UNDERSTANDING PATHO EXAM SUCCESS: ULTIMATE
A+, QUESTIONS AND ANSWERS BREAKDOWN
Which pathway carries sensory information toward the central nervous system (CNS)?
a. Descending
b. Somatic
c. Efferent
d. Ascending
D; ascending
Which type of axon transmits a nerve impulse at the highest rate?
a. Large myelinated
b. Large nonmyelinated
c. Small nonmyelinated
d. Small myelinated
A; large myelinated
Which nerves are capable of regeneration?
a. Myelinated nerves in the peripheral nervous system
b. Unmyelinated nerves of the peripheral nervous system
c. Nerves within the brain and spinal cord
d. Peripheral nerves that are cut or severed
A; myelinated nerves in the peripheral nervous system
Where is the neurotransmitter, norepinephrine, secreted?
a. Sympathetic postganglion
b. Somatic nervous system
c. Parasympathetic preganglion
d. Parasympathetic postganglion
A; sympathetic postganglion
Both oligodendroglia and Schwann cells share the ability to do what?
, a. Transport nutrients
b. Line the ventricles
c. Form a myelin sheath
d. Remove cellular debris
C; Form a myelin sheath
Pricking one's finger with a needle would cause minimal pain, whereas experiencing abdominal
surgery would produce more pain. This distinction is an example of which pain theory?
a. Gate control theory
b. Intensity theory
c. Pattern theory
d. Specificity theory
D; Specificity theory
Which pain theory proposes that a balance of impulses conducted from the spinal cord to the higher
centers in the central nervous system (CNS) modulates the transmission of pain?
a. Gate control theory (GCT)
b. Neuromatrix theory
c. Pattern theory
d. Specificity theory
A; Gate control theory (GCT)
Which type of nerve fibers transmits pain impulses?
a. A-alpha (Aα) fibers
b. A-delta (Aδ) fibers
c. A-beta (Aβ) fibers
d. B fibers
B; A-delta (Aδ) fibers
Where are the primary-order pain-transmitting neurons located within the spinal cord?
a. Anterior root ganglia
b. Dorsal root ganglia
A+, QUESTIONS AND ANSWERS BREAKDOWN
Which pathway carries sensory information toward the central nervous system (CNS)?
a. Descending
b. Somatic
c. Efferent
d. Ascending
D; ascending
Which type of axon transmits a nerve impulse at the highest rate?
a. Large myelinated
b. Large nonmyelinated
c. Small nonmyelinated
d. Small myelinated
A; large myelinated
Which nerves are capable of regeneration?
a. Myelinated nerves in the peripheral nervous system
b. Unmyelinated nerves of the peripheral nervous system
c. Nerves within the brain and spinal cord
d. Peripheral nerves that are cut or severed
A; myelinated nerves in the peripheral nervous system
Where is the neurotransmitter, norepinephrine, secreted?
a. Sympathetic postganglion
b. Somatic nervous system
c. Parasympathetic preganglion
d. Parasympathetic postganglion
A; sympathetic postganglion
Both oligodendroglia and Schwann cells share the ability to do what?
, a. Transport nutrients
b. Line the ventricles
c. Form a myelin sheath
d. Remove cellular debris
C; Form a myelin sheath
Pricking one's finger with a needle would cause minimal pain, whereas experiencing abdominal
surgery would produce more pain. This distinction is an example of which pain theory?
a. Gate control theory
b. Intensity theory
c. Pattern theory
d. Specificity theory
D; Specificity theory
Which pain theory proposes that a balance of impulses conducted from the spinal cord to the higher
centers in the central nervous system (CNS) modulates the transmission of pain?
a. Gate control theory (GCT)
b. Neuromatrix theory
c. Pattern theory
d. Specificity theory
A; Gate control theory (GCT)
Which type of nerve fibers transmits pain impulses?
a. A-alpha (Aα) fibers
b. A-delta (Aδ) fibers
c. A-beta (Aβ) fibers
d. B fibers
B; A-delta (Aδ) fibers
Where are the primary-order pain-transmitting neurons located within the spinal cord?
a. Anterior root ganglia
b. Dorsal root ganglia
