Brain Open Book-- Quiz. Spelling,Spacing & Grammar Count!
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Questions and Answers
- 1.
Which brain structure relays messages between lower brain centers and cerebral cortex?
Explanation
The thalamus is a brain structure that acts as a relay station, transmitting sensory and motor signals between the lower brain centers and the cerebral cortex. It receives information from various sensory systems, such as vision, hearing, and touch, and then relays this information to the appropriate areas in the cerebral cortex for further processing. Additionally, the thalamus plays a role in regulating consciousness, sleep, and alertness.Rate this question:
- 2.
Which brain structure is linked to emotion, especially strong ones?
Explanation
The amygdala is a brain structure that is strongly linked to emotion, particularly strong emotions. It plays a crucial role in processing and regulating emotions such as fear, anger, and pleasure. The amygdala is involved in the formation of emotional memories and the recognition of emotional stimuli. It also plays a role in the body's stress response and can influence decision-making and social behavior. Overall, the amygdala is a key structure in the brain for experiencing and expressing emotions, especially intense ones.Rate this question:
- 3.
Which brain structure regulates & controls arousal?
Explanation
The reticular formation is a network of neurons located in the brainstem that plays a crucial role in regulating and controlling arousal. It receives sensory information from various parts of the body and sends signals to the cerebral cortex, keeping it alert and awake. The reticular formation also helps filter out irrelevant stimuli, allowing us to focus on important information. Additionally, it is involved in regulating sleep-wake cycles and maintaining overall consciousness. Therefore, the reticular formation is responsible for controlling arousal levels in the brain.Rate this question:
- 4.
Which brain structure is the ultimate control & information processing center?
Explanation
The cerebral cortex is the outer layer of the brain responsible for higher cognitive functions such as perception, memory, language, and problem-solving. It receives and processes sensory information from the environment, integrating it with stored knowledge to make decisions and control behavior. As the largest and most developed part of the brain in humans, the cerebral cortex plays a crucial role in controlling and processing information, making it the ultimate control and information processing center.Rate this question:
- 5.
Which imaging technique uses radioactive glucose to "light up" the brain when given a certain task?
Explanation
PET scan is an imaging technique that uses radioactive glucose to "light up" the brain when given a certain task. This is because active areas of the brain require more glucose for energy, and the radioactive glucose is taken up by these active regions. By detecting the radiation emitted by the radioactive glucose, a PET scan can create a visual representation of brain activity during specific tasks or conditions.Rate this question:
- 6.
This structure controls movement, balance and posture.
- A.
Cerebrum
- B.
Cerebellum
- C.
Balanced brain
Correct Answer
B. CerebellumExplanation
The cerebellum is responsible for controlling movement, balance, and posture. It receives information from various parts of the body and coordinates muscle activity to ensure smooth and coordinated movements. It plays a crucial role in maintaining balance and posture by continuously monitoring and adjusting body position. The cerebellum also helps in fine-tuning motor skills and learning new movements. Therefore, the cerebellum is the correct answer for this question.Rate this question:
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- 7.
This is a collection of axons that connect the right and left hemispheres of the brain.
- A.
Corpus callosum
- B.
Cerebral hemisphere
- C.
Corporal callosum
Correct Answer
A. Corpus callosumExplanation
The corpus callosum is a collection of axons that connect the right and left hemispheres of the brain. It allows for communication and coordination between the two hemispheres, enabling them to work together and share information. This structure plays a crucial role in various cognitive processes, such as language processing, memory, and perception. The other options, cerebral hemisphere and corporal callosum, do not accurately describe this specific structure.Rate this question:
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- 8.
Split Brain Surgery can be used to help reduce what?
- A.
Migraines
- B.
Nightmares
- C.
Epileptic Seizures
Correct Answer
C. Epileptic SeizuresExplanation
Split brain surgery is a procedure in which the corpus callosum, the bundle of nerves connecting the two hemispheres of the brain, is partially or completely severed. This surgery is primarily performed to reduce or eliminate epileptic seizures in patients who have not responded to other treatments. By disconnecting the two hemispheres, the spread of abnormal electrical activity that causes seizures can be limited. Therefore, the correct answer is "Epileptic Seizures."Rate this question:
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- 9.
What is the connection between the language centers and the visual cortex?
- A.
Corpus Callosum
- B.
Angular Gyrus
- C.
Cerebral Cortex
- D.
Brain Stem
Correct Answer
B. Angular GyrusExplanation
The angular gyrus is the connection between the language centers and the visual cortex. It is a part of the cerebral cortex, located in the parietal lobe of the brain. The angular gyrus plays a crucial role in language processing and comprehension, as it integrates visual information from the visual cortex with language information from the language centers. This connection allows for the interpretation and understanding of written language, as well as the ability to visualize and imagine objects and scenes described in language.Rate this question:
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- 10.
The two hemispheres of the brain are linked by...
- A.
Corpus Callosum
- B.
Angular Gyrus
- C.
Cerebral Cortex
- D.
Brainstem
Correct Answer
A. Corpus CallosumExplanation
The two hemispheres of the brain are linked by the corpus callosum. This is a thick band of nerve fibers that enables communication and coordination between the left and right hemispheres. It allows for the transfer of information, such as sensory and motor signals, between the two hemispheres, ensuring that they can work together seamlessly. Without the corpus callosum, the hemispheres would function independently, leading to a lack of integration and coordination in brain functions.Rate this question:
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- 11.
Each hemisphere's primary connections are to which side of the body?
- A.
Same
- B.
Opposite
Correct Answer
B. OppositeExplanation
The primary connections of each hemisphere in the brain are to the opposite side of the body. This means that the left hemisphere controls the right side of the body, and the right hemisphere controls the left side of the body. This is due to the crossing over of nerve fibers in the brainstem, where signals from one side of the brain are transmitted to the opposite side of the body.Rate this question:
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- 12.
What is the biggest part of the brain?
- A.
Cerebrum
- B.
Thalamus
- C.
Brain stem
- D.
Cerebellum
Correct Answer
A. CerebrumExplanation
The cerebrum is the biggest part of the brain. It is responsible for higher cognitive functions such as thinking, memory, perception, and voluntary movement. It is divided into two hemispheres and is made up of different lobes, each with specific functions. The cerebrum plays a crucial role in human intelligence and is responsible for complex behaviors and problem-solving abilities.Rate this question:
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- 13.
Name the 4 lobes of the brain one word answers with a comma between each
Correct Answer
Frontal, Temporal, Occipital, ParietalExplanation
The brain is divided into four main lobes: the frontal lobe, which is responsible for decision-making and problem-solving; the temporal lobe, involved in memory and language processing; the occipital lobe, responsible for visual processing; and the parietal lobe, which plays a role in sensory perception and spatial awareness.Rate this question:
- 14.
Clarence was in a car accident, and the doctor suspects that he may have suffered damage to his brain. He is put within a chamber in which magnetic fields and radio waves are utilized to give the doctors a three-dimensional picture of Clarence’s brain. Which technique is being utilized?
- A.
EEG
- B.
PET
- C.
MRI
Correct Answer
C. MRIExplanation
An MRI (Magnetic Resonance Imaging) technique is being utilized in this scenario. MRI uses magnetic fields and radio waves to create detailed, three-dimensional images of the brain. This technique is commonly used to diagnose brain injuries or abnormalities by providing clear pictures of the brain's structure and any potential damage. EEG (Electroencephalography) and PET (Positron Emission Tomography) are other imaging techniques that are used for different purposes and do not involve the use of magnetic fields and radio waves like an MRI.Rate this question:
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- 15.
The cerebrum is split down the middle into two halves called ___________ that communicate with each other.
Correct Answer
hemispheresExplanation
The cerebrum is divided into two halves called hemispheres. These hemispheres are responsible for communication and coordination between various functions of the brain. Each hemisphere controls the opposite side of the body and has specialized functions. The left hemisphere is typically associated with language, logic, and analytical thinking, while the right hemisphere is involved in creativity, intuition, and spatial awareness. The hemispheres communicate through a thick bundle of nerve fibers called the corpus callosum, allowing for the integration of information and coordinated functioning of the brain.Rate this question:
- 16.
Your ______ ______ is responsible for regulating many life support mechanisms, such as your heart rate, blood pressure, digestion and breathing. It also regulates when you sleep and wake.
Correct Answer
brainstemExplanation
The brainstem is responsible for regulating many life support mechanisms, such as heart rate, blood pressure, digestion, and breathing. It also controls the sleep-wake cycle.Rate this question:
- 17.
Your brain stem connects your brain to your ______ ______.
Correct Answer
spinal cordExplanation
The brain stem connects the brain to the spinal cord. It is responsible for controlling basic functions such as breathing, heart rate, and blood pressure. The spinal cord is a long bundle of nerves that extends from the brain down the back. It relays messages between the brain and the rest of the body, allowing for movement and sensation.Rate this question:
- 18.
The ______ ______ is also known as the mammalian brain. It plays an important role in the expression of survival instincts, drives and emotions
Correct Answer
limbic systemExplanation
The limbic system, also known as the mammalian brain, is responsible for regulating survival instincts, drives, and emotions. It plays a crucial role in our behaviors and emotions, including fear, pleasure, anger, and motivation. The limbic system consists of various structures, including the amygdala, hippocampus, and hypothalamus, which work together to control our emotional responses and behaviors.Rate this question:
- 19.
An injury to the Broca’s area of the brain would affect one’s _______.
- A.
Eye-hand coordination
- B.
Hearing
- C.
Speech
- D.
Motor skills
Correct Answer
C. SpeechExplanation
An injury to the Broca's area of the brain would affect one's speech. The Broca's area is located in the frontal lobe of the brain and is responsible for the production of speech. Damage to this area can result in difficulty in speaking, such as slurred or unintelligible speech, or even the inability to produce any speech at all. Other functions like eye-hand coordination, hearing, and motor skills are not primarily associated with the Broca's area.Rate this question:
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- 20.
Wernicke's area, located in the temporal lobe, is essential for __________.
- A.
Hearing
- B.
Understanding language
- C.
Sensitizing taste buds
- D.
Conveying pain signals
Correct Answer
B. Understanding languageExplanation
Wernicke's area, located in the temporal lobe, is responsible for understanding language. This area plays a crucial role in language comprehension and processing. Damage to Wernicke's area can result in language comprehension difficulties, such as difficulty understanding spoken or written language, and can lead to a condition known as Wernicke's aphasia.Rate this question:
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Sep 06, 2024Quiz Edited by
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Sep 09, 2013Quiz Created by
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