INTRODUCTORY MEDICAL SURGICAL
NURSING LORETTA EXAM SCRIPT 2026
COMPLETE SOLUTION SET GRADED A+
◉ Name two functions of the spinal cord. Answer: -Provide centers
for reflex action
-Serve as a pathway for impulses to and from the brain
◉ What is the function of the central nervous system. Answer: To
control most functions of the body and mind
◉ What is the function of the peripheral nervous system. Answer: -
To connect the CNS to the limbs and organs
-Serving as communication relay between brain and extremities
◉ Name eight diagnostic procedures performed to detect neurologic
disorders.. Answer: -Lumbar Puncture
-Electroencephalogram
-Electromyography
-Echoencephalography
-Nerve Conduction Studies
-Imaging Procedures
,-Contrast Studies
-Brain Scan
◉ Sensory neurons (dendrites) transmit impulses _______ the CNS..
Answer: Towards (afferent)
◉ Motor neurons (axons) transmit impulses _______ the CNS..
Answer: Away from (efferent)
◉ What is a neuron composed of?. Answer: -Cell body
-Nucleus
-Thread like projections called dendrites
-Fibers called axons
◉ Which is larger, an axon or a dendrite?. Answer: Axon
◉ What are neurons?. Answer: Separate units that are not directly
connected to one another.
◉ How do impulses travel from one neuron to the next?. Answer:
Synapses
, ◉ What substance helps accomplish the transmission of an impulse
from one neuron to the next?. Answer: Neurotransmitters
◉ Do neurotransmitters excite or inhibit neurons?. Answer: Both
◉ A. Dendrites
B. Cell Body
C. Nucleus
*Axon located below C and before D
D. Myelin Sheath
*Schwain Cells make up the myelin sheath
*Neurilemma Covers the myelin sheath
E. Node of Ranvier
*Out to the Synaptic Terminals. Answer:
◉ What is the fatty substance that covers some axons in the CNS and
PNS?. Answer: Myelin
◉ What is the membranous sheath that covers the myelin of axons
in peripheral nerves?. Answer: Neurilemma
◉ What are axons covered by myelin called?. Answer: -Myelinated
NURSING LORETTA EXAM SCRIPT 2026
COMPLETE SOLUTION SET GRADED A+
◉ Name two functions of the spinal cord. Answer: -Provide centers
for reflex action
-Serve as a pathway for impulses to and from the brain
◉ What is the function of the central nervous system. Answer: To
control most functions of the body and mind
◉ What is the function of the peripheral nervous system. Answer: -
To connect the CNS to the limbs and organs
-Serving as communication relay between brain and extremities
◉ Name eight diagnostic procedures performed to detect neurologic
disorders.. Answer: -Lumbar Puncture
-Electroencephalogram
-Electromyography
-Echoencephalography
-Nerve Conduction Studies
-Imaging Procedures
,-Contrast Studies
-Brain Scan
◉ Sensory neurons (dendrites) transmit impulses _______ the CNS..
Answer: Towards (afferent)
◉ Motor neurons (axons) transmit impulses _______ the CNS..
Answer: Away from (efferent)
◉ What is a neuron composed of?. Answer: -Cell body
-Nucleus
-Thread like projections called dendrites
-Fibers called axons
◉ Which is larger, an axon or a dendrite?. Answer: Axon
◉ What are neurons?. Answer: Separate units that are not directly
connected to one another.
◉ How do impulses travel from one neuron to the next?. Answer:
Synapses
, ◉ What substance helps accomplish the transmission of an impulse
from one neuron to the next?. Answer: Neurotransmitters
◉ Do neurotransmitters excite or inhibit neurons?. Answer: Both
◉ A. Dendrites
B. Cell Body
C. Nucleus
*Axon located below C and before D
D. Myelin Sheath
*Schwain Cells make up the myelin sheath
*Neurilemma Covers the myelin sheath
E. Node of Ranvier
*Out to the Synaptic Terminals. Answer:
◉ What is the fatty substance that covers some axons in the CNS and
PNS?. Answer: Myelin
◉ What is the membranous sheath that covers the myelin of axons
in peripheral nerves?. Answer: Neurilemma
◉ What are axons covered by myelin called?. Answer: -Myelinated
