BIO 201 Exam 4 Verified Exam Questions and Answers Latest update
2026/2027
Question:
What is the nervous system?
Answer:
The foundation of our conscious experience, personality, and behavior.
Question:
Endocrine system
Answer:
Made up glands that communicate by releasing chemical messengers, hormones, into the blood
Question:
Nervous system
Answer:
Uses electrical and chemical methods to send messages from the brain to the rest of the body
Question:
How does the nervous system work?
Answer:
Sense organs receive information about changes in the body and external environment, and transmit
coded messages to the central nervous system (brain and spinal cord) CNS processes this information,
relates it to past experiences, and determines appropriate response
Question:
Two major subdivisions of Nervous system
Answer:
CNS issues commands to muscles and gland cells to carry out such a response Central Nervous
System (CNS) and Peripheral Nervous System (PNS)
Question:
Central Nervous System (CNS)
Answer:
Consists of the brain and spinal cord Enclosed by cranium and vertebral column
, Question:
Peripheral Nervous System (PNS)
Answer:
Composed of nerves and ganglia
Question:
Nerve Def.
Answer:
A bundle of nerve fibers (axon) wrapped in fibrous connective tissue
Question:
Ganglion Def.
Answer:
A knot-like swelling in a nerve where neuron cell bodies are concentrated
Question:
Peripheral nervous system contains ___ and ___ divisions each with ___ and ___ subdivisions.
Answer:
Sensory and motor; somatic and visceral
Question:
Sensory (afferent) division Carries signals from receptors to CNS
Answer:
Question:
Somatic sensory division
Answer:
Carries signals from receptors in the skin, muscles, bones, and joints
Question:
Visceral sensory division
Answer:
Carries signals from the viscera (heart, lungs, stomach, and urinary bladder)
2026/2027
Question:
What is the nervous system?
Answer:
The foundation of our conscious experience, personality, and behavior.
Question:
Endocrine system
Answer:
Made up glands that communicate by releasing chemical messengers, hormones, into the blood
Question:
Nervous system
Answer:
Uses electrical and chemical methods to send messages from the brain to the rest of the body
Question:
How does the nervous system work?
Answer:
Sense organs receive information about changes in the body and external environment, and transmit
coded messages to the central nervous system (brain and spinal cord) CNS processes this information,
relates it to past experiences, and determines appropriate response
Question:
Two major subdivisions of Nervous system
Answer:
CNS issues commands to muscles and gland cells to carry out such a response Central Nervous
System (CNS) and Peripheral Nervous System (PNS)
Question:
Central Nervous System (CNS)
Answer:
Consists of the brain and spinal cord Enclosed by cranium and vertebral column
, Question:
Peripheral Nervous System (PNS)
Answer:
Composed of nerves and ganglia
Question:
Nerve Def.
Answer:
A bundle of nerve fibers (axon) wrapped in fibrous connective tissue
Question:
Ganglion Def.
Answer:
A knot-like swelling in a nerve where neuron cell bodies are concentrated
Question:
Peripheral nervous system contains ___ and ___ divisions each with ___ and ___ subdivisions.
Answer:
Sensory and motor; somatic and visceral
Question:
Sensory (afferent) division Carries signals from receptors to CNS
Answer:
Question:
Somatic sensory division
Answer:
Carries signals from receptors in the skin, muscles, bones, and joints
Question:
Visceral sensory division
Answer:
Carries signals from the viscera (heart, lungs, stomach, and urinary bladder)
