The Nervous System MCQ Quiz Exam!

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  • 1/23 Questions

    What are the main parts of the nervous system?

    • The main parts of the nervous system are the brain, spinal cord, and nerves.
    • The main parts of the nervous system are the hands, feet, and tongue.
    • The main parts of the nervous system are arteries, veins, and capillaries.
    • The main parts of the nervous system are nose, toes, and tongue.
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About This Quiz

Explore the complexities of the nervous system with this MCQ exam. Questions cover nerve cells, nervous control mechanisms, and signal transmission.

The Nervous System MCQ Quiz Exam! - Quiz

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  • 2. 

    Without the nervous system, you couldn't _________________.

    • Walk.

    • Breathe.

    • Think.

    • All of the above.

    Correct Answer
    A. All of the above.
    Explanation
    The nervous system is responsible for coordinating and controlling all bodily functions, including walking, breathing, and thinking. Without the nervous system, these essential functions would not be possible.

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  • 3. 

    The nevous system is made up of these three parts _______________________.

    • Brain, heart, and spinal cord.

    • Brain, spinal cord, and nerves.

    • Nerves, arteries, and nerves.

    • Nerves,liver, and heart.

    Correct Answer
    A. Brain, spinal cord, and nerves.
    Explanation
    The nervous system is a complex network in the body that controls and coordinates all bodily functions. It is made up of three main parts: the brain, which is the control center and processes information; the spinal cord, which connects the brain to the rest of the body and allows for communication; and the nerves, which transmit signals between the brain, spinal cord, and the rest of the body. This answer accurately identifies the three essential components of the nervous system.

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  • 4. 

    What is another word for "nerve cell?"

    • Another name for nerve cell is Mitochondrion.

    • Another name for nerve cell is ganglion.

    • Another name for nerve cell is neuron.

    • Another name for nerve cell is cancer.

    Correct Answer
    A. Another name for nerve cell is neuron.
    Explanation
    The correct answer is "neuron" because a neuron is the scientific term for a nerve cell. Mitochondrion is a cellular organelle responsible for producing energy, ganglion refers to a cluster of nerve cell bodies, and cancer is a disease characterized by the uncontrolled growth of abnormal cells.

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  • 5. 

    What are nerve signals?

    • Nerve signals are tiny electrical pulses

    • Nerve signals are flashing red lights

    • Nerve signals are a type of hormone.

    • Nerve signals are large flashing green lights.

    Correct Answer
    A. Nerve signals are tiny electrical pulses
    Explanation
    Nerve signals are tiny electrical pulses that are used by the nervous system to transmit information throughout the body. These electrical pulses travel along the nerves and allow for communication between different parts of the body, including the brain and the rest of the body. This communication is essential for coordinating movements, sensing the environment, and regulating bodily functions.

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  • 6. 

    Why is your tongue more sensitive than your elbow?

    • Your tongue is more sensitive than your elbow because it's wetter.

    • Your tongue is more sensitive than your elbow because it has more nerve receptors.

    • Your tongue is more sensitive than your elbow because it has more skin cells.

    • Your tongue is more sensitive than your elbow because it has more germs.

    Correct Answer
    A. Your tongue is more sensitive than your elbow because it has more nerve receptors.
    Explanation
    The tongue is more sensitive than the elbow because it has more nerve receptors. Nerve receptors are responsible for detecting and transmitting sensory information to the brain. The tongue has a higher concentration of these receptors compared to the elbow, allowing it to perceive and distinguish different tastes, textures, and temperatures more effectively. The increased number of nerve receptors in the tongue enhances its sensitivity and ability to detect subtle sensations.

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  • 7. 

    The system that controls everything that you do is the _________________.

    • Nervous system

    • Olfactory system

    • Respiratory system

    • Endocrine system

    Correct Answer
    A. Nervous system
    Explanation
    The nervous system is responsible for controlling and coordinating all of the body's activities. It consists of the brain, spinal cord, and nerves, which transmit signals between different parts of the body. This system allows us to move, think, feel, and respond to our environment. It also regulates vital functions such as breathing, heart rate, and digestion. Therefore, the nervous system is the correct answer as it plays a central role in controlling everything that we do.

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  • 8. 

    Which part of the body is the control center for the nervous system?

    • The part of the body that is in control of the nervous system is the spinal cord.

    • The part of the body that is in control of the nervous system is the stomach.

    • The part of the body that is in control of the nervous system is the brain.

    • The part of the body that is in control of the nervous system is the heart.

    Correct Answer
    A. The part of the body that is in control of the nervous system is the brain.
    Explanation
    The brain is the control center for the nervous system. It receives and processes information from the body's sensory receptors, and it sends out signals to the rest of the body to initiate appropriate responses. The brain also coordinates and regulates the functions of various body systems, ensuring their proper functioning.

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  • 9. 

    What is the nervous system?

    • The nervous system is the system by which blood is transported through the body.

    • The nervous system is your body control center.

    • The nervous system is the system by which regulates your body hormones.

    • The nervous system is the system is a part of history.

    Correct Answer
    A. The nervous system is your body control center.
    Explanation
    The correct answer is "The nervous system is your body control center." This is because the nervous system is responsible for coordinating and controlling all the activities of the body. It receives and processes information from the senses, sends signals to the muscles and glands, and helps regulate bodily functions such as breathing, digestion, and heart rate. It is essentially the command center of the body, allowing different parts to communicate and work together to maintain homeostasis.

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  • 10. 

    How do nerve signals travel from nerve to nerve?

    • Nerves signals travel from nerve to nerve when chemicals carry them.

    • Nerves signals travel from nerve to nerve by hemoglobin.

    • Nerves signals travel from nerve to nerve when tiny microbots carry them.

    • Nerves signals travel from nerve to nerve by automobile.

    Correct Answer
    A. Nerves signals travel from nerve to nerve when chemicals carry them.
    Explanation
    Nerve signals travel from nerve to nerve through a process called synaptic transmission. When an electrical impulse reaches the end of a nerve, it triggers the release of chemical messengers called neurotransmitters. These neurotransmitters then cross the small gap between the nerves, known as the synapse, and bind to receptors on the receiving nerve. This binding allows the signal to be transmitted from one nerve to another, allowing the communication and coordination of different parts of the body.

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  • 11. 

    The nervous system is the center of all mental activity including all the following except ________.

    • Thinking

    • Learning

    • Digesting

    • Memory

    Correct Answer
    A. Digesting
    Explanation
    The nervous system is responsible for coordinating and controlling all mental activities, such as thinking, learning, and memory. However, it does not play a direct role in the process of digesting food. Digestion is primarily controlled by the digestive system, which includes organs such as the stomach and intestines.

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  • 12. 

    What does the autonomic nervous system control?

    • The autonomic nervous system controls voluntary actions, like moving.

    • The autonomic nervous system controls your body transmission of scents.

    • The autonomic nervous system controls involuntary actions, like your heartbeat.

    • The autonomic nervous system controls sreaming.

    Correct Answer
    A. The autonomic nervous system controls involuntary actions, like your heartbeat.
    Explanation
    The autonomic nervous system controls involuntary actions, such as heartbeat. This system regulates the functions of internal organs and glands, maintaining homeostasis in the body. It controls processes like digestion, breathing, heart rate, and blood pressure, which occur automatically without conscious effort. The autonomic nervous system consists of two branches: the sympathetic nervous system, which prepares the body for fight or flight responses, and the parasympathetic nervous system, which promotes rest and digestion.

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  • 13. 

    A typical brain weighs ________________.

    • 3 pounds (1.4 kilograms)

    • 3 ounces (85 grams)

    • 3 tons (2.7 metric tons)

    • 3 kiloggrams (6.6pounds)

    Correct Answer
    A. 3 pounds (1.4 kilograms)
    Explanation
    The typical weight of a human brain is approximately 3 pounds (1.4 kilograms).

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  • 14. 

    How are nerves arranged in the body?

    • Nerves are arranged in the body in a straight line, acting as one big nerve.

    • Nerves are arranged in the body in a series of concentric circles.

    • Nerves are arranged in the body in a complex network .

    • Nerves are arranged in the body in ABC order.

    Correct Answer
    A. Nerves are arranged in the body in a complex network .
    Explanation
    The correct answer is that nerves are arranged in the body in a complex network. This is because the nervous system is made up of billions of nerve cells, called neurons, that are interconnected to form a network. This network allows for the transmission of electrical signals, or nerve impulses, throughout the body, enabling communication between different parts of the body and the brain. The complex arrangement of nerves ensures efficient and coordinated functioning of the nervous system.

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  • 15. 

    Millions of sensory receptors detect changes, called ________, which    occur inside and outside the body.

    • Neuron

    • skin

    • Motor

    • Stimuli

    Correct Answer
    A. Stimuli
    Explanation
    The question is asking for the term that refers to the changes that occur inside and outside the body, which are detected by sensory receptors. The correct answer is "stimuli" because stimuli are the changes or events that can elicit a response from an organism. Sensory receptors detect these stimuli and send signals to the brain for interpretation and response.

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  • 16. 

    What is the biggest part of the brain?

    • The biggest part of the brain is the brain stem.

    • The biggest part of the brain is the think tank.

    • The biggest part of the brain is the cerebrum.

    • The biggest part of the brain is the cerebellum.

    Correct Answer
    A. The biggest part of the brain is the cerebrum.
    Explanation
    The cerebrum is the largest part of the brain and is responsible for higher cognitive functions such as thinking, memory, and reasoning. It is divided into two hemispheres and is composed of several lobes, including the frontal, parietal, temporal, and occipital lobes. The cerebrum plays a crucial role in controlling voluntary movements, interpreting sensory information, and processing emotions. It also houses the cerebral cortex, which is responsible for complex tasks such as language, problem-solving, and decision-making.

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  • 17. 

    The brain creates connections, or pathways, between there microscopic cell ____________.

    • Blood stream.

    • Tiny cell phones

    • Brain tissues

    • Neurons

    Correct Answer
    A. Neurons
    Explanation
    The brain creates connections, or pathways, between microscopic cells called neurons. Neurons are specialized cells that transmit information through electrical and chemical signals. These connections, also known as synapses, allow for communication and coordination between different parts of the brain, enabling various cognitive functions and behaviors.

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  • 18. 

    What is an action that occurs without your brain's help?

    • The actions that occur without your brains help is a ring.

    • The actions that occur without your brains help is a voluntary action.

    • The actions that occur without your brains help is a stimulus.

    • The actions that occur without your brains help is a reflex.

    Correct Answer
    A. The actions that occur without your brains help is a reflex.
    Explanation
    Reflex actions are involuntary responses to stimuli that occur without conscious thought or involvement from the brain. They are automatic and rapid, allowing the body to respond quickly to potential dangers or threats. Examples of reflex actions include blinking when a foreign object enters the eye or pulling your hand away from a hot surface without thinking. These actions are controlled by the spinal cord and peripheral nerves, bypassing the brain's involvement in the decision-making process. Therefore, the correct answer is that reflex actions occur without the brain's help.

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  • 19. 

    Which part of the brain helps keep your balance so you don't fall flat on your face?

    • The part of the brain that helps keep your balance so you don't fall flat on your face is the cerebellum.

    • The part of the brain helps that keep your balance so you don't fall flat on your face is the medulla oblongata.

    • The part of the brain helps that keep your balance so you don't fall flat on your face is the pituritary gland.

    • The part of the brain helps that keep your balance so you don't fall flat on your face is the spinal cord.

    Correct Answer
    A. The part of the brain that helps keep your balance so you don't fall flat on your face is the cerebellum.
    Explanation
    The cerebellum is responsible for maintaining balance and coordination in the body. It receives information from the sensory systems, such as the inner ear, and sends signals to the muscles to adjust and maintain balance. Without the cerebellum, it would be difficult to control movements and keep a stable posture, leading to a higher risk of falling.

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  • 20. 

    Which part of the brain that keeps you breathing?

    • The part of the brain that keeps you breathing is the breathe-o- meter.

    • The part of the brain that keeps you breathing is the brain stem.

    • The part of the brain that keeps you breathing is the pituritary glands.

    • The part of the brain that keeps you breathing is the cerebellum..

    Correct Answer
    A. The part of the brain that keeps you breathing is the brain stem.
    Explanation
    The brain stem is responsible for controlling basic life functions such as breathing, heart rate, and blood pressure. It is located at the base of the brain and connects the brain to the spinal cord. The brain stem contains various structures, including the medulla oblongata, which plays a crucial role in regulating respiration. It receives signals from the respiratory centers in the brain and sends out nerve impulses to the muscles involved in breathing. Therefore, the brain stem is the correct answer as it is the part of the brain that controls and maintains the breathing process.

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  • 21. 

    What does the somatic nervous system control?

    • The somatic system controls involuntary actions, like your heartbeat.

    • The somatic system controls voluntary actions, like moving.

    • The somatic system controls your body many somas.

    • The somatic system controls all of the involuntary and voluntary actions.

    Correct Answer
    A. The somatic system controls voluntary actions, like moving.
    Explanation
    The somatic nervous system is responsible for controlling voluntary actions, such as moving. This means that it allows us to consciously control our skeletal muscles and perform activities like walking, talking, and writing. In contrast, involuntary actions like the heartbeat are controlled by the autonomic nervous system, which is separate from the somatic system. Therefore, the correct answer is that the somatic system controls voluntary actions, like moving.

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  • 22. 

    Your emotions are believe to come from the ___________________.

    • Cerebellum..

    • Medulla oblongata.

    • Amygdala

    • Heart

    Correct Answer
    A. Amygdala
    Explanation
    The amygdala is responsible for processing emotions, especially fear and aggression. It plays a crucial role in the formation and storage of emotional memories and the regulation of emotional responses. It receives sensory information from the environment and sends signals to other brain regions, such as the hypothalamus and the prefrontal cortex, to initiate appropriate emotional and behavioral responses. While the cerebellum is involved in motor coordination, the medulla oblongata controls vital functions such as breathing and heart rate. The heart, although it can be influenced by emotions, does not directly generate emotions.

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  • 23. 

    Like other systems in the body, the nervous system is composed of organs, principally the brain, spinal cord, nerves, and _______.

    • Ganglia

    • Axon

    • Neurons

    • Dura mater

    Correct Answer
    A. Ganglia
    Explanation
    The nervous system is composed of organs such as the brain, spinal cord, nerves, and ganglia. Ganglia are clusters of nerve cell bodies located outside the central nervous system. They are responsible for receiving and transmitting signals to and from different parts of the body. Therefore, ganglia are an essential component of the nervous system alongside the other mentioned organs.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 22, 2009
    Quiz Created by
    Yates
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