A&P 1 Final Exam, Straighterline Anatomy and
Physiology 1, Straighterline A&P 1 Cumulative
Exam Questions and Answers A+ Guaranteed
1. To focus on objects closer than 20 feet - ANSWER the ciliary muscles must
contract
2. Which of the special senses contains receptor neurons that are the only nerve
cells in direct contact with the outside environment - ANSWER smell
3. John sees Marth; the pupils of his eyes dilate. It is "love at first sight." What
division(s) of the ANS is (are) involved? - ANSWER sympathetic division
4. Sympathetic preganglionic axons - ANSWER can synapse in either chain or
collateral ganglia
5. The two divisions of the ANS have antagonistic effects on each of the
following EXCEPT - ANSWER the diameter of the blood vessels in skeletal
muscles
6. The _____________ division of the ANS functions mainly under ordinary,
restful conditions - ANSWER parasympathetic
7. How does distribution of sympathetic nerves differ from the distribution of
parasympathetic nerves - ANSWER Spinal nerves contain sympathetic
fibers, while cranial nerves contain parasympathetic fibers
8. Sympathetic fibers leave the spinal cord in the - ANSWER thoracic and
lumbar regions
9. If acetylcholine binds to muscarinic receptors - ANSWER G proteins
mediate the cell's response
10.Parasympathetic preganglionic axons from the sacral region of the spinal
cord course through______ nerves that innervate the ______. - ANSWER
pelvic; lower colon and reproductive glands
,11.Autonomic reflexes - ANSWER are integrated somewhere in the CNS
12.Axons exit the sympathetic chain ganglia by all of the following except -
ANSWER cranial nerves
13.What type of reflex operates independently of the CNS? - ANSWER local
reflex
14.When a person consumes a substantial amount of nicotine, the response -
ANSWER both increases parasympathetic responses and increases
sympathetic responses
15.Acetylcholine will cause the pupil of the eye to constrict. A drug acts on
receptors of acetylcholine to cause the pupils of the eye to dilate. Nicotine
does not bind to receptors in smooth muscle cells of the iris. Therefore, the
drug which causes the pupils to dilate is a - ANSWER muscarinic blocking
agent
16.When norepinephrine binds to adrenergic receptors - ANSWER G proteins
mediate the cell's response
17.What part of the brain is in overall control of the ANS - ANSWER
hypothalamus
18.When acetylcholine binds with nicotinic receptors, the response is -
ANSWER excitatory
19.In the sympathetic division of the ANS - ANSWER the preganglionic cell
body is located in the lateral horn of the spinal cord.
20.Which chemical class of hormone is more likely to need binding protein for
transport in the blood? - ANSWER lipid-soluble
21.Lipid-soluble hormones can be more easily excreted once they have water-
soluble molecules added to their structure in a process called - ANSWER
conjugation
22.How do most water-soluble hormones travel in the bloodstream? -
ANSWER as free hormones
,23.Phosphodiesterase functions - ANSWER to inactivate cyclic AMP
24.What is the smallest level of organization in the body that contains the
body's genetic information?
Select one:
a. chemical
b. cellular
c. tissue
d. organism - ANSWER B. Cellular
The cellular level includes the nucleus, an organelle that contains the body's
genetic information.
25.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
26.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
27.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.
, 28.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
29.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
30.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
31.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
32.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
Physiology 1, Straighterline A&P 1 Cumulative
Exam Questions and Answers A+ Guaranteed
1. To focus on objects closer than 20 feet - ANSWER the ciliary muscles must
contract
2. Which of the special senses contains receptor neurons that are the only nerve
cells in direct contact with the outside environment - ANSWER smell
3. John sees Marth; the pupils of his eyes dilate. It is "love at first sight." What
division(s) of the ANS is (are) involved? - ANSWER sympathetic division
4. Sympathetic preganglionic axons - ANSWER can synapse in either chain or
collateral ganglia
5. The two divisions of the ANS have antagonistic effects on each of the
following EXCEPT - ANSWER the diameter of the blood vessels in skeletal
muscles
6. The _____________ division of the ANS functions mainly under ordinary,
restful conditions - ANSWER parasympathetic
7. How does distribution of sympathetic nerves differ from the distribution of
parasympathetic nerves - ANSWER Spinal nerves contain sympathetic
fibers, while cranial nerves contain parasympathetic fibers
8. Sympathetic fibers leave the spinal cord in the - ANSWER thoracic and
lumbar regions
9. If acetylcholine binds to muscarinic receptors - ANSWER G proteins
mediate the cell's response
10.Parasympathetic preganglionic axons from the sacral region of the spinal
cord course through______ nerves that innervate the ______. - ANSWER
pelvic; lower colon and reproductive glands
,11.Autonomic reflexes - ANSWER are integrated somewhere in the CNS
12.Axons exit the sympathetic chain ganglia by all of the following except -
ANSWER cranial nerves
13.What type of reflex operates independently of the CNS? - ANSWER local
reflex
14.When a person consumes a substantial amount of nicotine, the response -
ANSWER both increases parasympathetic responses and increases
sympathetic responses
15.Acetylcholine will cause the pupil of the eye to constrict. A drug acts on
receptors of acetylcholine to cause the pupils of the eye to dilate. Nicotine
does not bind to receptors in smooth muscle cells of the iris. Therefore, the
drug which causes the pupils to dilate is a - ANSWER muscarinic blocking
agent
16.When norepinephrine binds to adrenergic receptors - ANSWER G proteins
mediate the cell's response
17.What part of the brain is in overall control of the ANS - ANSWER
hypothalamus
18.When acetylcholine binds with nicotinic receptors, the response is -
ANSWER excitatory
19.In the sympathetic division of the ANS - ANSWER the preganglionic cell
body is located in the lateral horn of the spinal cord.
20.Which chemical class of hormone is more likely to need binding protein for
transport in the blood? - ANSWER lipid-soluble
21.Lipid-soluble hormones can be more easily excreted once they have water-
soluble molecules added to their structure in a process called - ANSWER
conjugation
22.How do most water-soluble hormones travel in the bloodstream? -
ANSWER as free hormones
,23.Phosphodiesterase functions - ANSWER to inactivate cyclic AMP
24.What is the smallest level of organization in the body that contains the
body's genetic information?
Select one:
a. chemical
b. cellular
c. tissue
d. organism - ANSWER B. Cellular
The cellular level includes the nucleus, an organelle that contains the body's
genetic information.
25.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
26.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
27.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.
, 28.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
29.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
30.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
31.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
32.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
