Anatomy Exam 3 - Brain, Respiratory

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  • 1/140 Questions

    The Cerebral Aqueduct connects the third and fourth ventricle.

    • True
    • False
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About This Quiz


Another practice test for anatomy. Hopefully this one is a bit better.

Anatomy Exam 3 - Brain, Respiratory - Quiz

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  • 2. 

    This portion of our brain contains the primary visual association centers.

    • Parietal

    • Frontal

    • Occipital

    • Insula

    Correct Answer
    A. Occipital
    Explanation
    The occipital lobe is responsible for processing visual information and contains the primary visual association centers. It receives input from the eyes and helps to interpret and make sense of visual stimuli. This region of the brain is essential for visual perception, object recognition, and spatial awareness. The parietal lobe is primarily involved in sensory processing and spatial awareness, the frontal lobe is responsible for higher cognitive functions and decision making, and the insula is involved in emotional processing and self-awareness.

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  • 3. 

    The Mucosa in the Small Intestine forms _________, which are finger-like projections.

    • Rugae

    • Intestinal Villi

    • Plicae Circulares

    • Gyri

    Correct Answer
    A. Intestinal Villi
    Explanation
    The correct answer is Intestinal Villi. The mucosa in the small intestine forms finger-like projections called intestinal villi. These villi increase the surface area of the small intestine, allowing for better absorption of nutrients from digested food.

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  • 4. 

    The brain is not as complex as the spinal cord.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because the brain is actually more complex than the spinal cord. The brain is responsible for controlling various bodily functions, processing sensory information, and coordinating movement, while the spinal cord primarily serves as a pathway for transmitting signals between the brain and the rest of the body. The brain consists of billions of neurons and is involved in higher cognitive functions, emotions, and memory, making it a highly complex organ.

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  • 5. 

    This Cranial nerve lies above the cribriform plate and deals with sense of smell.

    • Olfactory

    • Optic

    • Vagus

    • Auditory

    Correct Answer
    A. Olfactory
    Explanation
    The cranial nerve that lies above the cribriform plate and deals with the sense of smell is the Olfactory nerve. The olfactory nerve is responsible for transmitting information about odors from the nose to the brain. It is the first cranial nerve and is involved in the sense of smell, allowing us to detect and distinguish different scents.

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  • 6. 

    Which of these brain regions is not a part of the Diencephalon?

    • Hypothalmus

    • Fornix

    • Epithalmus

    • Thalmus

    Correct Answer
    A. Fornix
    Explanation
    The fornix is not a part of the Diencephalon. The Diencephalon is a region of the brain that includes the hypothalamus, thalamus, and epithalamus. The hypothalamus is responsible for regulating various bodily functions, such as temperature, hunger, and thirst. The thalamus acts as a relay station for sensory information, while the epithalamus is involved in the regulation of sleep and wakefulness. The fornix, on the other hand, is a bundle of nerve fibers that connects the hippocampus to other regions of the brain, but it is not a part of the Diencephalon.

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  • 7. 

    The Interventricular Foramen allows for communication of CSF between the two lateral ventricles.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The Interventricular Foramen is a small opening that connects the two lateral ventricles in the brain. This allows for the flow and communication of cerebrospinal fluid (CSF) between the ventricles. CSF is a clear fluid that surrounds and cushions the brain and spinal cord, providing nutrients and removing waste products. Therefore, the statement that the Interventricular Foramen allows for communication of CSF between the two lateral ventricles is true.

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  • 8. 

    The Central Sulcus separates the ________lobes from the _______lobe.

    • Parietal, Occipital

    • Occipital, Temporal

    • Parietal, Frontal

    • Frontal, Insula

    Correct Answer
    A. Parietal, Frontal
    Explanation
    The Central Sulcus is a prominent fold in the brain that separates the frontal lobe from the parietal lobe. The frontal lobe is responsible for higher cognitive functions such as decision-making and problem-solving, while the parietal lobe is involved in processing sensory information and spatial awareness. Therefore, the correct answer is "Parietal, Frontal".

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  • 9. 

    The area of the brain most associated with speech is called the __________ and is found in the left area of the frontal lobe.

    • Weirnickes Area

    • Broca's Area

    • Schwann's Regional Divison

    • Gustatory Cortex

    Correct Answer
    A. Broca's Area
    Explanation
    Broca's Area is the correct answer because it is a region in the left frontal lobe of the brain that is primarily responsible for speech production and language processing. Damage to this area can result in difficulties in speaking and forming coherent sentences, a condition known as Broca's aphasia. Weirnickes Area is associated with language comprehension, Schwann's Regional Division is not a recognized term, and the Gustatory Cortex is responsible for processing taste sensations, not speech.

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  • 10. 

    This portion of the diencephalon controls appetites, including thirst, hunger and sexual desire. It is also an important part of the limbic system and uses the pituitary gland to coordinate endocrine functions.

    • Hypothalmus

    • Epithalmus

    • Thalmus

    • Pineal Gland

    Correct Answer
    A. Hypothalmus
    Explanation
    The hypothalamus is the correct answer because it is a portion of the diencephalon that controls appetites, including thirst, hunger, and sexual desire. It is also an important part of the limbic system and works with the pituitary gland to coordinate endocrine functions. The other options, epithalamus, thalamus, and pineal gland, do not have the same functions as the hypothalamus in controlling appetites and coordinating endocrine functions.

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  • 11. 

    Cranial Nerve N II is which nerve?

    • Trigeminal

    • Optic

    • Olfactory

    • Vagus

    Correct Answer
    A. Optic
    Explanation
    The correct answer is Optic because Cranial Nerve II is also known as the Optic Nerve. This nerve is responsible for transmitting visual information from the eyes to the brain, allowing us to perceive and interpret visual stimuli. The Trigeminal nerve is Cranial Nerve V and is responsible for sensory information from the face, while the Olfactory nerve is Cranial Nerve I and is responsible for our sense of smell. The Vagus nerve is Cranial Nerve X and is involved in various functions such as regulating heart rate and digestion.

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  • 12. 

    This nerve has three facial branches and is the nerve dentist's often numb.

    • Vagus

    • Trochlear

    • Optic

    • Trigeminal

    Correct Answer
    A. Trigeminal
    Explanation
    The trigeminal nerve is responsible for sensation in the face and motor functions such as chewing. It has three branches: the ophthalmic branch, the maxillary branch, and the mandibular branch. Dentists often numb this nerve when performing dental procedures to ensure that the patient does not feel any pain. Therefore, the trigeminal nerve is the correct answer.

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  • 13. 

    Which of these cranial nerves is not a SENSE only nerve?

    • Vestibularchoclear

    • Vagus

    • Optic

    • Olfactory

    Correct Answer
    A. Vagus
    Explanation
    The Vagus nerve is not a sense-only nerve because it is responsible for both sensory and motor functions. It is the longest cranial nerve and controls various bodily functions such as regulating heart rate, digestion, and respiratory functions. It also carries sensory information from the organs in the chest and abdomen back to the brain. Therefore, unlike the other options, the Vagus nerve is not solely dedicated to sensory perception.

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  • 14. 

    RaiWhich of these is the roman numeral number for the Abducens Cranial Nerve?

    • V

    • VI

    • III

    • X

    Correct Answer
    A. VI
    Explanation
    The roman numeral number for the Abducens Cranial Nerve is VI. This is because the Abducens Cranial Nerve is the sixth cranial nerve, and in roman numerals, the number six is represented by VI.

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  • 15. 

    Which muscle is most important when it comes to breathing?

    • Diaphragm

    • Internal Intercostals

    • External Intercostals

    • Pectoralis Minor

    Correct Answer
    A. Diaphragm
    Explanation
    The diaphragm is the most important muscle when it comes to breathing. It is a dome-shaped muscle located at the base of the lungs that separates the chest cavity from the abdominal cavity. When we inhale, the diaphragm contracts and moves downward, creating more space in the chest cavity for the lungs to expand. This allows air to be drawn into the lungs. When we exhale, the diaphragm relaxes and moves upward, pushing air out of the lungs. Without the diaphragm's contraction and relaxation, the process of inhalation and exhalation would not be possible.

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  • 16. 

    Which Digestive Accessory Organ, secretes digestive enzymes down a duct and secretes hormones including insulin.

    • Liver

    • Gallbladder

    • Pancreas

    • Vermiform Appenidix

    Correct Answer
    A. Pancreas
    Explanation
    The pancreas is the digestive accessory organ that secretes digestive enzymes down a duct and also secretes hormones including insulin. The pancreas plays a crucial role in the digestion and absorption of nutrients. It produces and releases enzymes that help break down carbohydrates, proteins, and fats in the small intestine. Additionally, the pancreas produces insulin, a hormone that regulates blood sugar levels. This hormone helps control the metabolism and utilization of glucose in the body.

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  • 17. 

    The brain can vary responses to meet changing circumstances using __________ and inhibitatory signals.

    • Afferent

    • Excitatory

    • Resuscitory

    • Efferent

    Correct Answer
    A. Excitatory
    Explanation
    Excitatory signals are responsible for increasing the activity of neurons, leading to the transmission of nerve impulses. These signals can enhance the brain's responses to meet changing circumstances by promoting the firing of neurons and facilitating communication between different parts of the brain. Inhibitory signals, on the other hand, have the opposite effect, dampening neuronal activity. Therefore, the brain can vary responses to changing circumstances by utilizing excitatory signals to increase activity in certain areas and inhibitatory signals to decrease activity in others.

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  • 18. 

    How many ventricles are located in the human brain?

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 4
    Explanation
    The human brain contains four ventricles. Ventricles are fluid-filled cavities within the brain that produce and circulate cerebrospinal fluid. They play a crucial role in protecting and nourishing the brain, as well as maintaining its overall function. The four ventricles in the human brain are the left and right lateral ventricles, the third ventricle, and the fourth ventricle. Each ventricle has its own specific location and function within the brain.

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  • 19. 

    The Thalmus regulates body temperature.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The thalamus is not responsible for regulating body temperature. It is a part of the brain that acts as a relay station for sensory information, helping to transmit signals to different areas of the brain for processing. Body temperature regulation is primarily controlled by the hypothalamus, which is located nearby the thalamus. The hypothalamus monitors and adjusts body temperature through various mechanisms such as sweating, shivering, and adjusting blood flow. Therefore, the statement that the thalamus regulates body temperature is false.

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  • 20. 

    How many pairs of Cranial Nerves are there?

    • 10

    • 21

    • 31

    • 12

    Correct Answer
    A. 12
    Explanation
    There are 12 pairs of Cranial Nerves in the human body. These nerves originate from the brain and are responsible for controlling various functions of the head and neck, such as vision, hearing, smell, taste, and facial movements. Each pair of cranial nerves serves a specific function and plays a vital role in maintaining the overall health and functioning of the body.

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  • 21. 

    On Old Olympus' Towering Top, A Finn and German Veiwed Some Hops is the mnemonic device we were taught  to help remeber the cranial nerves. What does the G in "German" stand for?

    • Glossopharyngeal

    • Glossohypotic

    • Germanic

    • Granulosar

    Correct Answer
    A. Glossopharyngeal
    Explanation
    The mnemonic device "On Old Olympus' Towering Top, A Finn and German Viewed Some Hops" is used to remember the cranial nerves. Each word in the phrase represents the first letter of a cranial nerve. In this case, the G in "German" stands for Glossopharyngeal, which is the ninth cranial nerve.

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  • 22. 

    Which of the following is not considered part of the Upper respiratory system?

    • Nose

    • Pharynx

    • Nasal Cavity

    • Bronchi

    Correct Answer
    A. Bronchi
    Explanation
    The bronchi are not considered part of the upper respiratory system. The upper respiratory system includes the nose, pharynx, and nasal cavity, which are responsible for filtering, warming, and humidifying the air we breathe. The bronchi, on the other hand, are part of the lower respiratory system, which includes the lungs and is responsible for gas exchange.

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  • 23. 

    Which of the following is not an accessory organ of the Digestive System?

    • Liver

    • Gallbladder

    • Pancreas

    • Appendix

    Correct Answer
    A. Appendix
    Explanation
    The appendix is not considered an accessory organ of the digestive system because it does not play a direct role in the digestion of food. It is a small, finger-shaped pouch located at the beginning of the large intestine. While its exact function is still not fully understood, it is believed to have a role in the immune system, specifically in the production of certain types of white blood cells.

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  • 24. 

    The pharyngeal muscles help push food into the esophagus.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the pharyngeal muscles are responsible for the process of swallowing. These muscles contract and push the food bolus from the back of the throat into the esophagus, which then leads to the stomach. Without the action of the pharyngeal muscles, it would be difficult for food to pass from the mouth to the esophagus and continue its journey through the digestive system.

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  • 25. 

    The ___________ is also known as the windpipe of the respiratory system.

    • Bronchi

    • Larynx

    • Trachea

    • Pharynx

    Correct Answer
    A. Trachea
    Explanation
    The trachea is commonly referred to as the windpipe of the respiratory system. It is a tube-like structure that connects the larynx to the bronchi, allowing air to pass into and out of the lungs. The trachea is lined with cilia and mucus-producing cells, which help to trap and remove foreign particles and protect the lungs from infection.

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  • 26. 

    The Vestibular and Vocal folds extend from the Thyoid Cartilage to the ______________.

    • Arytenoid Cartilages

    • Cricoid

    • Epiglottal

    • C-Rings

    Correct Answer
    A. Arytenoid Cartilages
    Explanation
    The Vestibular and Vocal folds extend from the Thyroid Cartilage to the Arytenoid Cartilages. These cartilages are located at the back of the larynx and play a crucial role in controlling the tension and position of the vocal folds. They help to regulate the airflow through the larynx, which is essential for producing speech and sound.

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  • 27. 

    Trachea and the Primary Bronchus has cartilage rings while the secondary and tertiary bronchioles have plates.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The trachea and primary bronchus have cartilage rings because they need to maintain their shape and prevent collapse during breathing. These rings provide structural support and ensure that the airway remains open. On the other hand, the secondary and tertiary bronchioles, being smaller and more delicate, do not require as much support. Instead, they have plates, which are thin and flexible, allowing for easier movement and expansion of the airways. Therefore, the statement is true.

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  • 28. 

    Gasses cross the Respiratory Membranes by....

    • Diffusion

    • Osmosis

    • Hypomosis

    • Exfusion

    Correct Answer
    A. Diffusion
    Explanation
    Gases cross the respiratory membranes by diffusion. Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration. In the respiratory system, oxygen from the inhaled air moves from the alveoli (where it is at a higher concentration) into the bloodstream (where it is at a lower concentration), while carbon dioxide moves from the bloodstream (higher concentration) into the alveoli (lower concentration) to be exhaled. This process occurs due to the concentration gradient between the respiratory gases, allowing them to passively diffuse across the respiratory membranes.

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  • 29. 

    The Perosteal Layer of the Dura Mater.....

    • Is the closest layer to the brain.

    • Wraps around the Spinal Cord.

    • Is attached to the skull.

    • Is absent in most areas.

    Correct Answer
    A. Is attached to the skull.
    Explanation
    The perosteal layer of the dura mater refers to the outermost layer of the meninges that covers the brain and spinal cord. It is directly attached to the inner surface of the skull, providing a protective barrier between the brain and the bony skull. This layer helps to stabilize and support the brain within the cranial cavity.

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  • 30. 

    Which neuroglial cell helps maintain the blood-brain barrier?

    • Astrocytes

    • Macrophages

    • Oligodendricytes

    • Microphages

    Correct Answer
    A. Astrocytes
    Explanation
    Astrocytes are a type of neuroglial cell that play a crucial role in maintaining the blood-brain barrier. They form a protective barrier between the blood vessels and the brain tissue, regulating the movement of substances into and out of the brain. Astrocytes have specialized structures called endfeet that surround blood vessels and release chemicals that help maintain the integrity of the blood-brain barrier. They also provide support and nourishment to neurons, regulate the concentration of ions and neurotransmitters in the brain, and contribute to the repair and regeneration of brain tissue.

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  • 31. 

    Which of the following are considered part of the forebrain?1. Medulla Oblongata2. Cerebellum3. Diencephalon4. Cerebrum

    • 1 and 2

    • 2 and 3

    • 1 and 3

    • 3 and 4

    Correct Answer
    A. 3 and 4
    Explanation
    The forebrain is responsible for many important functions such as perception, cognition, and voluntary movement. The medulla oblongata and cerebellum are actually part of the hindbrain, not the forebrain. The diencephalon, which includes the thalamus and hypothalamus, is considered part of the forebrain. The cerebrum, which is the largest part of the brain and is responsible for higher cognitive functions, is also part of the forebrain. Therefore, options 3 and 4 are the correct choices as they include the diencephalon and cerebrum, which are both part of the forebrain.

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  • 32. 

    Which of the following is not considered part of the Brain Stem?

    • Mesencephalon (Mid Brain)

    • Cerebral Aqueduct

    • Pons

    • Medulla Oblongata

    Correct Answer
    A. Cerebral Aqueduct
    Explanation
    The brain stem is composed of three main parts: the midbrain (mesencephalon), the pons, and the medulla oblongata. The cerebral aqueduct, on the other hand, is a narrow canal that connects the third and fourth ventricles of the brain, allowing cerebrospinal fluid to flow between them. While it is an important structure in the brain, it is not considered part of the brain stem.

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  • 33. 

    Which lung has the Cardiac Notch?

    • Right

    • Left

    Correct Answer
    A. Left
    Explanation
    The left lung has the cardiac notch. This is a concave-shaped indentation on the left lung that accommodates the position of the heart. The heart is located slightly to the left side of the chest, and the cardiac notch allows the left lung to make room for the heart. The right lung does not have a cardiac notch because it does not need to accommodate the heart.

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  • 34. 

    All but one of the brain's lobes can be seen superficially. The one that can not is more deep and called the _______.

    • Temporal

    • Insula

    • Frontal

    • Occipital

    Correct Answer
    A. Insula
    Explanation
    The brain is divided into lobes, which are different regions responsible for specific functions. The frontal, temporal, and occipital lobes can be seen superficially, meaning they are visible on the surface of the brain. However, the insula lobe is located deeper within the brain and cannot be seen superficially. Therefore, the correct answer is Insula.

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  • 35. 

    Our sense and conscious perception of touch can be found in this area of the brain.

    • Temporal

    • Parietal

    • Frontal

    • Occipital

    Correct Answer
    A. Parietal
    Explanation
    The correct answer is Parietal. The parietal lobe is responsible for processing sensory information, including touch. It receives and interprets signals from the skin and other sensory organs, allowing us to perceive touch and have a conscious awareness of it. This area of the brain plays a crucial role in our sense of touch and our ability to perceive and interact with the world around us.

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  • 36. 

    This low portion of the midbrain controls autonomic functions like breathing, blood pressure, swallowing and vommitting.

    • Pons

    • Medulla Oblongata

    • Superior Colliculi

    • Inferior Colliculi

    Correct Answer
    A. Medulla Oblongata
    Explanation
    The medulla oblongata is the correct answer because it is a region in the lower portion of the midbrain that controls various autonomic functions. It regulates essential processes such as breathing, blood pressure, swallowing, and vomiting. The medulla oblongata serves as a vital connection between the brain and the spinal cord, allowing for the transmission of signals to and from the body.

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  • 37. 

    This portion of your brain aids in balance and also provides involuntary muscle control to aid in coordination.

    • Cerebrum

    • Medulla Oblongata

    • Frontal Lobe

    • Cerebellum

    Correct Answer
    A. Cerebellum
    Explanation
    The cerebellum is responsible for maintaining balance and coordinating muscle movements. It receives information from the sensory systems, the spinal cord, and other parts of the brain to regulate and fine-tune motor activities. It helps in the smooth execution of voluntary movements and also plays a role in motor learning and muscle memory.

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  • 38. 

    Put the following layers that protect the brain in order from most superficial to deepest.

    • Scalp and Skin, Cranial Meninges, Skull Bone, CSF, Blood Brain Barrier

    • Scalp and Skin, Blood Brain Barrier, Cranial Meninges, Skull Bone, CSF

    • Scalp and Skin, Blood Brain Barrier, Skull Bone, Cranial Meninges, CSF

    • Scalp and Skin, Skull Bone, Cranial Meninges, CSF, Blood Brain Barrier

    Correct Answer
    A. Scalp and Skin, Skull Bone, Cranial Meninges, CSF, Blood Brain Barrier
    Explanation
    The layers that protect the brain in order from most superficial to deepest are the scalp and skin, followed by the skull bone, then the cranial meninges, the cerebrospinal fluid (CSF), and finally the blood-brain barrier.

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  • 39. 

    Which area of the brain forms CSF?

    • Corpus Callosum

    • Choroid Plexus

    • Fornix

    • Cerebral Aqueduct

    Correct Answer
    A. Choroid Plexus
    Explanation
    The choroid plexus is responsible for producing cerebrospinal fluid (CSF) in the brain. CSF is a clear fluid that surrounds and protects the brain and spinal cord. It is produced by the choroid plexus, which is located in the ventricles of the brain. The choroid plexus filters blood plasma and secretes CSF into the ventricles. This fluid then circulates around the brain and spinal cord, providing nutrients, removing waste products, and cushioning the central nervous system. Therefore, the choroid plexus is the area of the brain that forms CSF.

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  • 40. 

    This Cranial Nerve's main function is to move the eye. It's origin is the mesencephalon and it's destination is the Superior Oblique Muscle.

    • Vagus

    • Trochlear

    • Trochanter

    • Vestibular

    Correct Answer
    A. Trochlear
    Explanation
    The correct answer is Trochlear. The trochlear nerve is the cranial nerve responsible for moving the eye. It originates from the mesencephalon and its destination is the Superior Oblique Muscle.

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  • 41. 

    The Digestive System has two parts, the muscular tube and the accessory organs.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the digestive system is composed of two main parts: the muscular tube, which includes the organs involved in digestion such as the stomach and intestines, and the accessory organs, which aid in the process of digestion but are not part of the tube itself, such as the liver and pancreas.

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  • 42. 

    The Oral Cavity and Esophagus are lined by _________________________ to resist abrasion while the stomach, small intestine and most of the large intestine are lined with ______________ for absorption and secretion.

    • Stratified squamous epithelium, simple columnar epithelium

    • Simple columnar epithelium, stratified squamous epithelium

    Correct Answer
    A. Stratified squamous epithelium, simple columnar epithelium
    Explanation
    The oral cavity and esophagus are lined by stratified squamous epithelium to resist abrasion, as these areas are exposed to mechanical forces and friction during chewing and swallowing. On the other hand, the stomach, small intestine, and most of the large intestine are lined with simple columnar epithelium, which is specialized for absorption and secretion. This type of epithelium allows for efficient nutrient absorption and the secretion of digestive enzymes and mucus to aid in digestion and protect the underlying tissues.

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  • 43. 

    Which region of the stomach connects to the duodenum?

    • Body

    • Pylorus

    • Fundus

    • Cardia

    Correct Answer
    A. Pylorus
    Explanation
    The pylorus is the region of the stomach that connects to the duodenum. It is located at the lower end of the stomach and acts as a valve to regulate the flow of partially digested food from the stomach into the small intestine. The pylorus contains muscles that contract and relax to control the passage of food, allowing for proper digestion and absorption in the small intestine.

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  • 44. 

    Which of the two anal sphincters is controlled voluntarily?

    • Internal

    • External

    Correct Answer
    A. External
    Explanation
    The external anal sphincter is controlled voluntarily. This means that a person can consciously relax or contract this muscle to control the release of feces from the rectum. The internal anal sphincter, on the other hand, is controlled involuntarily by the autonomic nervous system and is responsible for maintaining continence at rest.

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  • 45. 

    Intelligence, Memory, Conscious Thinking and Conscious control of skeletal muscle is found in this area of the brain.

    • Occipital

    • Parietal

    • Insula

    • Frontal

    Correct Answer
    A. Frontal
    Explanation
    The frontal lobe of the brain is responsible for intelligence, memory, conscious thinking, and conscious control of skeletal muscle. It is involved in higher cognitive functions such as decision-making, problem-solving, and planning. Additionally, the frontal lobe plays a crucial role in personality and social behavior.

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  • 46. 

    Which of the following is not a function of the Digestive System?

    • Body Regulation

    • Secretion

    • Compaction

    • Digestion

    Correct Answer
    A. Body Regulation
    Explanation
    The digestive system is responsible for breaking down food and absorbing nutrients, as well as eliminating waste. It does not play a direct role in body regulation, which is typically carried out by other systems such as the endocrine system and the nervous system. Body regulation involves processes such as maintaining body temperature, regulating blood pressure, and controlling hormone levels. Therefore, body regulation is not a function of the digestive system.

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  • 47. 

    Which two regions make up the Hind Brain?1. Pons2. Cerebellum3. Cerebrum4, Mesencephalon

    • 1 and 2

    • 1 and 4

    • 2 and 4

    • 3 and 4

    Correct Answer
    A. 1 and 2
    Explanation
    The hindbrain is composed of two regions: the pons and the cerebellum. The pons is involved in relaying signals between different parts of the brain and the spinal cord, while the cerebellum plays a crucial role in motor coordination, balance, and posture. Therefore, the correct answer is 1 and 2.

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  • 48. 

    The Precentral Gyrus is located in the _______ lobe.

    • Frontal

    • Left Parietal

    • Insula

    • Occipital

    Correct Answer
    A. Frontal
    Explanation
    The Precentral Gyrus is located in the frontal lobe. The frontal lobe is responsible for various higher cognitive functions such as decision-making, problem-solving, and motor control. The Precentral Gyrus specifically plays a crucial role in motor control, as it is involved in planning and executing voluntary movements. Therefore, it is logical to place the Precentral Gyrus in the frontal lobe, which is responsible for motor function and other executive functions.

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  • 49. 

    The left side of our frontal brain is logical and rational while the right side is more artistic.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that the left side of the frontal brain is responsible for logical thinking, reasoning, and analytical skills, while the right side is associated with creativity, imagination, and artistic abilities. This division of functions is known as lateralization of the brain. Numerous studies have shown that different areas of the brain are specialized for specific cognitive processes, and this division between logical and artistic abilities is a well-established concept in neuroscience. Therefore, it is true that the left side of the frontal brain is logical and rational, while the right side is more artistic.

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