HDEV FINAL EXAM ACTUAL QUESTIONS WITH
VERIFIED SOLUTIONS
◉ 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)
◉ Identify the region of the human brain in which neurogenesis has
been documented in adults.
A) amygdala
B) olfactory bulb
, C) prefrontal cortex
D) hypothalamus.
Answer: B)
◉ Which of the following is a biological theory explaining aging?
A) mitochondrial theory
B) reverse neurogenesis theory
C) two-factor theory
D) attachment theory.
Answer: A)
◉ Ruth and Gerald are a married couple. Both are in their late 60s. It
is likely that as they get older, ________.
A) only if Ruth or Gerald has osteoporosis, he or she will get shorter
B) Gerald will get shorter, but Ruth will not get shorter
C) both Ruth and Gerald will get shorter
D) Ruth will get shorter, but Gerald will not get shorter.
Answer: C)
◉ Maria is 75 years old. She is experiencing severe loss of bone
tissue. Maria is most likely to be diagnosed with
A) osteoporosis.
VERIFIED SOLUTIONS
◉ 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)
◉ Identify the region of the human brain in which neurogenesis has
been documented in adults.
A) amygdala
B) olfactory bulb
, C) prefrontal cortex
D) hypothalamus.
Answer: B)
◉ Which of the following is a biological theory explaining aging?
A) mitochondrial theory
B) reverse neurogenesis theory
C) two-factor theory
D) attachment theory.
Answer: A)
◉ Ruth and Gerald are a married couple. Both are in their late 60s. It
is likely that as they get older, ________.
A) only if Ruth or Gerald has osteoporosis, he or she will get shorter
B) Gerald will get shorter, but Ruth will not get shorter
C) both Ruth and Gerald will get shorter
D) Ruth will get shorter, but Gerald will not get shorter.
Answer: C)
◉ Maria is 75 years old. She is experiencing severe loss of bone
tissue. Maria is most likely to be diagnosed with
A) osteoporosis.
