WorksheetsHBS 2.2 Review 2020
Total questions: 32
Worksheet time: 17mins
Motor neurons carry impulses __________ the brain
towards
away from
within
Which of the following describes the function of the Na/K Pumps in the neuron membrane?
depolarizing the cell by allowing Na into the cell
repolarizing the cell by allowing K out of the cell
rearranging Na and K back to return cell to resting state
Which of the following correctly outlines a reflex arc?
Motor neuron - interneuron - sensory neuron
Sensory neuron - interneuron - motor neuron
Sensory neuron - interneuron - brain - motor neuron
The dendrites of a neuron carry a stimulus
Towards the cell body
Away from the cell body
Through the cell body
During resting membrane potential, the inside of a neuron has a _______________ charge
negative
positive
neutral
Neurotransmitters are stored in which structure of the neuron?
Cell body
Dendrite
Axon terminals
Myelin is located on the ____________ and functions to ____________ nerve transmission.
dendrite - speed up
dendrite - slow down
axon - speed up
axon - slow down
Reaction time is ___________________ than reflex time.
faster
slower
same
Depolarization occurs when the inside of a cell becomes _________________ due to _________ gates opening.
positive - potassium
negative - potassium
positive - sodium
positive - sodiium
The spaces between myelin on an axon are called
axon gaps
nodes of ranvier
dendrite dents
Which of the following nervous system disorders occurs as a result of tangled plaques forming in brain tissue?
Huntington's disease
Alzheimer's disease
Parkinson's disease
Which of the following disorders is associated with a decrease in the neurotransmitter called dopamine?
parkinson's disease
epilepsy
ALS
Which of the following diagnoses best describes a disorder that involves seizure activity?
MS
ALS
epilepsy
Which of the following diseases does NOT affect memory or mental cognition?
ALS
Huntington's
Alzheimers
Using the image and word bank, identify the structure labelled #1
(a)
Using the image and the word bank, identify the structure labelled #2
(a)
Using the image and the word bank above, identify the structure labelled #3
(a)
Using the image and the word bank above, identify the structure labelled #4 (it is pointing to the entire covering)
(a)
Using the image and the word bank above, identify the structure labelled #5
(a)
Using the image and the word bank above, identify the structure labelled #6 (pointing to the space in between)
(a)
Using the image and the word bank above, identify the structure labelled #8
(a)
Using the image above, what part of the action potential is occurring at #3
depolarization
repolarization
hyperpolarization
Using the image above, what part of the action potential is occurring at #3
sodium is rushing into the cell
sodium channels are closing and potassium is rushing out of the cell
the Na+/K+ is actively working
Which number on the diagram above represents the threshold stimulus?
#1
#2
#5
At which # on the image below is K+ travelling out of the cell?
#2
#3
#4
A chronic disease of the central nervous system marked by damage to the myelin sheath causing tremors, weaksness, visual and speech disturbances
Huntington's Disease
Multiple Sclerosis
Alzheimers
Parkinson's Disease
Epilepsy
A genetic disease characterized by uncontrollable body movements & degeneration of the nervous system
Huntington's Disease
Multiple Sclerosis
Alzheimers
Parkinson's Disease
Epilepsy
