HDEV FINAL EXAM COMPREHENSIVE
QUESTIONS AND CORRECT ANSWERS
◉ ________ are DNA sequences that cap chromosomes.
A) Mitochondria
B) Free radicals
C) Telomeres
D) Polymers.
Answer: C)
◉ Which of the following is true of executive function?
A) It shows considerable increase in late adulthood and is strongly
linked to increase in working memory.
B) It consists of a number of low-level cognitive processes.
C) It is unrelated to health, emotion regulation, and social
functioning.
D) It involves managing one's thoughts to engage in goal-directed
behavior and to exercise self-control..
Answer: D)
◉ According to the cellular clock theory of aging, cells can divide a
maximum of
,A) 75 to 80 times.
B) 80 to 100 times.
C) 50 to 60 times.
D) 65 to 70 times.
Answer: A)
◉ According to a study by Coleman that compared the brains of
adults at various ages, from the 40s through the 70s, the
A) number of axons increased.
B) growth of dendrites decreased.
C) growth of dendrites increased.
D) number of neurons increased..
Answer: C)
◉ ________ diseases have a slow onset and a long duration, and they
are rare in early adulthood.
A) Acute
B) Terminal
C) Chronic
D) Pervasive.
Answer: C)
,◉ ________ attention is focused and extended engagement with an
object, task, event, or some other aspect of the environment.
A) Executive
B) Divided
C) Selective
D) Sustained.
Answer: D)
◉ Aaron is a healthy, 65-year-old man. Compared with his 24-year-
old son Harry, Aaron has much less brain volume. Which of the
following is most likely the reason for this difference?
A) Harry has a lower number of synapses than Aaron has.
B) Aaron is experiencing shrinkage of neurons.
C) Aaron has a thicker corpus callosum than Harry has.
D) Harry has reduced tree-like branching in the dendrites of his
brain..
Answer: B)
◉ Researchers have extended the life of a human cell by
A) rearranging the DNA sequences.
B) splicing the 18th and 19th chromosomes.
C) removing the cap of the DNA molecule.
D) injecting it with telomerase..
, Answer: D)
◉ ________, which is closely linked to short-term memory, allows
children and adults to manipulate and assemble information when
making decisions, solving problems, and comprehending written
and spoken language.
A) Episodic memory
B) Working memory
C) Working cognition
D) Source memory.
Answer: B)
◉ Cynthia is 91 years old. Doctors have found that Cynthia's optic
nerves have been damaged because of accumulation of fluid in the
eye. Cynthia is worried that she will lose her vision, but the doctor
has told her that her condition can be treated with eye drops. The
disease that has marred Cynthia's vision is
A) cataracts.
B) retinopathy.
C) macular degeneration.
D) glaucoma..
Answer: D)
QUESTIONS AND CORRECT ANSWERS
◉ ________ are DNA sequences that cap chromosomes.
A) Mitochondria
B) Free radicals
C) Telomeres
D) Polymers.
Answer: C)
◉ Which of the following is true of executive function?
A) It shows considerable increase in late adulthood and is strongly
linked to increase in working memory.
B) It consists of a number of low-level cognitive processes.
C) It is unrelated to health, emotion regulation, and social
functioning.
D) It involves managing one's thoughts to engage in goal-directed
behavior and to exercise self-control..
Answer: D)
◉ According to the cellular clock theory of aging, cells can divide a
maximum of
,A) 75 to 80 times.
B) 80 to 100 times.
C) 50 to 60 times.
D) 65 to 70 times.
Answer: A)
◉ According to a study by Coleman that compared the brains of
adults at various ages, from the 40s through the 70s, the
A) number of axons increased.
B) growth of dendrites decreased.
C) growth of dendrites increased.
D) number of neurons increased..
Answer: C)
◉ ________ diseases have a slow onset and a long duration, and they
are rare in early adulthood.
A) Acute
B) Terminal
C) Chronic
D) Pervasive.
Answer: C)
,◉ ________ attention is focused and extended engagement with an
object, task, event, or some other aspect of the environment.
A) Executive
B) Divided
C) Selective
D) Sustained.
Answer: D)
◉ Aaron is a healthy, 65-year-old man. Compared with his 24-year-
old son Harry, Aaron has much less brain volume. Which of the
following is most likely the reason for this difference?
A) Harry has a lower number of synapses than Aaron has.
B) Aaron is experiencing shrinkage of neurons.
C) Aaron has a thicker corpus callosum than Harry has.
D) Harry has reduced tree-like branching in the dendrites of his
brain..
Answer: B)
◉ Researchers have extended the life of a human cell by
A) rearranging the DNA sequences.
B) splicing the 18th and 19th chromosomes.
C) removing the cap of the DNA molecule.
D) injecting it with telomerase..
, Answer: D)
◉ ________, which is closely linked to short-term memory, allows
children and adults to manipulate and assemble information when
making decisions, solving problems, and comprehending written
and spoken language.
A) Episodic memory
B) Working memory
C) Working cognition
D) Source memory.
Answer: B)
◉ Cynthia is 91 years old. Doctors have found that Cynthia's optic
nerves have been damaged because of accumulation of fluid in the
eye. Cynthia is worried that she will lose her vision, but the doctor
has told her that her condition can be treated with eye drops. The
disease that has marred Cynthia's vision is
A) cataracts.
B) retinopathy.
C) macular degeneration.
D) glaucoma..
Answer: D)
