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WorksheetsYMHA Units 1-7 Quiz
Total questions: 42
Worksheet time: 14mins
Which part of a neuron carries its informational output to the next cell or target?
Dendrite
Axon
Myelin
Glia
Which system is made up of the brain and the spinal cord?
Peripheral Nervous System
Central Nervous System
Endocrine System
Circulatory System
What is the wrinkly outer layer on the surface of the brain called?
Sulci
Gyri
Cerebral Cortex
Hemisphere
What are the bumps on the surface of the brain called?
Sulci
Gyri
Cortex
Axons
Which term refers to one half of the brain?
Sulcus
Hemisphere
Cortex
Dendrite
What is the function of glia in the nervous system?
Transmit signals like neurons
Play many important roles in the brain but do not transmit signals
Form the outer layer of the brain
Control muscle movement
Which structure insulates the axon and allows the signal to travel faster and farther?
Dendrite
Myelin
Sulci
Gyri
Which of the following best describes the function of the spinal cord?
Processes genetic information
Connects the brain to the body through a long bundle of axons
Produces hormones
Controls voluntary muscle movement only
If a neuron needs to send a signal to many other neurons, which part of the neuron is responsible for branching out to connect to different neurons?
Dendrite
Axon terminals
Myelin
Sulci
What is an action potential?
A fatty coating on axons
An electrical signal that travels down the length of a neuron's axon
The outer layer of the brain
The grooves on the brain's surface
Which part of a neuron receives incoming signals and can have multiple extensions?
Axon
Dendrite
Myelin
Glia
What is the function of neurotransmitters in the nervous system?
They provide structural support to neurons.
They transmit information from one neuron to another.
They insulate axons to speed up signal transmission.
They connect the left and right hemispheres of the brain.
Which part of the brain is primarily responsible for processing visual information?
Frontal lobe
Parietal lobe
Occipital lobe
Temporal lobe
What is the main role of the hippocampus?
Coordination of complex movements
Forming long-term memories
Emotional response
Controlling heart rate and breathing
Which brain structure connects the left and right hemispheres?
Amygdala
Corpus callosum
Brain stem
Cerebellum
What is the difference between gray matter and white matter in the brain?
Gray matter is made up of myelinated axons, white matter is made up of cell bodies.
Gray matter is made up of neuron cell bodies and dendrites, white matter is made up of myelinated axons.
Gray matter is only found in the spinal cord, white matter is only found in the brain.
Gray matter processes visual information, white matter processes auditory information.
A researcher induces a lesion in a specific brain region of a lab animal. What is the most likely purpose of this procedure?
To increase the animal's memory capacity
To study the effects of damage to that brain region
To enhance neurotransmitter release
To improve coordination of complex movements
Which lobe of the cerebral cortex is most associated with decision-making, planning, and motor control?
Parietal lobe
Occipital lobe
Frontal lobe
Temporal lobe
During which periods is the brain most adaptable to certain changes, such as acquiring cognitive and physical characteristics?
Lesion periods
Synaptic periods
Critical/Sensitive periods
Amygdala periods
A student is asked to explain how the brain stem contributes to survival. Which of the following is the best explanation?
It processes visual information.
It is involved in emotional response.
It controls automatic functions like heart rate, sleep cycles, and breathing.
It connects the left and right hemispheres.
Which of the following best describes circadian rhythms?
Physiological, behavioral, or cognitive changes aligned to a roughly 24-hour cycle
Rapid eye movement during sleep
The ability to recall facts and lists
The use of radioactive tracers to measure brain function
REM sleep is characterized by:
Rapid eye movement and muscle paralysis
High brain plasticity
The recall of semantic memories
The use of MRI technology
Which brain imaging technique uses magnetic fields and radio waves to obtain a picture of the brain?
MRI
PET
CT
EEG
What does PET (Positron Emission Tomography) use to measure brain function?
A radioactive tracer
Magnetic fields
X-rays
Electrodes
Which imaging method uses multiple electrodes placed on the scalp to measure electrical activity in the brain?
EEG
CT
PET
fMRI
What does high temporal resolution in brain imaging refer to?
How fast a brain imaging method can gather data of the brain’s activity
How small an area of the brain can be imaged
The use of radioactive tracers
The ability to recall specific events
Spatial resolution in brain imaging refers to:
How small an area of the brain an imaging method can gather data from
How fast the brain’s activity can be measured
The use of magnetic fields and radio waves
The ability to recall facts and lists
Which procedure involves sending electric currents through the brain to generate a brief “storm” of firing neurons?
Electroconvulsive Therapy (ECT)
Deep Brain Stimulation (DBS)
Frontal Lobotomy
Mindfulness Meditation
What is the main focus of mindfulness meditation?
Focusing on, but not trying to change, thoughts, sensations, and emotions
Destroying or severing part of the frontal lobe
Sending electrical pulses through the brain
Releasing hormones in response to stress
Which hormone is released in response to stress?
Cortisol
Dopamine
Serotonin
Adrenaline
What is the role of dopamine in the brain?
It plays many roles, including being important in the reward system and is released in response to rewarding or motivating stimuli.
It is a hormone released in response to stress.
It is a gene that codes for physical traits.
It is a type of meditation practice.
Which term describes the ability to understand and/or share the feelings of another person?
Empathy
Compassion
Meditation
Substance Misuse
What is drug tolerance?
As the body adapts to a drug, the same amount produces less of a reaction, requiring a higher dose for the same effect.
The negative mental or physical symptoms from stopping a drug.
A medical treatment to rid the body of a drug.
The use of a machine to detect lies.
Which of the following best describes withdrawal?
A machine used for lie detection.
Negative mental or physical symptoms that result from stopping or reducing the intake of a drug.
A medical treatment to manage drug symptoms.
The process of increasing drug tolerance.
Which term describes a condition where a person begins using a substance again after stopping for a period of time?
Trigger
Relapse
Withdrawal
Detoxification
What does a polygraph measure?
Drug tolerance and withdrawal symptoms.
Three signs of autonomic arousal: blood pressure, heart rate, and respiration rate.
Environmental toxins in the air.
The validity of an experiment.
Which of the following best describes mentalizing?
Process of attributing mental states to others
A method of stimulating the brain with magnets
A device that acquires brain signals and translates them into commands
A systematic way people tend to behave irrationally
Which of the following is a non-invasive method?
Transcranial magnetic stimulation (TMS)
Deep Brain Stimulation (DBS)
Implanting a neuroprosthetic device
Surgical removal of brain tissue
What is the function of a brain-computer interface (BCI)?
To acquire brain signals and translate them into commands for output devices
To stimulate the brain with electrical currents
To enhance memory using drugs
To grow neurons in a dish
How do cognitive biases affect human thinking?
They lead people to behave or think not completely rationally, causing mistakes or incorrect assumptions
They enhance memory and attention
They allow for the creation of brain organoids
They stimulate the brain with electrical currents
Which method is used to treat diseases like Parkinson’s by implanting an electrical device deep inside the brain?
Deep Brain Stimulation (DBS)
Vagus Nerve Stimulation (VNS)
Transcranial magnetic stimulation (TMS)
Brain organoids
What is the main difference between invasive and non-invasive methods in neurotechnology?
Non-invasive methods do not puncture the skin or damage tissue, while invasive methods usually involve surgical implantation
Non-invasive methods always use electrical currents, while invasive methods use magnets
Invasive methods are only used for cognitive enhancement, while non-invasive methods are for disease treatment
Non-invasive methods are less effective than invasive methods
