QUIZ 1:
1. Age-related changes in the cardiovascular system among older adults include:
A. Adrenergic receptors number-Decreased βA.
B. Decreased systolic blood pressure
C. Increased maximal heart rate during exercise
D. Increased β-adrenergic receptors sensitivity
E. Increased cardiac output under stress
2. Age related changes in vision include
A. Increase color Sensitivity
B. Decrease dark Adaptation
C. Decrease intraocular pressure
D. Increase risk of iridocyclitis
E. Decreased risk of cataract
3. The following can cause decrease appetite among elderly
A. Decrease taste sensation
B. Decrease intestinal motility
C. Loss of teeth
D. Cognitive impairment
4. Elderly are more prone to develop infections because
A. Decrease T cell immunity
B. Increased environmental factors
C. Cognitive impairment
D. Iron deficiency Anemia
5. Elderly develop sarcopenia due to all of the following except
A. Decreased myosin heavy chain synthesis
B. Decreased innervation, increased number of myofibrils per motor unit
C. Infiltration of fat into muscle bundles
D. Excess mitochondrial ATP production