Neurons (Structure And Types) MDCAT Quiz: Understanding the structure and types of neurons is very essential for MDCAT students when it comes to preparation for medical and dental college admission tests. Neurons, (Structure and types) MDCAT quiz would cover essential information that all would-be doctors need to understand. Neurons serve as the core building blocks of the brain and the nervous system; they conduct electrical impulses to convey signals from the body and into the nervous system. We will include the structure of neurons, including cell body, dendrites, and axon, and diversities of neurons such as sensory, motor, and interneurons in this quiz.
Neuron Structure and Function
The basic structure of a neuron is divided into three parts: the cell body, the dendrites, and the axon. The cell body contains the nucleus and provides support for the metabolic functions of the cell. Dendrites are the branching extensions that take electrical signals from other neurons. The axon carries signals away from the cell body to other neurons or muscles. Understanding this structure is fundamental in comprehending how neurons function in the transmission of impulses. MDCAT students will benefit from mastering this concept since it is very frequently tested both in theoretical and practical exams.
Quiz For Preparation of MDCAT
This MDCAT will help to validate your knowledge regarding the structure of neurons and types. The quiz has multiple-choice questions on a wide range of topics including neuron anatomy, types, functions, and their roles in the nervous system. This quiz will help MDCAT candidates gauge their level of preparation and what they need to study further. Having a good grasp of neurons will, therefore, give you an edge in your exams and position you well for medical and dental school.
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Free Flashcard
Flashcards provide an enhanced studying experience when attempting to memorize the structure and functions of a neuron in little time. The student of MDCAT can also memorize a neuron’s components, the neurons’ types, and their various functions in the nervous system from these free flashcards. Hence, regular practice with flashcards will help the candidate remember important material and increase recalling ability at the time of taking the exam.
The basic functional unit of the nervous system is the ______.
Neuron
The neuron that transmits signals from the sensory organs to the central nervous system is called a ______.
Sensory neuron
The long, thread-like part of a neuron that carries nerve impulses away from the cell body is the ______.
Axon
The dendrites of a neuron primarily serve to ______.
Receive signals
The cell body of a neuron contains the ______.
Nucleus
The myelin sheath around an axon is made up of ______.
Schwann cells
The main function of the myelin sheath is to ______.
Insulate the axon
A neuron that carries signals to muscles is called a ______.
Motor neuron
The junction between two neurons is called the ______.
Synapse
The space between two neurons at the synapse is called the ______.
Synaptic cleft
The chemical messengers that transmit signals across synapses are called ______.
Neurotransmitters
A neuron that carries signals within the central nervous system is called a ______.
Interneuron
The direction of impulse transmission in a neuron is from ______ to ______.
Dendrites, axon
The node of Ranvier is a gap in the ______.
Myelin sheath
The neuroglial cells that form the myelin sheath in the central nervous system are called ______.
Oligodendrocytes
The process by which an axon is wrapped in myelin is called ______.
Myelination
The action potential is initiated at the ______.
Axon hillock
The neuron that transmits impulses from one neuron to another in the spinal cord is called a ______.
Relay neuron
The soma of a neuron contains the ______.
Nucleus
The branches of the neuron that receive signals from other neurons are called ______.
Dendrites
The axon terminal releases neurotransmitters into the ______.
Synaptic cleft
A neuron that transmits signals to the brain from sensory receptors is called a ______.
Sensory neuron
The part of the neuron that contains the nucleus is the ______.
Soma
The axon of a neuron is typically covered in a fatty substance called ______.
Myelin
The structure of the neuron responsible for maintaining the resting potential is the ______.
Cell membrane
The type of neuron responsible for carrying motor commands to muscles is called a ______.
Motor neuron
The neuron type responsible for connecting sensory and motor neurons in reflex arcs is called a ______.
Interneuron
The white matter in the nervous system primarily contains ______.
Myelinated axons
The gray matter in the brain and spinal cord primarily contains ______.
Neuron cell bodies
The nodes of Ranvier allow for ______ of action potentials.
Saltatory conduction
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