BIO 225 EXAM 4 TARA DUCK 2024
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
Which nerve plexus forms the nerves that innervate the upper arm?
a.Cervical
b.Sacral
c.Lumbar
d.Brachial - ANSWERS-Brachial
QUESTION 2
Temperature receptors can monitor the core temperature of the body. How are they
classified?
a.Interoceptor, Thermoreceptors
b.Exteroceptor, Thermoreceptors
c.Interoceptor, Nociceptors
d.Exteroceptor, Nociceptors - ANSWERS-a.Interoceptor, Thermoreceptors
QUESTION 3
END OF
PAGE 1
, BIO 225 EXAM 4 TARA DUCK 2024
Cluster of neuron cell bodies that form an area of gray matter in the PNS.
Functions as a processing center.
a.Ganglia
b.Tract
c.Nerve
d.Nuclei - ANSWERS-Ganglia
QUESTION 4
Why does the body present visceral pain as somatic pain in a format we refer to as
referred pain?
a.Both visceral and somatic pain utilize the same pathways so signals become
crossed
b.Visceral pain is very strong so it radiates out to the somatic areas
c.The organs are connected to the skin inside
d.We can not feel visceral so signal is transmitted to somatic for reception -
ANSWERS-a.Both visceral and somatic pain utilize the same pathways so signals
become crossed
QUESTION 5
END OF
PAGE 2
, BIO 225 EXAM 4 TARA DUCK 2024
the area where afferent impulses from all senses and all parts of the body are sorted
out and then relayed to the appropriate area of the sensory cortex. - ANSWERS-
Thalamus
QUESTION 6
Which functional area of the brain is responsible for keeping the cortex alert and
conscious and enhancing its excitability?
a.Broca's area
b. limbic system
c. reticular activating system
d. frontal eye fields - ANSWERS-Reticular activiating system
QUESTION 7
Which of the following does not enhance the conversion of short-term to long-term
memories?
a. your emotional state
b. association
c. memory consolidation
d. rehearsal - ANSWERS-memory consolidation
QUESTION 8
END OF
PAGE 3
, BIO 225 EXAM 4 TARA DUCK 2024
Which protective covering of the brain provides passageways for cerebrospinal
fluid (CSF) to drain into the superior sagittal sinus?
a. arachnoid mater
b. pia mater
c. membranous part of the dura mater
d. periosteal part of the dura mater - ANSWERS-A. arachnoid mater
QUESTION 9
Which of the following statements is correct concerning the spinal cord?
a. The white matter contains cell bodies for spinal nuclei.
b. Damage to sensory tracts in the spinal cord leads to paralysis.
c. Just like the cerebrum, the gray matter is found on the superficial surfaces.
d. Spinal nerves have mixed motor and sensory function. - ANSWERS-d. Spinal
nerves have mixed motor and sensory function.
Thalamus - ANSWERS-Gateway to the cerebrum
END OF
PAGE 4
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
Which nerve plexus forms the nerves that innervate the upper arm?
a.Cervical
b.Sacral
c.Lumbar
d.Brachial - ANSWERS-Brachial
QUESTION 2
Temperature receptors can monitor the core temperature of the body. How are they
classified?
a.Interoceptor, Thermoreceptors
b.Exteroceptor, Thermoreceptors
c.Interoceptor, Nociceptors
d.Exteroceptor, Nociceptors - ANSWERS-a.Interoceptor, Thermoreceptors
QUESTION 3
END OF
PAGE 1
, BIO 225 EXAM 4 TARA DUCK 2024
Cluster of neuron cell bodies that form an area of gray matter in the PNS.
Functions as a processing center.
a.Ganglia
b.Tract
c.Nerve
d.Nuclei - ANSWERS-Ganglia
QUESTION 4
Why does the body present visceral pain as somatic pain in a format we refer to as
referred pain?
a.Both visceral and somatic pain utilize the same pathways so signals become
crossed
b.Visceral pain is very strong so it radiates out to the somatic areas
c.The organs are connected to the skin inside
d.We can not feel visceral so signal is transmitted to somatic for reception -
ANSWERS-a.Both visceral and somatic pain utilize the same pathways so signals
become crossed
QUESTION 5
END OF
PAGE 2
, BIO 225 EXAM 4 TARA DUCK 2024
the area where afferent impulses from all senses and all parts of the body are sorted
out and then relayed to the appropriate area of the sensory cortex. - ANSWERS-
Thalamus
QUESTION 6
Which functional area of the brain is responsible for keeping the cortex alert and
conscious and enhancing its excitability?
a.Broca's area
b. limbic system
c. reticular activating system
d. frontal eye fields - ANSWERS-Reticular activiating system
QUESTION 7
Which of the following does not enhance the conversion of short-term to long-term
memories?
a. your emotional state
b. association
c. memory consolidation
d. rehearsal - ANSWERS-memory consolidation
QUESTION 8
END OF
PAGE 3
, BIO 225 EXAM 4 TARA DUCK 2024
Which protective covering of the brain provides passageways for cerebrospinal
fluid (CSF) to drain into the superior sagittal sinus?
a. arachnoid mater
b. pia mater
c. membranous part of the dura mater
d. periosteal part of the dura mater - ANSWERS-A. arachnoid mater
QUESTION 9
Which of the following statements is correct concerning the spinal cord?
a. The white matter contains cell bodies for spinal nuclei.
b. Damage to sensory tracts in the spinal cord leads to paralysis.
c. Just like the cerebrum, the gray matter is found on the superficial surfaces.
d. Spinal nerves have mixed motor and sensory function. - ANSWERS-d. Spinal
nerves have mixed motor and sensory function.
Thalamus - ANSWERS-Gateway to the cerebrum
END OF
PAGE 4
