A&P Straighterline Final Exam 3 Practice Questions with Correct
Answers (Grade A+)
Question 1: Which is an example of a normally occurring positive-feedback mechanism? Select one:
a. elevated blood pressure during exercise
b. increase in heart rate after blood loss
c. decrease in blood pressure after blood loss
d. stretching of the uterus near the end of pregnancy
Answer: d. stretching of the uterus near the end of pregnancy
Question 2: Which of the following processes generates the most ATP within a human cell? Select one:
a. glycolysis
b. lactic acid fermentation
c. oxidative phosphorylation
d. citric acid cycle
Answer: c. oxidative phosphorylation
Question 3: During DNA replication, how does each template strand eventually become two identical
DNA molecules? Select one:
a. The two strands form continuously, catalyzed by DNA polymerase.
b. The two strands form continuously, catalyzed by DNA ligase.
c. One strand forms continuously, the other forms in short segments spliced by DNA polymerase.
d. One strand forms continuously, the other forms in short segments spliced by DNA ligase
Answer: d. One strand forms continuously, the other forms in short
segments spliced by DNA ligase.
Question 4: Which is the most superficial layer of skin that is composed primarily of living cells? Select
one:
a. stratum corneum
b. stratum lucidum
c. stratum basale
d. stratum spinosum
Answer: d. stratum spinosum
Page 1
,Question 5: Which of the following is the definition of a third degree burn? Select one:
a. a burn that covers at least 25% of the skin
b. a burn that has destroyed the dermis and epidermis
c. a burn that can only be caused by fire
d. a burn that does not leave scars
Answer: b. a burn that has destroyed the dermis and epidermis
Question 6: Which of the following types of openings in the skeletal system does a "sinus" describe?
Select one:
a. cavity
b. cleft
c. hole
d. tunnel
Answer: a. cavity
Question 7: Which of the following components of the bone matrix, when removed, allows the bone to
be easily shattered? Select one:
a. cartilage
b. collagen
c. hydroxyapatite
d. mineral
Answer: b. collagen
Question 8: Which of the following is the most widely distributed type of muscle in the body? Select
one:
a. cardiac
b. postural
c. skeletal
d. smooth
Answer: d. smooth
Question 9: Which sentence best describes the sliding filament model of muscle contraction? Select
one:
a. Actin and myosin filaments remain stationary.
b. Actin and myosin myofilaments shorten.
c. Sarcomeres and myofibrils contract.
d. Sarcomeres and myofibrils lengthen
Answer: c. Sarcomeres and myofibrils contract.
Page 2
,Question 10: Doctor performing an autopsy on a patient concludes that part of the brain was likely
damaged by trauma due to a large population of which type of cell? Select one:
a. Schwann cells
b. microglia
c. oligodendrocytes
d. ependymal cel
Answer: b. microglia
Question 11: What type of axons is found in a gray ramus comunicans? Select one:
a. myelinated, pre-ganglionic axons
b. myelinated, post-ganglionic axons
c. unmyelinated, pre-ganglionic axons
d. unmyelinated, post-ganglionic axons
Answer: d. unmyelinated, post-ganglionic axons
Question 12: Which class of chemical messengers is secreted by neurons into synaptic clefts to activate
an adjacent cell? Select one:
a. autocrine
b. endocrine
c. neurotransmitter
d. paracrine
Answer: c. neurotransmitter
Question 13: The targeted response of the hormone lipotropin is an increase in which of the following?
Select one:
a. the breakdown of fat in adipose tissues
b. the breakdown of lipids and release of fatty acids from cells
c. the production of milk in lactating women
d. the secretion of thyroid hormone
Answer: a. the breakdown of fat in adipose tissues
Question 14: The articulations between the radius and ulna that allow for rotation of the forearm is an
example of a(n) _________ joint.
A. plane
B. pivot
C. hinge
D. ellipsoid
Answer: B. pivot
Page 3
, Question 15: In order to increase low blood glucose levels back to normal, the pancreas increases
secretion of ________.
A. somatostatin
B. insulin
C. glucocorticoids
D. glucagon
Answer: D. glucagon
Question 16: Hypocalcemia results from inactive
A. adrenal glands.
B. pancreatic islets.
C. parathyroid glands.
D. parafollicular cells
Answer: C. parathyroid glands.
Question 17: Which component of the autonomic nervous system is least active during resting
conditions?
A. parasympathetic division
B. enteric nervous system
C. sympathetic division
D. sensory neurons
Answer: C. sympathetic division
Question 18: Which of the following special senses experiences the least amount of decline as an
individual ages?
A. olfactory
B. balance
C. visual
D. auditory
Answer: A. olfactory
Question 19: The study of the external form of the body and its relationship to deeper structures is
Select one:
a. systemic anatomy.
b. regional anatomy.
c. molecular biology.
d. microbiology.
e. surface anatomy
Answer: e. surface anatomy
Page 4
Answers (Grade A+)
Question 1: Which is an example of a normally occurring positive-feedback mechanism? Select one:
a. elevated blood pressure during exercise
b. increase in heart rate after blood loss
c. decrease in blood pressure after blood loss
d. stretching of the uterus near the end of pregnancy
Answer: d. stretching of the uterus near the end of pregnancy
Question 2: Which of the following processes generates the most ATP within a human cell? Select one:
a. glycolysis
b. lactic acid fermentation
c. oxidative phosphorylation
d. citric acid cycle
Answer: c. oxidative phosphorylation
Question 3: During DNA replication, how does each template strand eventually become two identical
DNA molecules? Select one:
a. The two strands form continuously, catalyzed by DNA polymerase.
b. The two strands form continuously, catalyzed by DNA ligase.
c. One strand forms continuously, the other forms in short segments spliced by DNA polymerase.
d. One strand forms continuously, the other forms in short segments spliced by DNA ligase
Answer: d. One strand forms continuously, the other forms in short
segments spliced by DNA ligase.
Question 4: Which is the most superficial layer of skin that is composed primarily of living cells? Select
one:
a. stratum corneum
b. stratum lucidum
c. stratum basale
d. stratum spinosum
Answer: d. stratum spinosum
Page 1
,Question 5: Which of the following is the definition of a third degree burn? Select one:
a. a burn that covers at least 25% of the skin
b. a burn that has destroyed the dermis and epidermis
c. a burn that can only be caused by fire
d. a burn that does not leave scars
Answer: b. a burn that has destroyed the dermis and epidermis
Question 6: Which of the following types of openings in the skeletal system does a "sinus" describe?
Select one:
a. cavity
b. cleft
c. hole
d. tunnel
Answer: a. cavity
Question 7: Which of the following components of the bone matrix, when removed, allows the bone to
be easily shattered? Select one:
a. cartilage
b. collagen
c. hydroxyapatite
d. mineral
Answer: b. collagen
Question 8: Which of the following is the most widely distributed type of muscle in the body? Select
one:
a. cardiac
b. postural
c. skeletal
d. smooth
Answer: d. smooth
Question 9: Which sentence best describes the sliding filament model of muscle contraction? Select
one:
a. Actin and myosin filaments remain stationary.
b. Actin and myosin myofilaments shorten.
c. Sarcomeres and myofibrils contract.
d. Sarcomeres and myofibrils lengthen
Answer: c. Sarcomeres and myofibrils contract.
Page 2
,Question 10: Doctor performing an autopsy on a patient concludes that part of the brain was likely
damaged by trauma due to a large population of which type of cell? Select one:
a. Schwann cells
b. microglia
c. oligodendrocytes
d. ependymal cel
Answer: b. microglia
Question 11: What type of axons is found in a gray ramus comunicans? Select one:
a. myelinated, pre-ganglionic axons
b. myelinated, post-ganglionic axons
c. unmyelinated, pre-ganglionic axons
d. unmyelinated, post-ganglionic axons
Answer: d. unmyelinated, post-ganglionic axons
Question 12: Which class of chemical messengers is secreted by neurons into synaptic clefts to activate
an adjacent cell? Select one:
a. autocrine
b. endocrine
c. neurotransmitter
d. paracrine
Answer: c. neurotransmitter
Question 13: The targeted response of the hormone lipotropin is an increase in which of the following?
Select one:
a. the breakdown of fat in adipose tissues
b. the breakdown of lipids and release of fatty acids from cells
c. the production of milk in lactating women
d. the secretion of thyroid hormone
Answer: a. the breakdown of fat in adipose tissues
Question 14: The articulations between the radius and ulna that allow for rotation of the forearm is an
example of a(n) _________ joint.
A. plane
B. pivot
C. hinge
D. ellipsoid
Answer: B. pivot
Page 3
, Question 15: In order to increase low blood glucose levels back to normal, the pancreas increases
secretion of ________.
A. somatostatin
B. insulin
C. glucocorticoids
D. glucagon
Answer: D. glucagon
Question 16: Hypocalcemia results from inactive
A. adrenal glands.
B. pancreatic islets.
C. parathyroid glands.
D. parafollicular cells
Answer: C. parathyroid glands.
Question 17: Which component of the autonomic nervous system is least active during resting
conditions?
A. parasympathetic division
B. enteric nervous system
C. sympathetic division
D. sensory neurons
Answer: C. sympathetic division
Question 18: Which of the following special senses experiences the least amount of decline as an
individual ages?
A. olfactory
B. balance
C. visual
D. auditory
Answer: A. olfactory
Question 19: The study of the external form of the body and its relationship to deeper structures is
Select one:
a. systemic anatomy.
b. regional anatomy.
c. molecular biology.
d. microbiology.
e. surface anatomy
Answer: e. surface anatomy
Page 4
