Nervous System Basics
What two systems make up the nervous system?
Peripheral Nervous System & Central Nervous System.
Neurons are responsible for ________.
Sending signals.
Name the 3 external structures of the brain.
Cerebrum, Cerebellum, Brain Stem.
What does cerebrospinal fluid look like?
Clear, odorless liquid.
Name 2 vital signs
Temperature, pulse, blood pressure, respiratory rate
What organ controls all the body’s organs and processes information?
The brain
What chemicals help send messages across the synapse?
Neurotransmitters
What lobe is responsible for sensing touch, language, and spatial reasoning?
Parietal lobe
Which imaging exam uses magnetic fields & radio waves to create a detailed 3D image?
MRI
What is the dependent variable? Scientists test whether jazz increases heart rate.
Heart rate
The CNS is made up of the ______ and ______
Brain and spinal cord.
True or False: The insulator of a neuron is the myelin sheath.
True
The motor cortex is found in which lobe?
Frontal lobe
Name the test where electrodes measure how fast signals travel through nerves.
Nerve Conduction Velocity Test (NCV).
What is the formula for attack rate?
Sick / total × 100
True or False: Nerves collect and respond to stimuli.
True
What is the input? “Sam felt the cold wind on her face when she opened the window after blowing out a candle.”
Sam felt the cold wind on her face.
The left and right hemispheres are divided by the ________.
Corpus callosum.
What type of disease agent does NOT need a host to multiply?
Bacteria
What step comes after “Experiment” in the scientific process?
Analyze the data
What system is composed of sensory and motor neurons everywhere except the brain & spinal cord?
Peripheral Nervous System.
What exam checks vision, speech, strength, sensation, balance, reflexes, and memory?
A neurological exam
Patient bumps into things and has walking trouble. MRI shows a tumor. Which lobe?
Parietal lobe
CFS (cerebrospinal fluid) test is located where?
In the spine
List all 7 steps of the scientific method (in any correct order)
Problem
Hypothesis
Independent Variable
Dependent Variable
Experiment
Analyze Data
Conclusion & Summary