NEW
Font size
WorksheetsNervous System Concepts and Functions
Total questions: 17
Worksheet time: 9mins
What is the primary function of the nervous system?
To produce hormones for growth.
To provide rapid communication and integration between various organs and with the outside environment.
To digest food and absorb nutrients.
To transport oxygen throughout the body.
What are the electrical signals that facilitate fast communication in the nervous system called?
Hormones
Neurotransmitters
Nerve impulses
Action potentials
What are the specialized cells that generate and carry nerve impulses?
Glial cells
Neurons
Muscle cells
Blood cells
Which part of the nervous system acts as the central processing center, receiving information, making decisions, and coordinating body responses?
Spinal cord
Nerves
Brain
Ganglia
What is the function of the spinal cord in the nervous system?
It produces nerve impulses.
It serves as a communication gateway between the brain and the trunk/limbs.
It interprets sensory information.
It controls voluntary muscle movements directly.
Nerves are described as cord-like structures that conduct information. What are they primarily composed of?
Cell bodies of neurons
Axons of neurons
Ganglia
Myelin sheaths
What is the primary role of ganglia in the nervous system?
To generate new neurons.
To protect the brain.
To serve as relay centers where neurons transmit information.
To produce cerebrospinal fluid.
Which two components make up the central nervous system?
Nerves and ganglia
Brain and spinal cord
Sensory and motor fibers
Cranial and spinal nerves
What constitutes the peripheral nervous system?
Brain and spinal cord
Cranial nerves only
Nerves and ganglia
Sensory receptors and effector organs
What type of information do sensory nerve fibers carry?
Motor instructions from the central nervous system.
Sensory information from receptors to the central nervous system.
Information between the brain and internal organs.
Voluntary muscle contractions.
What is the function of motor nerve fibers?
To detect changes within the body.
To carry sensory information to the brain.
To conduct motor instructions from the central nervous system to effector organs.
To connect cranial nerves to spinal nerves.
What are nerves called that contain both sensory and motor fibers?
Autonomic nerves
Somatic nerves
Mixed nerves
Cranial nerves
How many pairs of cranial nerves emerge from the base of the brain?
10 pairs
12 pairs
31 pairs
6 pairs
How many pairs of spinal nerves arise from segments of the spinal cord and innervate the trunk and limbs?
12 pairs
24 pairs
31 pairs
42 pairs
Which part of the peripheral nervous system controls voluntary muscular contractions and involuntary somatic reflexes?
Visceral nervous system
Autonomic nervous system
Central nervous system
Somatic nervous system
Which part of the peripheral nervous system controls involuntary muscular contractions and involuntary reflexes?
Visceral nervous system
Autonomic nervous system
Central nervous system
Somatic nervous system
________ acts as a major communication pathway in the autonomic nervous system connecting the brain to organs like the heart, lungs, digestive tract, and other organs to regulate unconscious functions like breathing.
Vagus nerve
Cerebellum
neurotransmitter
Brainstem
