1405 + Mcqs in Logic Page 9 McqOptions

401.	The surface of the axon contains hundreds of thousands of minisculemechanisms called _______________.
A.	Synapses
B.	Ion channels
C.	Synaptic gaps
D.	Postsynaptics
Answer» C. Synaptic gaps

Discussion

402.	When the action potential reaches the axon ending, it causes tiny bubbles of chemicals called ____________________ to release their contents into the synapticgap.
A.	Spinal reflex
B.	Presynaptic
C.	Synaptic vesicles
D.	Synaptic cleft
Answer» D. Synaptic cleft

Discussion

403.	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» B. Gray matter

Discussion

404.	Areas that include large number of cell bodies are called __________________.
A.	White matter
B.	Gray matter
C.	Ganglia
D.	Nerve
Answer» C. Ganglia

Discussion

405.	_____________ are the thread-like strands of DNA molecules that form the DNAsegments.
A.	Chromosomes
B.	Genotypes
C.	Phenotypes
D.	Genes
Answer» B. Genotypes

Discussion

406.	_______________ is the expression of your genetic makeup (eye color, height, hair color, etc).
A.	Chromosome
B.	Genotype
C.	Phenotype
D.	Gene
Answer» D. Gene

Discussion

407.	When the ___________________is too large to be jumped by the neural impulse, the signal/information must be passed using chemicals asneurotransmitters instead of electrical currents.
A.	Spinal reflex
B.	Presynaptic
C.	Action potential
D.	Synaptic cleft
Answer» E.

Discussion

408.	______________ is the DNA segments that serve as the key functional units inhereditary transmission.
A.	Chromosome
B.	Genotype
C.	Phenotype
D.	Gene
Answer» E.

Discussion

409.	The area where the axon connects to the soma is ______________.
A.	Axon hillock
B.	Terminal buttons
C.	Myelin sheath
D.	Nodes of Ranvier
Answer» B. Terminal buttons

Discussion

410.	The __________, which is the largest of the limbic system structures, plays animportant role in the acquisition of memories.
A.	Hippocampus
B.	Thalamus
C.	Amygdala
D.	Pons
Answer» B. Thalamus

Discussion

411.	The reticular formation has long tracts of fibers that run to the ____________, which channels incoming sensory information to the appropriate area of thecerebral cortex, where that information is processed.
A.	Hypothalamus
B.	Pons
C.	Medulla
D.	Thalamus
Answer» E.

Discussion

412.	Researchers in the field of __________________ provide evolutionaryexplanations for the social behavior and social systems of humans and other animal species.
A.	Sociobiology
B.	Evolutionary psychology
C.	Phrenology
D.	Anthropology
Answer» B. Evolutionary psychology

Discussion

413.	Researchers in the field of human behavior genetics unite __________ andpsychology to explore the causal link between inheritance and behavior.
A.	Chromosome
B.	Behavior
C.	Genome
D.	Genetics
Answer» E.

Discussion

414.	The __________ of an organism is the full sequence of genes found on thechromosomes with the associated DNA.
A.	X chromosome
B.	b. Y chromosome
C.	c. Genome
D.	d. Genetics
Answer» D. d. Genetics

Discussion

415.	The pseudoscience associated with the study of the skull and personalitybecame known as ___________.
A.	Neuroscience
B.	Neuropsychology
C.	Bioscience
D.	Phrenology
Answer» E.

Discussion

416.	The best-known imaging technique, and the first one developed for widespread use, is an x-ray scanning procedure called ________________.
A.	MRI scan
B.	PET
C.	CT scan
D.	functional MRI
Answer» D. functional MRI

Discussion

417.	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» B. Neurotransmitter

Discussion

418.	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» C. Action potentials

Discussion

419.	Damage to the ___________________ surrounding axons can seriously affectsynaptic transmission.
A.	Glial cell
B.	Endocrine
C.	Nodes of Ranvier
D.	Myelin sheath
Answer» E.

Discussion

420.	Speeds along myelinated axons can reach ____________ miles per hour.
A.	280
B.	270
C.	260
D.	250
Answer» C. 260

Discussion

421.	_______________ help form a barrier that prevents certain substances in thebloodstream from reaching the brain.
A.	Axons
B.	Dendrites
C.	Glial cells
D.	Cell body
Answer» D. Cell body

Discussion

422.	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» B. Neurons

Discussion

423.	_________________ carry information toward the cell body.
A.	Cells
B.	Neurons
C.	Axons
D.	Dendrites
Answer» E.

Discussion

424.	_________________ carry information away from the cell body.
A.	Cells
B.	Neurons
C.	Axons
D.	Dendrites
Answer» D. Dendrites

Discussion

425.	_________________ are the small gaps in the myelin sheath surrounding theaxons of many neurons.
A.	Neurotransmitters
B.	Synaptic vesicles
C.	Nodes of Ranvier
D.	Glial cells
Answer» D. Glial cells

Discussion

426.	The ______________ is the most basic signal in the nervous system which consists of a rapidly moving wave of depolarization that travels along themembrane of the individual neuron.
A.	Myelin sheath
B.	Synapse
C.	Action potential
D.	Neurotransmitter
Answer» D. Neurotransmitter

Discussion

427.	Within the axons of the neuron are _________________, which are held instorage-like vesicles until they are released when the neuron is stimulated.
A.	Neurotransmitters
B.	Synaptic vesicles
C.	Dendrites
D.	Cellbodies
Answer» B. Synaptic vesicles

Discussion

428.	When an action potential reaches the axon terminal, synaptic vesicles movetoward the _____________________.
A.	Cell body
B.	Cell membrane
C.	Nucleus
D.	Dendrites
Answer» C. Nucleus

Discussion

429.	Degeneration of ___________________ producing neurons has been linked toParkinson's disease.
A.	Serotonin
B.	Norepinephrine
C.	Dopamine
D.	Endorphins
Answer» D. Endorphins

Discussion

430.	Additional evidence indicates that ___________________ also serve to intensify positive sensations- for example, the "runner's high" many peopleexperience after vigorous exercise.
A.	Endorphins
B.	Antagonist
C.	Agonist
D.	Serotonin
Answer» B. Antagonist

Discussion

431.	________________ is a chemical substance that inhibits the effect normallyproduced by a neurotransmitter at a receptor site.
A.	Endorphins
B.	Antagonist
C.	Agonist
D.	Serotonin
Answer» C. Agonist

Discussion

432.	________________ refer to simple, automatic behaviors that are produced by thespinal cord and occur without involvement of the brain.
A.	Spinal reflexes
B.	Presynaptic
C.	Action potential
D.	Resting potential
Answer» B. Presynaptic

Discussion

433.	_____________ are made up of large bundles of neuron axons.
A.	Neurons
B.	Nerves
C.	Chromosomes
D.	Cell bodies
Answer» C. Chromosomes

Discussion

434.	The ________________ is a tiny space between the axon terminal of one neuronand the dendrite of an adjoining neuron.
A.	Synapse
B.	Synaptic vesicle
C.	Synaptic gap
D.	Postsynaptic
Answer» D. Postsynaptic

Discussion

435.	______________neurons communicate information from one neuron to the next.
A.	Interneurons
B.	Sensory neurons
C.	Motor neurons
D.	Excitatory
Answer» B. Sensory neurons

Discussion

436.	________________ is the neurotransmitter that inhibits brain activity.
A.	Gamma-aminobutyric acid (GABA)
B.	Norepinephrine
C.	Dopamine
D.	Serotonin
Answer» B. Norepinephrine

Discussion

437.	_________________ is a neurotransmitter that is involved in the regulation ofbodily movements and thought processes.
A.	Gamma-aminobutyric acid (GABA)
B.	Norepinephrine
C.	Dopamine
D.	Serotonin
Answer» D. Serotonin

Discussion

438.	_________________ are the tiny pouches or sacs in the axon terminals thatcontain chemicals called neurotransmitters.
A.	Synapses
B.	Synaptic vesicles
C.	Synaptic gaps
D.	Postsynaptics
Answer» C. Synaptic gaps

Discussion

439.	________________ is the point of communication between two neurons.
A.	Myelin sheath
B.	Synapse
C.	Action potential
D.	Neurotransmitter
Answer» C. Action potential

Discussion

440.	______________ is the long, fluid-filled tube that carries a neuron's messages toother body areas.
A.	Axon
B.	Dendrite
C.	Glial cell
D.	Cell body
Answer» B. Dendrite

Discussion

441.	_______________ is a chemical messenger manufactured by a neuron.
A.	Myelin sheath
B.	Synapse
C.	Action potential
D.	Neurotransmitter
Answer» E.

Discussion

442.	________________ is a brief electrical impulse by which information istransmitted along the axon of a neuron.
A.	Myelin sheath
B.	Synapse
C.	Action potential
D.	Neurotransmitter
Answer» D. Neurotransmitter

Discussion

443.	_______________ is the part of a neuron that contains the nucleus.
A.	Axons
B.	Dendrites
C.	Glial cells
D.	Cell body
Answer» E.

Discussion

444.	_______________ is a type of neuron that signals muscles to contract or relax.
A.	Interneurons
B.	Sensory neurons
C.	Motor neurons
D.	Excitatory
Answer» D. Excitatory

Discussion

445.	_______________ 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» B. Endocrine

Discussion

446.	_______________ is a highly specialized cell that communicates information inelectrical and chemical form.
A.	Neuron
B.	Nerve cell
C.	Chromosome
D.	Nervous
Answer» B. Nerve cell

Discussion

447.	Prozac works by inhibiting the reuptake of __________________, increasing theavailability of this neurotransmitter in the brain.
A.	Gamma-aminobutyric acid (GABA)
B.	Norepinephrine
C.	Dopamine
D.	Serotonin
Answer» E.

Discussion

448.	______________ are neurotransmitters that regulate pain perception and areinvolved in the positive emotions associated with aerobic exercise.
A.	Gamma-aminobutyric acid (GABA)
B.	Norepinephrine
C.	Endorphins
D.	Serotonin
Answer» D. Serotonin

Discussion

449.	________________ has been implicated in some mental disorders and is involved in activation of neurons throughout the brain and in the process of learning andmemory retrieval.
A.	Acetylcholine
B.	Norepinephrine
C.	Dopamine
D.	Serotonin
Answer» C. Dopamine

Discussion

450.	_________________ usually communicates inhibitory messages to other neurons and helps balance and offset excitatory messages.
A.	Gamma-aminobutyric acid (GABA)
B.	Norepinephrine
C.	Dopamine
D.	Serotonin
Answer» B. Norepinephrine

Discussion

Explore topic-wise MCQs in Logical and Verbal Reasoning.

The surface of the axon contains hundreds of thousands of minisculemechanisms called _______________.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Damage to the ___________________ surrounding axons can seriously affectsynaptic transmission.

Speeds along myelinated axons can reach ____________ miles per hour.

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

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

_________________ carry information toward the cell body.

_________________ carry information away from the cell body.

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

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

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

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

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

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

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

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

_____________ are made up of large bundles of neuron axons.

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

______________neurons communicate information from one neuron to the next.

________________ is the neurotransmitter that inhibits brain activity.

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

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

________________ is the point of communication between two neurons.

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

_______________ is a chemical messenger manufactured by a neuron.

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

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

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

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

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

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

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

________________ has been implicated in some mental disorders and is involved in activation of neurons throughout the brain and in the process of learning andmemory retrieval.

_________________ usually communicates inhibitory messages to other neurons and helps balance and offset excitatory messages.