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WorksheetsPeripheral Nervous System
Total questions: 10
Worksheet time: 5mins
The Peripheral Nervous System (PNS) includes:
Brain and spinal cord
All nerves and ganglia outside the CNS
Only sensory nerves
Only motor nerves
How many pairs of cranial nerves do humans have?
12
24
31
6
Which type of neurons carry signals to the CNS?
Motor (efferent) neurons
Sensory (afferent) neurons
Mixed neurons
Reflex neurons
The somatic nervous system controls:
Involuntary organ functions
Automatic reflexes
Voluntary movements like walking and writing
Heart rate and digestion
Which cranial nerve is responsible for smell?
Optic (II)
Facial (VII)
Olfactory (I)
Vagus (X)
How many pairs of spinal nerves are in the human body?
12
20
31
50
Which division of the autonomic nervous system is activated in emergencies (fight-or-flight)?
Parasympathetic
Somatic
Sympathetic
Enteric
Which of these is a parasympathetic response?
Increased heart rate
Dilated pupils
Stimulates digestion
Sweating
Charcot-Marie-Tooth disease causes:
Vision loss from the optic nerve
Severe facial pain
Muscle weakness and atrophy in legs and feet
Numbness and tingling in hands and feet from diabetes
What do dermatomes represent?
Areas of skin supplied by sensory fibers from a single spinal nerve
Brain regions controlling smell and vision
Muscle groups controlled by motor neurons
Reflex pathways bypassing the brain
