Explore topic-wise MCQs in Logical and Verbal Reasoning.

This section includes 1405 Mcqs, each offering curated multiple-choice questions to sharpen your Logical and Verbal Reasoning knowledge and support exam preparation. Choose a topic below to get started.

351.

________________ are the chemical messengers that are secreted into the bloodstreamby endocrine glands.

A. Hormones
B. Nerves
C. Spinal reflexes
D. Pituitary glands
Answer» B. Nerves
352.

The _________________ response refers to physiological changes, such as increased heart rate, accelerated breathing, dry mouth and perspiration, which occur in response toperceived threats or danger.

A. Fight
B. Flight
C. Fight-or-flight
D. Spinal reflex
Answer» D. Spinal reflex
353.

The central nervous system is a major division of the nervous system and consists of thebrain and _________________.

A. Spinal cord
B. Hypothalamus
C. Pituitary gland
D. Limbic system
Answer» B. Hypothalamus
354.

__________________ subdivision of the peripheral nervous system that regulatesinvoluntary functions.

A. Somatic nervous system
B. Autonomic nervous system
C. Sympathetic nervous system
D. Parasympathetic nervous system
Answer» C. Sympathetic nervous system
355.

__________________ division of the nervous system that includes all the nerves lyingoutside the central nervous system.

A. Central nervous system
B. Peripheral nervous system
C. Sympathetic nervous system
D. Parasympathetic nervous system
Answer» C. Sympathetic nervous system
356.

__________________ is a peanut-sized forebrain structure that is part of the limbicsystem and regulates behaviors related to survival, such as eating, drinking and sexual activity.

A. Hypothalamus
B. Spinal cord
C. Pituitary gland
D. Endocrine system
Answer» B. Spinal cord
357.

______________ are the simple, automatic behaviors that are processed in the spinalcord.

A. Endocrine hormones
B. Hypothalamus
C. Spinal reflexes
D. Inhibitory processes
Answer» D. Inhibitory processes
358.

______________ is a communication system composed of glands located throughout thebody that secrete hormones into the blood stream.

A. Nervous system
B. Hypothalamus
C. Pituitary gland
D. Endocrine system
Answer» E.
359.

The _________________ secretes hormones that affect the functioning of other glands aswell as hormones that act directly on physical processes.

A. Endocrine
B. Hypothalamus
C. Pituitary gland
D. Nerve cells
Answer» D. Nerve cells
360.

___________________ structure serves as the main link between the nervous system andthe endocrine system.

A. Brain
B. Hypothalamus
C. Pituitary gland
D. Nerve
Answer» C. Pituitary gland
361.

The _______________ bundle of neuron axons that carries information in the peripheralnervous system.

A. Hormone
B. Nerve
C. Pituitary gland
D. Hypothalamus
Answer» C. Pituitary gland
362.

The signals that trigger the secretion of hormones are regulated primarily by a brainstructure called the _________________.

A. Endocrine gland
B. Hypothalamus
C. Pituitary gland
D. Spinal reflexes
Answer» C. Pituitary gland
363.

Metabolism, growth rate, digestion, blood pressure and sexual development andreproduction are all processes regulated by __________________.

A. Endocrine hormones
B. Hypothalamus
C. Brain
D. Spinal reflexes
Answer» B. Hypothalamus
364.

The ______________ system is made up of glands located throughout the body and useschemical messengers called hormones to transmit information from one part of the body to another.

A. Nervous
B. Endocrine
C. Autonomic
D. Somatic
Answer» C. Autonomic
365.

The ______________ nervous system maintains normal body functions and conservesthe body's physical resources.

A. Somatic
B. Autonomic
C. Sympathetic
D. Parasympathetic
Answer» E.
366.

The _______________ nervous system regulates involuntary functions such asheartbeat, blood pressure, digestion and breathing.

A. Somatic
B. Autonomic
C. Sympathetic
D. Parasympathetic
Answer» C. Sympathetic
367.

The _________________ nervous system is the body's emergency system and producesrapid physical arousal in response to perceived threats or in response to emotions such as anger or anxiety.

A. Somatic
B. Autonomic
C. Sympathetic
D. Parasympathetic
Answer» D. Parasympathetic
368.

The ________________ nervous system communicates sensory information received by sense organ receptors to the central nervous system and carries messages from the centralnervous system along motor nerves to the muscles.

A. Somatic
B. Autonomic
C. Sympathetic
D. Parasympathetic
Answer» B. Autonomic
369.

The ____________ nervous system has two subdivisions, the autonomic nervous systemand somatic nervous system.

A. Central
B. Peripheral
C. Sympathetic
D. Parasympathetic
Answer» C. Sympathetic
370.

____ in the spinal cord that carry information from the brain to muscles andglands throughout the body.

A. Afferent nerve fibers
B. Efferentnerve fibers
C. Hormones
D. Endocrine
Answer» C. Hormones
371.

________________ have been called the “keys to paradise” because of theirpleasure-pain controlling properties.

A. Dopamines
B. Serotonin
C. GABA
D. Endorphins
Answer» E.
372.

_________________ carries sensory information via afferent nerve fibers fromreceptors throughout the body to the brain and conducts information via efferent nerve fibers from the brain to muscles and glands.

A. Spinal cord
B. Nodes of Ranvier
C. Hippocampus
D. Cell body
Answer» B. Nodes of Ranvier
373.

______________ is a poison that paralyzes lung muscles by occupying criticalacetylcholine receptors, preventing the normal activity of the transmitter.

A. Valium
B. Curare
C. Xanax
D. Prozac
Answer» C. Xanax
374.

An action potential begins when the excitatory inputs are sufficiently strong withrespect to inhibitory inputs to depolarize the cell from ______________ millivolts.

A. -70 to -60
B. -75 to -65
C. -70 to -55
D. -75 to -60
Answer» D. -75 to -60
375.

To complete synaptic transmission, the neurotransmitters attach to receptormolecules embedded in the __________________ .

A. Presynaptic membrane
B. Postsynaptic membrane
C. Cell membrane
D. Synaptic vesicles
Answer» C. Cell membrane
376.

___________________ has pioneered the use of electrical stimulation to probestructures deep in the brain.

A. Walter Hess
B. Broca
C. Wernicke
D. Roger Sperry
Answer» B. Broca
377.

During the ______________, the neuron will fire only in response to a stimulusstronger than what is ordinarily necessary.

A. Absolute refractory period
B. Relative refractory period
C. Depolarization
D. Excitatory period
Answer» C. Depolarization
378.

Multiple sclerosis (MS) is a devastating disorder caused by deterioration of the ________________.

A. Nodes of Ranvier
B. Ganglia
C. Substantianiagra
D. Myelin sheath
Answer» E.
379.

Anxiety disorders are often treated with benzodiazepine drugs, such as______________, that increase GABA activity.

A. Valium
B. Curare
C. Xanax
D. Prozac
Answer» B. Curare
380.

________________ is an antidepressanr drug that enhances the action of serotoninby preventing it from being removed from the synaptic cleft.

A. Valium
B. Curare
C. Xanax
D. Prozac
Answer» E.
381.

_______________often found in food that has been preserved incorrectly, poisonsan individual by preventing release of acetylcholine in the respiratory system.

A. Botulinum toxin
B. Curare
C. Xanax
D. Prozac
Answer» B. Curare
382.

A ____________ is any substance that modifies or modulates the activities of thepostsynaptic neuron.

A. Neurotransmitter
B. Neuromodulator
C. Acetylcholine
D. Serotonin
Answer» C. Acetylcholine
383.

The ____ contains structures that collectively regulate the internal state of thebody.

A. Stem cells
B. Brain stem
C. Endocrine system
D. Limbic system
Answer» C. Endocrine system
384.

The _________is a dense network of nerve cells that serves as the brain’s sentinel.

A. Medulla
B. Association area
C. Reticular formation
D. Limbic system
Answer» D. Limbic system
385.

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

A. Hippocampus
B. Amygdala
C. Hypothalamus
D. Thalamus
Answer» B. Amygdala
386.

Damage to some areas of the ________________also impairs the ability torecognize the emotional content of facial expressions.

A. Hippocampus
B. Amygdala
C. Pons
D. Cerebrum
Answer» C. Pons
387.

When the body temperature drops, the _________________ causes blood-vesselconstriction or minute involuntary movements, commonly refer to as the “shivers”.

A. Hippocampus
B. Amygdala
C. Hypothalamus
D. Thalamus
Answer» D. Thalamus
388.

One groove called the _____________, divides each hemisphere vertically.

A. Cortex
B. Lateral fissure
C. Central sulcus
D. Brain stem
Answer» D. Brain stem
389.

In humans, the _________________ dwarfs the rest of the brain, occupying twothirds of its total mass.

A. Hypothalamus
B. Medulla
C. Cerebrum
D. Thalamus
Answer» D. Thalamus
390.

One groove called the _____________, divides each hemisphere horizontally.

A. Cortex
B. Lateral fissure
C. Central sulcus
D. Brain stem
Answer» C. Central sulcus
391.

The ______________ tends to be more analytical; processes information bit by bit.

A. Right hemisphere
B. Left hemisphere
C. Occipital lobe
D. Temporal lobe
Answer» C. Occipital lobe
392.

The _______________ tends to be more holistic; processes information withrespect to global patterns.

A. Right hemisphere
B. Left hemisphere
C. Occipital lobe
D. Temporal lobe
Answer» B. Left hemisphere
393.

______________ initiate, maintain and stop development of secondary sexual characteristics, influence levels of arousal and awareness, serve as the basisfor mood changes, and regulate metabolism.

A. Genomes
B. DNA
C. Endocrine
D. Hormones
Answer» E.
394.

The ___________________ is often called the master gland.

A. Thyroid gland
B. Pituitary gland
C. Adrenal gland
D. Pancreas
Answer» C. Adrenal gland
395.

In females, a pituitary hormone stimulates production of _____________, which is essential to the hormonal chain reaction that triggers the release of ova from awoman’s ovaries, making her fertile.

A. Androgen
B. Testosterone
C. Progesterone
D. Estrogen
Answer» E.
396.

Researchers refer to changes in the performance of the brain as _____________.

A. Plasticity
B. Excitatory
C. Spontaneity
D. Resonance
Answer» B. Excitatory
397.

________________ are unspecialized cells that, under appropriate conditions, canbe prompted to function as new neurons.

A. Ganglion
B. Genome
C. Stem cells
D. Nerve cells
Answer» D. Nerve cells
398.

The production of new brain cells from naturally occurring stem cells are called______________.

A. Agenesis
B. Neurogenesis
C. Plastic surgery
D. Brain imaging
Answer» C. Plastic surgery
399.

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

A. Plasticity
B. Excitatory
C. Homeostasis
D. Resonance
Answer» D. Resonance
400.

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» C. Cerebral cortex