NCOA QUIZ 2 – COMPLETE Actual Questions & Verified Answers

NCOA QUIZ 2 – COMPLETE Actual
Questions & Verified Answers


NCOA QUIZ 2 – COMPLETE STUDY GUIDE
Actual Questions & Verified Answers | 2025-2026 Edition
Source: NCOA Distance Learning Course 15 / Professional Development Guide
Topics: Theories of Aging, POA Dimensions, Core Values, Professionalism,
Ethics


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PART 1: THEORIES OF AGING
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QUESTION 1: What is a theory?
A) A proven scientific fact
B) A tentative explanation of some type of unproven phenomena or observation
C) A law of nature
D) A mathematical formula


Correct Answer: B) A tentative explanation of some type of unproven
phenomena or observation


Rationale: According to NCOA course materials, a theory is defined as an
attempt to explain some type of UNPROVEN phenomena or observation.
Theories must be supported with evidence over time .


QUESTION 2: Which theory proposes that free radicals interact or connect with
cell molecules and connective tissue, causing tissues to become damaged and
unable to repair itself?


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,A) Biological Clock Theory
B) Wear and Tear Theory
C) Cross-Linkage Theory
D) Immunologic Theory


Correct Answer: C) Cross-Linkage Theory


Rationale: The Cross-Linkage Theory proposes that free radicals interact or
connect with "cell molecules and connective tissue" that causes tissues to
become damaged and unable to repair itself .


QUESTION 3: The theory that states the "ticking of a clock" resembles the time
associated with a predetermined number of cell divisions one will have in their
lifetime is called:
A) Cross-Linkage Theory
B) Biological Clock Theory
C) Wear and Tear Theory
D) Immunologic Theory


Correct Answer: B) Biological Clock Theory


Rationale: The Biological Clock Theory states that ticking of a clock resembles
the "time" associated with a predetermined number of cell divisions that one
will have in their life time .


QUESTION 4: The theory proposing that as time goes by, repeated use and
abuse of the body's tissues causes it to be unable to repair all the damage is
called:
A) Biological Clock Theory
B) Cross-Linkage Theory
C) Wear and Tear Theory
D) Immunologic Theory

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, Correct Answer: C) Wear and Tear Theory


Rationale: The Wear and Tear Theory proposes that as time goes by, repeated
use and abuse of the body's tissues cause it to be unable to repair all the
damage .


QUESTION 5: The theory that proposes as one ages, so does the function of the
immune system is called:
A) Cross-Linkage Theory
B) Biological Clock Theory
C) Wear and Tear Theory
D) Immunologic Theory


Correct Answer: D) Immunologic Theory


Rationale: The Immunologic Theory proposes that as one ages so does that of
the function of the immune system. A weakened immune system makes the
older adult client more susceptible to certain infections, illness, and diseases .


QUESTION 6: Not all individuals take on the same number of "ticks and timers"
as some individuals age faster than others due to various reasons such as:
A) Genetics only
B) Environmental stressors and exposures only
C) Genetics, environmental stressors, and exposures
D) Diet and exercise only


Correct Answer: C) Genetics, environmental stressors, and exposures


Rationale: Not all individuals take on the same number of ticks and timers as
some individuals age faster than others due to various reasons such as
genetics, environmental stressors, and exposures .

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