Practice MCQ For Govt Pharmacist Exam, in this article we will solve, Practice MCQ on Nervous System, a topic under Human Anatomy and Physiology first semester. Read following article for your reference.
What is the primary function of the nervous system?
– A) Digestion
– B) Circulation
– C) Communication
– D) Respiration
The central nervous system consists of:
– A) The heart and blood vessels
– B) The brain and spinal cord
– C) The lungs and airways
– D) The stomach and intestines
Which type of neuron transmits signals away from the central nervous system?
– A) Sensory Neuron
– B) Motor Neuron
– C) Interneuron
– D) Glial Cell
What is the main excitatory neurotransmitter in the brain?
– A) Dopamine
– B) Serotonin
– C) GABA
– D) Glutamate
The myelin sheath is important because it:
– A) Slows down nerve impulses
– B) Helps neurons absorb nutrients
– C) Increases the speed of nerve impulses
– D) Prevents neurons from generating electrical signals
Which cells produce the myelin sheath in the central nervous system?
– A) Astrocytes
– B) Oligodendrocytes
– C) Schwann Cells
– D) Microglia
What is the gap between two neurons called?
– A) Axon Hillock
– B) Synaptic Cleft
– C) Dendritic Spine
– D) Myelin Gap
Which part of the neuron receives incoming signals from other neurons?
– A) Axon
– B) Dendrites
– C) Cell Body
– D) Axon Terminals
What is the resting membrane potential of a typical neuron?
– A) +30 mV
– B) 0 mV
– C) -70 mV
– D) -55 mV
An action potential is initiated when a neuron’s membrane potential reaches:
– A) -90 mV
– B) -70 mV
– C) -55 mV
– D) +30 mV
The process by which neurotransmitters are released into the synaptic cleft is called:
– A) Osmosis
– B) Diffusion
– C) Exocytosis
– D) Endocytosis
Which type of receptor detects light?
– A) Mechanoreceptor
– B) Thermoreceptor
– C) Nociceptor
– D) Photoreceptor
What is the primary inhibitory neurotransmitter in the brain?
– A) Acetylcholine
– B) Dopamine
– C) GABA
– D) Norepinephrine
The all-or-none principle is associated with:
– A) Synaptic transmission
– B) Action potentials
– C) Neurotransmitter release
– D) Receptor binding
Which type of glial cell acts as the brain’s immune cells?
– A) Astrocytes
– B) Oligodendrocytes
– C) Schwann Cells
– D) Microglia
What is the term for the ability of the nervous system to change in response to experience or the environment?
– A) Neuroplasticity
– B) Neurotransmission
– C) Neurogenesis
– D) Neuronal migration
Which part of the nervous system controls voluntary movements?
– A) Autonomic Nervous System
– B) Central Nervous System
– C) Peripheral Nervous System
– D) Somatic Nervous System
The sympathetic and parasympathetic systems are part of the:
– A) Central Nervous System
– B) Somatic Nervous System
– C) Autonomic Nervous System
– D) Peripheral Nervous System
Which neurotransmitter is associated with feelings of pleasure and reward?
– A) Serotonin
– B) Dopamine
– C) GABA
– D) Glutamate
What is the term for the conversion of a stimulus into an electrical signal by a receptor?
– A) Transcription
– B) Translation
– C) Transduction
– D) Transmission
Which of the following is a peptide neurotransmitter?
– A) Acetylcholine
– B) Dopamine
– C) Endorphins
– D) Serotonin
The nodes of Ranvier are found in:
– A) Unmyelinated axons
– B) Dendrites
– C) Myelinated axons
– D) Cell bodies
What is the main role of astrocytes in the central nervous system?
– A) Producing myelin
– B) Engulfing pathogens
– C) Supporting neurons
– D) Transmitting nerve impulses
Which type of sensory receptor would you expect to be most abundant in the fingertips?
– A) Thermoreceptors
– B) Nociceptors
– C) Mechanoreceptors
– D) Chemoreceptors
The process by which neurotransmitters are taken back into the presynaptic neuron is called:
– A) Reuptake
– B) Retrograde transport
– C) Degradation
– D) Recycling
Which part of the neuron integrates signals from multiple synapses?
– A) Axon Hillock
– B) Dendritic Tree
– C) Cell Body
– D) Axon Terminals
What is the term for the minimum level of stimulus required to trigger an action potential?
– A) Threshold
– B) Peak
– C) Plateau
– D) Baseline
Which of the following is not a function of the nervous system?
– A) Regulating digestion
– B) Producing hormones
– C) Sensing environmental changes
– D) Coordinating muscle movements
The blood-brain barrier is primarily maintained by which type of cell?
– A) Microglia
– B) Astrocytes
– C) Oligodendrocytes
– D) Ependymal cells
What is the term for the brief period after an action potential during which a neuron cannot fire another action potential?
– A) Refractory Period
– B) Resting Period
– C) Recovery Period
– D) Recharging Period
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