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420+ Physiological Psychology Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Counselling Psychology (BSc Counselling Psychology) .

251.

______________ are neurotransmitters that regulate pain perception and are involved in the positive emotions associated with aerobic exercise.

A. Gamma-aminobutyric acid (GABA)
B. Norepinephrine
C. Endorphins
D. Serotonin
Answer» C. Endorphins
252.

Prozac works by inhibiting the reuptake of __________________, increasing the availability of this neurotransmitter in the brain.

A. Gamma-aminobutyric acid (GABA)
B. Norepinephrine
C. Dopamine
D. Serotonin
Answer» D. Serotonin
253.

_______________ is a highly specialized cell that communicates information in electrical and chemical form.

A. Neuron
B. Nerve cell
C. Chromosome
D. Nervous
Answer» A. Neuron
254.

_______________ is the primary internal communication network of the body; divided into the central nervous system and the peripheral nervous system.

A. Nervous system
B. Endocrine
C. Brain
D. Neuron
Answer» A. Nervous system
255.

_______________ is a type of neuron that signals muscles to contract or relax.

A. Interneurons
B. Sensory neurons
C. Motor neurons
D. Excitatory
Answer» C. Motor neurons
256.

_______________ is the part of a neuron that contains the nucleus.

A. Axons
B. Dendrites
C. Glial cells
D. Cell body
Answer» D. Cell body
257.

________________ is a brief electrical impulse by which information is transmitted along the axon of a neuron.

A. Myelin sheath
B. Synapse
C. Action potential
D. Neurotransmitter
Answer» C. Action potential
258.

_______________ is a chemical messenger manufactured by a neuron.

A. Myelin sheath
B. Synapse
C. Action potential
D. Neurotransmitter
Answer» D. Neurotransmitter
259.

______________ is the long, fluid-filled tube that carries a neuron's messages to other body areas.

A. Axon
B. Dendrite
C. Glial cell
D. Cell body
Answer» A. Axon
260.

________________ is the point of communication between two neurons.

A. Myelin sheath
B. Synapse
C. Action potential
D. Neurotransmitter
Answer» B. Synapse
261.

_________________ are the tiny pouches or sacs in the axon terminals that contain chemicals called neurotransmitters.

A. Synapses
B. Synaptic vesicles
C. Synaptic gaps
D. Postsynaptics
Answer» B. Synaptic vesicles
262.

_________________ is a neurotransmitter that is involved in the regulation of bodily movements and thought processes.

A. Gamma-aminobutyric acid (GABA)
B. Norepinephrine
C. Dopamine
D. Serotonin
Answer» C. Dopamine
263.

________________ is the neurotransmitter that inhibits brain activity.

A. Gamma-aminobutyric acid (GABA)
B. Norepinephrine
C. Dopamine
D. Serotonin
Answer» A. Gamma-aminobutyric acid (GABA)
264.

______________neurons communicate information from one neuron to the next.

A. Interneurons
B. Sensory neurons
C. Motor neurons
D. Excitatory
Answer» A. Interneurons
265.

The ________________ is a tiny space between the axon terminal of one neuron and the dendrite of an adjoining neuron.

A. Synapse
B. Synaptic vesicle
C. Synaptic gap
D. Postsynaptic
Answer» C. Synaptic gap
266.

_____________ are made up of large bundles of neuron axons.

A. Neurons
B. Nerves
C. Chromosomes
D. Cell bodies
Answer» B. Nerves
267.

________________ refer to simple, automatic behaviors that are produced by the spinal cord and occur without involvement of the brain.

A. Spinal reflexes
B. Presynaptic
C. Action potential
D. Resting potential
Answer» A. Spinal reflexes
268.

________________ is a chemical substance that inhibits the effect normally produced by a neurotransmitter at a receptor site.

A. Endorphins
B. Antagonist
C. Agonist
D. Serotonin
Answer» B. Antagonist
269.

Additional evidence indicates that ___________________ also serve to intensify positive sensations- for example, the "runner's high" many people experience after vigorous exercise.

A. Endorphins
B. Antagonist
C. Agonist
D. Serotonin
Answer» A. Endorphins
270.

Degeneration of ___________________ producing neurons has been linked to Parkinson's disease.

A. Serotonin
B. Norepinephrine
C. Dopamine
D. Endorphins
Answer» C. Dopamine
271.

When an action potential reaches the axon terminal, synaptic vesicles move toward the _____________________.

A. Cell body
B. Cell membrane
C. Nucleus
D. Dendrites
Answer» B. Cell membrane
272.

Within the axons of the neuron are _________________, which are held in storage-like vesicles until they are released when the neuron is stimulated.

A. Neurotransmitters
B. Synaptic vesicles
C. Dendrites
D. Cellbodies
Answer» A. Neurotransmitters
273.

The ______________ is the most basic signal in the nervous system which consists of a rapidly moving wave of depolarization that travels along the membrane of the individual neuron.

A. Myelin sheath
B. Synapse
C. Action potential
D. Neurotransmitter
Answer» C. Action potential
274.

_________________ are the small gaps in the myelin sheath surrounding the axons of many neurons.

A. Neurotransmitters
B. Synaptic vesicles
C. Nodes of Ranvier
D. Glial cells
Answer» C. Nodes of Ranvier
275.

_________________ carry information toward the cell body.

A. Cells
B. Neurons
C. Axons
D. Dendrites
Answer» D. Dendrites
276.

_________________ carry information away from the cell body.

A. Cells
B. Neurons
C. Axons
D. Dendrites
Answer» C. Axons
277.

In many neurons the axon is covered by a sheath of fatty material known as _____________.

A. Myelin
B. Neurons
C. Glial cells
D. Vesicles
Answer» A. Myelin
278.

_______________ help form a barrier that prevents certain substances in the bloodstream from reaching the brain.

A. Axons
B. Dendrites
C. Glial cells
D. Cell body
Answer» C. Glial cells
279.

Speeds along myelinated axons can reach ____________ miles per hour.

A. 280
B. 270
C. 260
D. 250
Answer» B. 270
280.

Stimulation, either directly or by chemical messages from other neurons, produces ___________________, a basic type of signal within neurons.

A. Spinal reflexes
B. Graded potentials
C. Action potentials
D. Resting potentials
Answer» B. Graded potentials
281.

Damage to the ___________________ surrounding axons can seriously affect synaptic transmission.

A. Glial cell
B. Endocrine
C. Nodes of Ranvier
D. Myelin sheath
Answer» D. Myelin sheath
282.

In diseases such as multiple sclerosis (MS), progressive deterioration of the _______________ leads to jerky, uncoordinated movements in the affected person.

A. Myelin sheath
B. Neurotransmitter
C. Nodes of Ranvier
D. Synapse
Answer» A. Myelin sheath
283.

The best-known imaging technique, and the first one developed for wide spread use, is an x-ray scanning procedure called ________________.

A. MRI scan
B. PET
C. CT scan
D. functional MRI
Answer» C. CT scan
284.

The pseudoscience associated with the study of the skull and personality became known as ___________.

A. Neuroscience
B. Neuropsychology
C. Bioscience
D. Phrenology
Answer» D. Phrenology
285.

The __________ of an organism is the full sequence of genes found on the chromosomes with the associated DNA.

A. X chromosome
B. Y chromosome
C. Genome
D. Genetics
Answer» C. Genome
286.

Researchers in the field of human behavior genetics unite __________ and psychology to explore the causal link between inheritance and behavior.

A. Chromosome
B. Behavior
C. Genome
D. Genetics
Answer» D. Genetics
287.

Researchers in the field of __________________ provide evolutionary explanations for the social behavior and social systems of humans and other animal species.

A. Sociobiology
B. Evolutionary psychology
C. Phrenology
D. Anthropology
Answer» A. Sociobiology
288.

The reticular formation has long tracts of fibers that run to the ____________, which channels incoming sensory information to the appropriate area of the cerebral cortex, where that information is processed.

A. Hypothalamus
B. Pons
C. Medulla
D. Thalamus
Answer» D. Thalamus
289.

The __________, which is the largest of the limbic system structures, plays an important role in the acquisition of memories.

A. Hippocampus
B. Thalamus
C. Amygdala
D. Pons
Answer» A. Hippocampus
290.

The area where the axon connects to the soma is ______________.

A. Axon hillock
B. Terminal buttons
C. Myelin sheath
D. Nodes of Ranvier
Answer» A. Axon hillock
291.

When the ___________________is too large to be jumped by the neural impulse, the signal/information must be passed using chemicals as neurotransmitters instead of electrical currents.

A. Spinal reflex
B. Presynaptic
C. Action potential
D. Synaptic cleft
Answer» D. Synaptic cleft
292.

______________ is the DNA segments that serve as the key functional units in hereditary transmission.

A. Chromosome
B. Genotype
C. Phenotype
D. Gene
Answer» D. Gene
293.

_______________ is the expression of your genetic makeup (eye color, height, hair color, etc).

A. Chromosome
B. Genotype
C. Phenotype
D. Gene
Answer» C. Phenotype
294.

_____________ are the thread-like strands of DNA molecules that form the DNA segments.

A. Chromosomes
B. Genotypes
C. Phenotypes
D. Genes
Answer» A. Chromosomes
295.

In the brain and spinal cord, areas that are mostly axons are called ___________ which is possible to differentiate pathways or tracts of these axons.

A. White matter
B. Gray matter
C. Ganglia
D. Nerve
Answer» A. White matter
296.

Areas that include large number of cell bodies are called __________________.

A. White matter
B. Gray matter
C. Ganglia
D. Nerve
Answer» B. Gray matter
297.

When the action potential reaches the axon ending, it causes tiny bubbles of chemicals called ____________________ to release their contents into the synaptic gap.

A. Spinal reflex
B. Presynaptic
C. Synaptic vesicles
D. Synaptic cleft
Answer» C. Synaptic vesicles
298.

The surface of the axon contains hundreds of thousands of miniscule mechanisms called _______________.

A. Synapses
B. Ion channels
C. Synaptic gaps
D. Postsynaptics
Answer» B. Ion channels
299.

The actions of the body’s voluntary muscles are controlled by the ______________, located just in front of the central sulcus in the frontal lobes.

A. Somatosensory cortex
B. Motor cortex
C. Cerebral cortex
D. Amygdala
Answer» B. Motor cortex
300.

The hypothalamus maintains the body’s internal equilibrium, or ____________.

A. Plasticity
B. Excitatory
C. Homeostasis
D. Resonance
Answer» C. Homeostasis

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