 years

Question 7

vision: amount of light reaching retina

Answer 7

diminished by up to 70%

Question 8

vision color preception

Answer 8

reduced intensity: especially blue and green

Question 9

hearing

Answer 9

acuity declines beginning around age 12

- worst with high frequencies

Question 10

number of taste buds

Answer 10

dec. by 80%

Question 11

changes to preferences in taste/smell

Answer 11

inc. tolerance for very sweet or salty foods

Question 12

maximum heart rate

Answer 12

reduced from 195 to about 155

Question 13

cardiac output during stress

Answer 13

reduced

-> heart failure during sepsis, pneumonia, surgery

Question 14

renal perfusion

Answer 14

dec. by 50%

Question 15

bone mineral content

Answer 15

dec. by 10-30%

Question 16

prostate gland

Answer 16

increases by 100%

Question 17

men sexual function

Answer 17

dec. intensity and persistence of erection

dec. ejaculate and ejaculatory flow

Question 18

women sexual function

Answer 18

menopause
dec. lubrication
vaginal atrophy