Neurons/Divisons
Central NS
Action Potential and Synapse
Eyes and Ears
Random
100
An excitatory neurotransmitter would cause a postsynaptic cell to _____________ (assume threshold has been reached) and this would cause ________ to enter the cell.
What is depolarization, sodium
100
What is the part of the brain that coordinates muscle movement?
What is cerebellum
100
The minimum stimulus needed for an action potential to occur is called what?
What is threshold
100
Eyes contain a __________ where the photoreceptors are held. ________ are the photoreceptor for color (red, green and blue).
What is retina, and cones
100
An experiment test the various of water give to plants to see which grows best. Give an example of a control variable, a manipulated variable, and a responding variable.
What is controlled: sunlight, type of plant, soil Manipulated: water Responding: Height of plant
200
In the autonomic division of the nervous system, the _____________ system is for stressful situations and the _________________ system is to bring your body back to homestasis.
What is sympathetic and parasympathetic
200
What part of the nervous system is not likely to regenerate if damaged? Hint: think of the two main branches of the NS
What is the central nervous system
200
Explain the meaning of summation.
What is neurotransmitter are additive and the excitatory and inhibitory effects are combined.
200
Put the following parts of the ear in order that sound travels through. Also state which two sound does not travel through. Cochlea, ossicles, tympanic membrane, semicircular canal, eustachian tube, and auditory canal
What is auditory canal, tympanic membrane, ossicles, and cochlea. Two not for sound are semicircular canals and eustachian tube
200
In a neuron the ________________ carries impulses towards the cell body, and the __________ carries impulses away for the cell body.
What is dendrites, axon
300
The parasymathetic nervous system would __________ heart rate, _______________ digestion, and _________ the bladder muscles.
What is decrease, increase, relax.
300
If there was a drug that attached to cholinesterase to inhibit it in the synapse what would happened to the postsynaptic cell is acetylcholine was released?
What is there would be a depolarization and a continuation of action potential with no enzyme to break down the neurotransmitter,
300
If the amount of inhibitory neurotransmitters are increased in the synapse, the postsynaptic cell is less likely to _____________. These neurotransmitters can be removed form the synapse by ______________ or ______________.
What is depolarize, re-absorption, or enzymes
300
Categorize the following to whether they apply to rods or cones: are more numerous, are concentrated in the fovea centralis, are more function in dim light, are concentrated more on the side of the eyes, allow us to see multiple wavelengths
What is Cones: are concentrated in the fovea centralis,allow us to see multiple wavelengths Rods: are more numerous, are more function in dim light, are concentrated more on the side of the eyes
300
The accommodation reflex occurs when we look at ____________ objects then ___________ objects. The _______ in your eye changes the refraction of the light.
What is near, far, lens
400
Motor neurons have two divisions, ___________ which is voluntary and ___________ which is involuntary. All of there divisions are in the _____________ nervous system category.
What is somatic, autonomic, peripheral
400
Damage to __________ lobe would cause a change in personality. The optic nerve is connected to the __________ lobe and the auditory nerve is connected to the __________lobe.
What is the frontal, occipital, temporal
400
After depolarization, comes ______________ where K+ ____________ the cell. _______________ is when no new stimulus can cause an action potential.
What is repolarization, leaves, refractory period
400
____________ gives the eye ball its shape, _______________ controls the amount of light entering the eye, ___________bends the light to hit the retina, __________ detects various wavelengths.
What is sclera, iris, lens, cones
400
If you had brain damage on the right side of your brain your _______- side of you body would be affected. Your _______ neuron would still allow information to be transported but you ____________ neuron would not.
What is left, sensory, motor
500
Draw a nervous system web showing the different divisions. Include the following: sympathetic, autonomic, central NS, parasympathetic, somatic, and peripheral NS
What is central and peripheral Peripheral -> somatic and autonomic Autonomic-> sympathetic and parasympathetic
500
In the brain,the ___________ lobe receives sensory information which is located in which main division of the brain? _______ relays sensory information, _________ controls muscle movement, ____________ regulates the pituitary gland.
What is What is parietal, cerebrum, thalamus, cerebellum, hypothalamus
500
Explain 2 things you know about acetylcholine.
What is it's a neurotransmitter that is released at muscles synapses and the enzyme that breaks it down is cholinesterase.
500
When sound is hear the oval window will be forced inward towards the cochlea. What happens to the round window?
What is forced outward (opposite direction).
500
In the sympathetic NS _______________ is the neurotransmitter and in the parasympathetic NS ____________ is the neurotransmitter.
Norepinephrine and acetylcholine
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