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Which condition is caused by a lack of blood flow to the brain, leading to the death of brain tissue?
Stroke
Which condition involves a gradual loss of the myelin sheath in the central nervous system, leading to impaired nerve function?
Multiple sclerosis
What is the primary function of the cerebellum?
Coordinates balance and muscle activity
Which of the following is the basic functional unit of the nervous system?
Neuron
Which of the following is a risk factor for ischemic stroke?
Smoking
Which neurotransmitter is associated with mood regulation and is often targeted by antidepressant medications?
Serotonin
Which lobe of the brain is responsible for processing visual information?
Occipital lobe
What is the role of the myelin sheath in neuron function?
Increases the speed of impulse transmission
What is the purpose of administering tPA in the patient?
To dissolve the blood clot
Central nervous system
Brain and spinal cord
Peripheral nervous system
Nerves in the body outside the brain and spinal cord
Autonomic nervous system
Controls involuntary muscles and glands (heart rate, etc.)
Somatic nervous system
Controls voluntary muscles in the body
Sympathetic nervous system
Autonomic division responsible for the “flight or fight” response in response to stress
Parasympathetic nervous system
Autonomic division of the nervous system responsible for the “rest and digest” response
Which part of the brain is most likely affected, given the patient’s symptoms?
Left cerebral hemisphere
Synapse
Point of communication between two neurons
Aphasia
Inability to speak or understand language
Neuroglia
Support and protect nervous tissue
Axon
Fiber that carries impulses away from the neuron cell body
Which disorder is characterized by a sudden, brief disruption in normal brain activity, often resulting in convulsions or altered consciousness?
Seizure disorder
__________ neurons carry sensory impulses from the body to the brain ________ neurons carry motor impulses from the brain to the body.
Afferent, efferent
Which best describes the cranial nerves?
Nerves coming directly out of the brain
Which neurological disorder is characterized by progressive loss of memory and cognitive function, often in older adults?
Alzheimer’s disease
What does the CT scan reveal in this case?
Occlusion in a cerebral artery
Which division of the nervous system control involuntary actions such as heart rate and digestion?
Autonomic nervous system (ANS)
What is the function of the medulla oblongata?
Regulates heart rate and blood pressure
What type of stroke occurs when a blood vessel ruptures in the brain, leading to bleeding?
Hemorrhagic stroke