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Coordination & Control MDCAT MCQs with Answers

Coordination & Control MDCAT MCQs

Welcome to the Coordination & Control/ Nervous & Chemical Coordination MDCAT MCQs with Answers. In this post, we have shared Coordination & Control/ Nervous & Chemical Coordination Multiple Choice Questions and Answers for PMC MDCAT 2024. Each question in MDCAT Biology offers a chance to enhance your knowledge regarding Coordination & Control/ Nervous & Chemical Coordination MCQs in this MDCAT Online Test.

Which part of the nervous system is responsible for voluntary actions?
a) Sympathetic Nervous System
b) Parasympathetic Nervous System
c) Central Nervous System
d) Peripheral Nervous System

Answer
c) Central Nervous System

Which neurotransmitter is primarily involved in muscle contraction?
a) Dopamine
b) Serotonin
c) Acetylcholine
d) Norepinephrine

Answer
c) Acetylcholine

The part of the brain responsible for regulating heartbeat and breathing is the:
a) Cerebrum
b) Cerebellum
c) Medulla Oblongata
d) Thalamus

Answer
c) Medulla Oblongata

Which gland is known as the “master gland” of the endocrine system?
a) Thyroid Gland
b) Adrenal Gland
c) Pituitary Gland
d) Pancreas

Answer
c) Pituitary Gland

The autonomic nervous system controls:
a) Voluntary Muscle Movements
b) Involuntary Actions
c) Sensory Responses
d) Reflex Actions

Answer
b) Involuntary Actions

Which part of the brain is responsible for balance and coordination?
a) Cerebrum
b) Thalamus
c) Hypothalamus
d) Cerebellum

Answer
d) Cerebellum

Which of the following neurons carry signals from the brain to the muscles?
a) Sensory Neurons
b) Interneurons
c) Motor Neurons
d) Associative Neurons

Answer
c) Motor Neurons

What type of cells are responsible for the myelination of axons in the central nervous system?
a) Schwann Cells
b) Oligodendrocytes
c) Astrocytes
d) Microglia

Answer
b) Oligodendrocytes

Which of the following hormones is secreted by the adrenal medulla?
a) Cortisol
b) Aldosterone
c) Epinephrine
d) Insulin

Answer
c) Epinephrine

Which structure in the brain regulates body temperature?
a) Cerebellum
b) Hypothalamus
c) Thalamus
d) Medulla Oblongata

Answer
b) Hypothalamus

Which hormone helps regulate sleep-wake cycles?
a) Serotonin
b) Melatonin
c) Cortisol
d) Dopamine

Answer
b) Melatonin

The synapse is the junction between:
a) Two muscles
b) Two neurons
c) A neuron and a muscle
d) A neuron and a gland

Answer
b) Two neurons

What is the function of the myelin sheath?
a) Slows down the transmission of nerve impulses
b) Protects the cell body
c) Speeds up the transmission of nerve impulses
d) Acts as a neurotransmitter

Answer
c) Speeds up the transmission of nerve impulses

Which part of the brain is responsible for the production of speech?
a) Wernicke’s Area
b) Broca’s Area
c) Thalamus
d) Cerebellum

Answer
b) Broca’s Area

The hormone responsible for lowering blood glucose levels is:
a) Glucagon
b) Insulin
c) Cortisol
d) Adrenaline

Answer
b) Insulin

Which part of the eye is responsible for controlling the amount of light entering the eye?
a) Retina
b) Cornea
c) Lens
d) Iris

Answer
d) Iris

The hormone oxytocin is produced by the:
a) Hypothalamus
b) Thyroid Gland
c) Adrenal Cortex
d) Pituitary Gland

Answer
a) Hypothalamus

Which of the following is NOT part of the central nervous system?
a) Brain
b) Spinal Cord
c) Nerves
d) None of the above

Answer
c) Nerves

Which of the following hormones is released in response to stress?
a) Insulin
b) Adrenaline
c) Thyroxine
d) Glucagon

Answer
b) Adrenaline

Which lobe of the brain is associated with vision?
a) Frontal Lobe
b) Parietal Lobe
c) Occipital Lobe
d) Temporal Lobe

Answer
c) Occipital Lobe

The outer layer of the cerebrum is known as the:
a) Cerebellum
b) Medulla
c) Cerebral Cortex
d) Pons

Answer
c) Cerebral Cortex

Which of the following is a neurotransmitter?
a) Insulin
b) Dopamine
c) Cortisol
d) Adrenaline

Answer
b) Dopamine

Which type of receptor is responsible for detecting changes in light intensity?
a) Chemoreceptors
b) Photoreceptors
c) Thermoreceptors
d) Mechanoreceptors

Answer
b) Photoreceptors

The parasympathetic nervous system is involved in:
a) Preparing the body for “fight or flight”
b) Calming the body and conserving energy
c) Enhancing muscle contractions
d) Increasing heart rate and blood pressure

Answer
b) Calming the body and conserving energy

Which part of the brain is responsible for higher cognitive functions like thinking and reasoning?
a) Cerebrum
b) Brainstem
c) Cerebellum
d) Pons

Answer
a) Cerebrum

What is the name of the gap between two neurons?
a) Synapse
b) Axon
c) Dendrite
d) Node

Answer
a) Synapse

Which hormone is responsible for regulating calcium levels in the blood?
a) Thyroxine
b) Calcitonin
c) Insulin
d) Adrenaline

Answer
b) Calcitonin

Which gland produces melatonin?
a) Adrenal Gland
b) Thyroid Gland
c) Pineal Gland
d) Pituitary Gland

Answer
c) Pineal Gland

The reflex arc typically involves how many neurons?
a) One
b) Two
c) Three
d) Four

Answer
c) Three

Which hormone stimulates the production of red blood cells?
a) Erythropoietin
b) Insulin
c) Thyroxine
d) Cortisol

Answer
a) Erythropoietin

Which part of the nervous system is responsible for the “fight or flight” response?
a) Somatic Nervous System
b) Parasympathetic Nervous System
c) Sympathetic Nervous System
d) Central Nervous System

Answer
c) Sympathetic Nervous System

Which hormone is responsible for stimulating the release of glucose into the blood?
a) Glucagon
b) Insulin
c) Cortisol
d) Thyroxine

Answer
a) Glucagon

Which part of the brain is responsible for controlling body posture and balance?
a) Thalamus
b) Cerebellum
c) Cerebrum
d) Medulla Oblongata

Answer
b) Cerebellum

Which hormone is secreted in response to low blood sugar levels?
a) Insulin
b) Glucagon
c) Cortisol
d) Adrenaline

Answer
b) Glucagon

Which of the following is a function of the spinal cord?
a) Cognitive Processing
b) Reflex Actions
c) Hormone Secretion
d) Visual Processing

Answer
b) Reflex Actions

Which of the following neurotransmitters plays a role in mood regulation?
a) Dopamine
b) Acetylcholine
c) Serotonin
d) Glutamate

Answer
c) Serotonin

Which hormone is released during the fight or flight response?
a) Melatonin
b) Oxytocin
c) Adrenaline
d) Insulin

Answer
c) Adrenaline

Which part of the brain is responsible for processing sensory information?
a) Cerebellum
b) Thalamus
c) Medulla Oblongata
d) Hypothalamus

Answer
b) Thalamus

Which of the following is a function of the cerebrum?
a) Regulation of heartbeat
b) Sensory interpretation
c) Coordination of movement
d) Reflex control

Answer
b) Sensory interpretation

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