Free Coordination and Control MCQs with Answers

• A. 5
• B. 6
• C. 7
• D. 4

Explanation: Most reflex arcs have five main components: receptors, sensory neurons, interneurons, motor neurons and muscles

• A. Nephrons
• B. Myoid cells
• C. Neurons
• D. None of these

Explanation: Neuroglial cells, also known as glial cells, are a type of cell in the nervous system that support and protect neurons.

• A. Dendrite
• B. Soma
• C. Node of Ranvier
• D. Stroma

Explanation: The gap in the myelin sheath between adjacent Schwann cells is called a node of Ranvier.

• A. Axon
• B. Dendrites
• C. Soma
• D. Dendron

Explanation: The axon is a long, thin fiber that extends from the cell body of the neuron.

• A. Axon
• B. Introns
• C. Ganglia
• D. Dendrites

Explanation: A ganglion is a cluster of nerve cell bodies located outside the central nervous system (CNS).

• A. Dendrites
• B. Axon
• C. Perikaryon
• D. Both A and B

Explanation: Dendrites carry information towards the soma of neuron.

• A. Axon
• B. Dendrites
• C. Cell body
• D. A and C

Explanation: The cell body of a neuron is the part of the neuron that contains the nucleus and other organelles.

• A. Less branched
• B. More branched
• C. No branched
• D. None

Explanation: Motor neurons are a specific type of neurons that are responsible for transmitting nerve signals from the central nervous system (CNS) to…

• A. Myelin sheath
• B. Neurofibril node
• C. Myofibril node
• D. None

Explanation: The term "node of Ranvier" is named after Louis-Antoine Ranvier, a French histologist who first described these structures in the late…

• A. Vomiting
• B. Diarrhoea
• C. Tetanus
• D. Both A & B

Explanation: When ingested in large amounts or at toxic levels, can indeed lead to nausea, vomiting, and diarrhea.

• A. Motor unit
• B. Neuromuscular junction
• C. Neural unit
• D. Microtubules

Explanation: A motor neuron and all the muscle fibers it supplies are collectively referred to as a "motor unit".

• A. Hormones
• B. Channel and carrier proteins in the cell membrane of a neuron
• C. Enzymes
• D. Neurotransmitters

Explanation: Acetylcholine and norepinephrine (noradrenaline) are both types of neurotransmitters used in the nervous system.

• A. Hypothalamus
• B. Cerebrum
• C. Pons
• D. Amygdala

Explanation: There are four lobes present in the cerebrum; frontal lobe, parietal lobe, temporal lobe and occipital lobe.

• A. Myelinated impulse
• B. Jumping impulse
• C. Saltatory impulse
• D. All of these

Explanation: Saltatory conduction describes the way an electrical impulse skips from node to node down the full length of an axon, speeding the arrival…

• A. Sensory neurons
• B. Motor neurons
• C. Interneurons
• D. Rotator neurons

Explanation: Interneurons are essential components of the CNS, facilitating communication between sensory and motor neurons and playing a crucial role…

• A. Sensory neurons
• B. Motor neurons
• C. Interneurons
• D. Dendrites

Explanation: Interneurons are essential components of the CNS, facilitating communication between sensory and motor neurons and playing a crucial role…

• A. Neuroglial cells
• B. Neurons
• C. Epithelial cells
• D. Connective tissues

Explanation: Brain tumors are complex and can have a range of symptoms and outcomes depending on various factors.

• A. Parkinson
• B. Alzheimer
• C. Epilepsy
• D. All of these

Explanation: Alzheimer's disease is the most common cause of dementia and is characterized by the accumulation of two abnormal proteins in the brain.

• A. Cerebrum
• B. Medula oblongata
• C. Pons
• D. Midbrain

Explanation: Involuntary breathing is controlled by Medulla Oblongsta.Your medulla oblongata is the bottom-most part of your brain.

• A. Ventral
• B. Lateral
• C. Dorsal
• D. Both B & C

Explanation: a key inspiratory area called the pre-Botzinger complex is located in the ventral portion of the medulla and is responsible for setting…