SFL 334 EXAM QUESTIONS WITH 100%
CORRECT ANSWERS | LATEST
VERSION 2025/2026.
What was the percentage of people over 65 in the overall US population in 1900? - ANS 4.1%
Currently, what is the proportion of elderly over the age of 65 in the United States? -
ANS 14.1%
The rapid losses that occur shortly before death are called - ANS tertiary aging
What research design is best for controlling for both cohort effects and time-in-measurement
effects while you try to assess age effects? - ANS sequential research
Currently, what is the average life expectancy for women in the United States? - ANS 81
years old
In modern American culture, the birth of a child to a 13-year-old girl would be considered -
ANS off time
A cross-sectional study is susceptible to what kind of effect that will confound our attempts to
examine the aging effect we want to target? - ANS cohort effect
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, sequential research - ANS research that follows multiple cohorts longitudinally
Functional imaging techniques (fMRI) focus on which aspect of the brain? - ANS activity
______ is a multifaceted concept that describes the brain's ability to adapt, change, and
regenerate over time? - ANS plasticity
Which neurotransmitter enhances memory functioning? - ANS acetylcholine
Which brain structure is involved in higher-order executive functions, such as the ability to
make and carry out plans, switch between tasks, and maintain attention and focus? -
ANS cortex
Which brain structure is involved with enhancing memory? - ANS hippocampus
what does the parietal lobe do? - ANS manages sensation, handwriting, and body position
What does the occipital lobe do? - ANS contains brain's visual processing system
What does the temporal lobe do? - ANS involved in memory and hearing
what does the frontal lobe do? - ANS responsible for problem solving and judgment
does the level of neurotransmitters increase or decrease with age? - ANS decreases
does the quantity of tangles increase or decrease with age? - ANS increase
does the overall size of the brain increase or decrease with age? - ANS decrease
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
CORRECT ANSWERS | LATEST
VERSION 2025/2026.
What was the percentage of people over 65 in the overall US population in 1900? - ANS 4.1%
Currently, what is the proportion of elderly over the age of 65 in the United States? -
ANS 14.1%
The rapid losses that occur shortly before death are called - ANS tertiary aging
What research design is best for controlling for both cohort effects and time-in-measurement
effects while you try to assess age effects? - ANS sequential research
Currently, what is the average life expectancy for women in the United States? - ANS 81
years old
In modern American culture, the birth of a child to a 13-year-old girl would be considered -
ANS off time
A cross-sectional study is susceptible to what kind of effect that will confound our attempts to
examine the aging effect we want to target? - ANS cohort effect
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, sequential research - ANS research that follows multiple cohorts longitudinally
Functional imaging techniques (fMRI) focus on which aspect of the brain? - ANS activity
______ is a multifaceted concept that describes the brain's ability to adapt, change, and
regenerate over time? - ANS plasticity
Which neurotransmitter enhances memory functioning? - ANS acetylcholine
Which brain structure is involved in higher-order executive functions, such as the ability to
make and carry out plans, switch between tasks, and maintain attention and focus? -
ANS cortex
Which brain structure is involved with enhancing memory? - ANS hippocampus
what does the parietal lobe do? - ANS manages sensation, handwriting, and body position
What does the occipital lobe do? - ANS contains brain's visual processing system
What does the temporal lobe do? - ANS involved in memory and hearing
what does the frontal lobe do? - ANS responsible for problem solving and judgment
does the level of neurotransmitters increase or decrease with age? - ANS decreases
does the quantity of tangles increase or decrease with age? - ANS increase
does the overall size of the brain increase or decrease with age? - ANS decrease
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
