Nervous System Physiology 2025/2026
Exam Questions and Answers | A+ Score
Assured
central nervous system - 🧠 ANSWER ✔✔brain and spinal cord
peripheral nervous system - 🧠 ANSWER ✔✔the sensory and motor
neurons that connect the central nervous system to the rest of the body
afferent neurons - 🧠 ANSWER ✔✔Also called sensory nerves; nerves that
carry information about the external environment to the brain and spinal
cord via sensory receptors.
efferent neurons - 🧠 ANSWER ✔✔neurons that take information from the
brain to the rest of the body
, Neuron - 🧠 ANSWER ✔✔a nerve cell; the basic building block of the
nervous system
Neuroglia - 🧠 ANSWER ✔✔cells that support and protect neurons
Astrocytes - 🧠 ANSWER ✔✔links the nutrient-supplying capillaries to
neurons, and controls the chemical environment to protect neurons from
harmful substances, forms the blood brain barrier
Microglia - 🧠 ANSWER ✔✔Act as phagocytes, eating damaged cells and
bacteria, act as the brains immune system
ependymal cells - 🧠 ANSWER ✔✔produce and circulate cerebrospinal fluid
Oligodendrocytes - 🧠 ANSWER ✔✔Type of glial cell in the CNS that wrap
axons in a myelin sheath.
Schwann cells - 🧠 ANSWER ✔✔Supporting cells of the peripheral nervous
system responsible for the formation of myelin.
sattelite cells - 🧠 ANSWER ✔✔neuroglia in the PNS that are located around
cell bodies to regulate nutrients and wastes
Steps in an action potential: 5 steps - 🧠 ANSWER ✔✔1. Small increase in
sodium ion membrane permeability
Exam Questions and Answers | A+ Score
Assured
central nervous system - 🧠 ANSWER ✔✔brain and spinal cord
peripheral nervous system - 🧠 ANSWER ✔✔the sensory and motor
neurons that connect the central nervous system to the rest of the body
afferent neurons - 🧠 ANSWER ✔✔Also called sensory nerves; nerves that
carry information about the external environment to the brain and spinal
cord via sensory receptors.
efferent neurons - 🧠 ANSWER ✔✔neurons that take information from the
brain to the rest of the body
, Neuron - 🧠 ANSWER ✔✔a nerve cell; the basic building block of the
nervous system
Neuroglia - 🧠 ANSWER ✔✔cells that support and protect neurons
Astrocytes - 🧠 ANSWER ✔✔links the nutrient-supplying capillaries to
neurons, and controls the chemical environment to protect neurons from
harmful substances, forms the blood brain barrier
Microglia - 🧠 ANSWER ✔✔Act as phagocytes, eating damaged cells and
bacteria, act as the brains immune system
ependymal cells - 🧠 ANSWER ✔✔produce and circulate cerebrospinal fluid
Oligodendrocytes - 🧠 ANSWER ✔✔Type of glial cell in the CNS that wrap
axons in a myelin sheath.
Schwann cells - 🧠 ANSWER ✔✔Supporting cells of the peripheral nervous
system responsible for the formation of myelin.
sattelite cells - 🧠 ANSWER ✔✔neuroglia in the PNS that are located around
cell bodies to regulate nutrients and wastes
Steps in an action potential: 5 steps - 🧠 ANSWER ✔✔1. Small increase in
sodium ion membrane permeability
