IUPUI ANATOMY EXAM 4 CERTIFICATION
EVALUATION 2026 STUDY GUIDE
QUESTIONS AND ANSWERS
◉ Schwann cells (PNS) produce:
Answer: myelin; are on both unmyelinated and myelinated axons
◉ covering around an axon:
Answer: axolemma
◉ covering around a neuron:
Answer: neurolemma
◉ inside of a neuron is _____ and the outside is ____
Answer: negative; positive
◉ the cell body of a neuron is also know as:
Answer: soma/perakaryon
◉ satellite cells (PNS)
Answer: maintain the environement
,◉ Ependymal cells (CNS)
Answer: produce CSF
◉ Microglia (CNS)
Answer: Macrophages that devour and digest cellular debris
(phagocytosis)
◉ Astrocytes (CNS)
Answer: maintain blood brain barrier
◉ Oligodendrocytes (CNS)
Answer: produce myelin
◉ central canal is filled with:
Answer: CSF
◉ Exteroceptors
Answer: provide information about the external environment
◉ Proprioceptors
, Answer: monitor the position and movement of skeletal muscles and
joints
◉ Interoceptors
Answer: monitor visceral organs and functions
◉ Most outermost meninge?
Answer: dura mater
◉ Middle meninge?
Answer: arachnoid mater
◉ Most innermost meninge?
Answer: pia mater
◉ The subarachnoid space is filled with:
Answer: CSF
◉ The gray commissure connects:
Answer: the left and right portions of the spinal cord with axons
◉ The white commissure in the brain is:
EVALUATION 2026 STUDY GUIDE
QUESTIONS AND ANSWERS
◉ Schwann cells (PNS) produce:
Answer: myelin; are on both unmyelinated and myelinated axons
◉ covering around an axon:
Answer: axolemma
◉ covering around a neuron:
Answer: neurolemma
◉ inside of a neuron is _____ and the outside is ____
Answer: negative; positive
◉ the cell body of a neuron is also know as:
Answer: soma/perakaryon
◉ satellite cells (PNS)
Answer: maintain the environement
,◉ Ependymal cells (CNS)
Answer: produce CSF
◉ Microglia (CNS)
Answer: Macrophages that devour and digest cellular debris
(phagocytosis)
◉ Astrocytes (CNS)
Answer: maintain blood brain barrier
◉ Oligodendrocytes (CNS)
Answer: produce myelin
◉ central canal is filled with:
Answer: CSF
◉ Exteroceptors
Answer: provide information about the external environment
◉ Proprioceptors
, Answer: monitor the position and movement of skeletal muscles and
joints
◉ Interoceptors
Answer: monitor visceral organs and functions
◉ Most outermost meninge?
Answer: dura mater
◉ Middle meninge?
Answer: arachnoid mater
◉ Most innermost meninge?
Answer: pia mater
◉ The subarachnoid space is filled with:
Answer: CSF
◉ The gray commissure connects:
Answer: the left and right portions of the spinal cord with axons
◉ The white commissure in the brain is:
