18 Questions
What carries sensory information from the body to the spinal cord and brain?
Afferent neurons
Which part of the nervous system enables the brain to perceive the outside world?
Peripheral nervous system
How many thoracic nerves are associated with the torso?
12
Which division of the nervous system conveys output from the CNS to skeletal muscles for voluntary movement?
Somatic nervous system
What travels up through the back of the skull and contributes to the brain's blood supply?
Vertebral arteries
Where do Sacral nerves primarily extend to?
Legs
What is the main function of the meninges?
To protect the nervous system
Which of the following substances can cross the blood-brain barrier?
Lipid-soluble substances
What is the function of the pia mater?
To stick closely to the outside of the brain
What is the purpose of the blood-brain barrier?
To prevent the passage of certain substances from the blood to the cerebrospinal fluid and brain
What is the name of the fluid circulating in the ventricles of the brain, the central canal of the spinal cord, and the subarachnoid space?
Cerebrospinal fluid (CSF)
What can break the blood-brain barrier?
Trauma, toxins, inflammation
What is the primary function of the Olfactory nerve?
Sensory information related to smell
Which nerve is responsible for controlling the movement of the tongue?
Hypoglossal nerve
What type of nerve is the Trigeminal nerve?
Mixed nerve
Which of the following nerves carries only sensory information?
Optic nerve
How many pairs of cranial nerves are there?
12 pairs
What type of nerves are Spinal nerves?
Mixed nerves
Test your knowledge of the basic components, structure, and function of the Central Nervous System (CNS) and Peripheral Nervous System (PNS). This quiz covers topics such as the meninges and membranes that protect the nervous system.
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