Radiographic Pathology - Central Nervous System CH 8
Questions And Answers 2025/2026
Common term for neurons - CORRECT ANSWER-Nerve cells
Common term for neuroglia - CORRECT ANSWER-Interstitial tissue
Purpose of efferent nerves - CORRECT ANSWER-Sends signal from brain and spinal
cord to muscles and skin
Purpose of afferent nerves - CORRECT ANSWER-Sends signal from muscles and
skin back to spinal cord and brain
Name the two parts of the peripheral nervous system - CORRECT ANSWER-1)
sensory somatic
2) Automatic
How many cranial nerves are included in the sensory somatic part of the
peripheral nervous system - CORRECT ANSWER-12 pairs
How many spinal nerves are included in the sensory somatic part of the peripheral
nervous system - CORRECT ANSWER-31 pairs
,Purpose of peripheral nervous system - CORRECT ANSWER-Connecting CNS to
limbs and organs
Five main functions or duties of cerebrum - CORRECT ANSWER-1) Voluntary
movement
2) Receiving sensory impressions
3) Correlates activities that produce speech, language, thought, and memory
4) Movement/ sensation- opposite side of body
5) Brain cell activity= electrical impulses
Function of cerebellum - CORRECT ANSWER-1) Correlates groups of muscles for
kill movements
2)Maintains equilibrium and posture
Function of cerebellum - CORRECT ANSWER-1) Correlates groups of muscles for
skill movements
2)Maintains equilibrium and posture
List parts of brainstem - CORRECT ANSWER-1) Midbrain
2) Pons
3) Medulla oblongata
Functions of brainstem - CORRECT ANSWER-1) Controls cardia, vasomotor (muscle
control in blood vessels) , & respiration
2) Controls non-vital reflexes: vomiting, coughing, sneezing, swallowing
, Functions of brainstem - CORRECT ANSWER-1) Controls cardia, vasomotor (muscle
control in blood vessels) , & respiration
2) Controls non-vital reflexes: vomiting, coughing, sneezing, swallowing
What is the cauda equina - CORRECT ANSWER-Spinal nerves beyond conus
medullaris
Parts that form plexi - CORRECT ANSWER-1) Cervical
2) Brachial
3) Lumbosacral
Layers of the brain from outer to inner - CORRECT ANSWER-1) Dura mater (outer)
2) Arachnoid (middle)
3) Pia mater (inner)
Layer that adheres brain to spinal cord - CORRECT ANSWER-Pia mater
Connects occipital bone to cerebrum and cerebellum - CORRECT ANSWER-
Tentorium cerebelli
What layer has the appearance of cobwebs - CORRECT ANSWER-Arachnoid layer
Function of olfactory nerve - CORRECT ANSWER-Smell
Questions And Answers 2025/2026
Common term for neurons - CORRECT ANSWER-Nerve cells
Common term for neuroglia - CORRECT ANSWER-Interstitial tissue
Purpose of efferent nerves - CORRECT ANSWER-Sends signal from brain and spinal
cord to muscles and skin
Purpose of afferent nerves - CORRECT ANSWER-Sends signal from muscles and
skin back to spinal cord and brain
Name the two parts of the peripheral nervous system - CORRECT ANSWER-1)
sensory somatic
2) Automatic
How many cranial nerves are included in the sensory somatic part of the
peripheral nervous system - CORRECT ANSWER-12 pairs
How many spinal nerves are included in the sensory somatic part of the peripheral
nervous system - CORRECT ANSWER-31 pairs
,Purpose of peripheral nervous system - CORRECT ANSWER-Connecting CNS to
limbs and organs
Five main functions or duties of cerebrum - CORRECT ANSWER-1) Voluntary
movement
2) Receiving sensory impressions
3) Correlates activities that produce speech, language, thought, and memory
4) Movement/ sensation- opposite side of body
5) Brain cell activity= electrical impulses
Function of cerebellum - CORRECT ANSWER-1) Correlates groups of muscles for
kill movements
2)Maintains equilibrium and posture
Function of cerebellum - CORRECT ANSWER-1) Correlates groups of muscles for
skill movements
2)Maintains equilibrium and posture
List parts of brainstem - CORRECT ANSWER-1) Midbrain
2) Pons
3) Medulla oblongata
Functions of brainstem - CORRECT ANSWER-1) Controls cardia, vasomotor (muscle
control in blood vessels) , & respiration
2) Controls non-vital reflexes: vomiting, coughing, sneezing, swallowing
, Functions of brainstem - CORRECT ANSWER-1) Controls cardia, vasomotor (muscle
control in blood vessels) , & respiration
2) Controls non-vital reflexes: vomiting, coughing, sneezing, swallowing
What is the cauda equina - CORRECT ANSWER-Spinal nerves beyond conus
medullaris
Parts that form plexi - CORRECT ANSWER-1) Cervical
2) Brachial
3) Lumbosacral
Layers of the brain from outer to inner - CORRECT ANSWER-1) Dura mater (outer)
2) Arachnoid (middle)
3) Pia mater (inner)
Layer that adheres brain to spinal cord - CORRECT ANSWER-Pia mater
Connects occipital bone to cerebrum and cerebellum - CORRECT ANSWER-
Tentorium cerebelli
What layer has the appearance of cobwebs - CORRECT ANSWER-Arachnoid layer
Function of olfactory nerve - CORRECT ANSWER-Smell
