Sheep Brain Anatomy Quiz

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Quizzes Created: 330 | Total Attempts: 1,650,078

Questions: 10 | Attempts: 5,454 | Updated: Apr 3, 2024

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Sheep are wonderful and cute. The Brain is an interesting organ. It helps with cognition and memory. Almost all the basic tasks In the body is commanded by the Brain. The control center of the body regulates and controls the process crucial for survival.

Are you interested in learning more about the brain of different animals? Can you answer all the questions of this "Sheep Brain Anatomy" Quiz? Learn more about anatomy with this fun quiz! Play this quiz with your friends and family to double the learning adventure!

Sheep Brain Anatomy Questions and Answers

1.

What is the outer covering of the Sheep brain?
- A.
  
  Arachnoid Mater
- B.
  
  Pia Mater
- C.
  
  Medulla Oblongata
- D.
  
  Dura Mater
Correct Answer
D. Dura Mater

Explanation
The correct answer is Dura Mater. The dura mater is the outermost layer of the meninges, which are the protective coverings of the brain and spinal cord. It is a tough and fibrous membrane that helps to protect the brain from injury and provides support to the delicate structures within.

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2.

Which amongst the following is the largest structure in dorsal view?
- A.
  
  Pons
- B.
  
  Medulla Oblongata
- C.
  
  Cerebral cortex
- D.
  
  Hippocampus
Correct Answer
C. Cerebral cortex

Explanation
The cerebral cortex is the largest structure in the brain when viewed from the dorsal (top) perspective. It is responsible for many higher cognitive functions such as memory, attention, perception, and language. The pons, medulla oblongata, and hippocampus are also important structures in the brain, but they are relatively smaller in size compared to the cerebral cortex.

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3.

What are the large folds that surround the cerebrum?
- A.
  
  Gyri
- B.
  
  Sulci
- C.
  
  Fissures
- D.
  
  Colliculus
Correct Answer
A. Gyri

Explanation
Gyri are large folds that surround the cerebrum. These folds increase the surface area of the brain, allowing for more neurons and connections to be packed into a smaller space. The gyri play a crucial role in the processing and integration of information in the cerebrum.

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4.

Which structure is caudal to the infundibulum?
- A.
  
  Optic tracts
- B.
  
  Infundibulum
- C.
  
  Pyriform cortex
- D.
  
  Medulla
Correct Answer
B. Infundibulum

Explanation
The mammillary bodies are caudal to the infundibulum. The infundibulum, a part of the brain that connects the hypothalamus to the pituitary gland, is located superiorly to the mammillary bodies, which are part of the diencephalon located near the posterior end of the hypothalamus.

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5.

Which of the following separates the pyriform cortex from the temporal lobe?
- A.
  
  Cerebral aqueduct
- B.
  
  Ansate sulcus
- C.
  
  Inferior colliculus
- D.
  
  Rhinal fissure
Correct Answer
D. Rhinal fissure

Explanation
The rhinal fissure is the correct answer because it is the structure that separates the pyriform cortex from the temporal lobe. The pyriform cortex is a part of the olfactory system and is involved in processing smell information. The temporal lobe, on the other hand, is responsible for various functions including memory, language, and emotion. The rhinal fissure acts as a boundary between these two structures, helping to separate and define their respective roles in brain function.

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6.

Which structure connects the left and right hemispheres?
- A.
  
  Corpus callosum
- B.
  
  Temporal lobe.
- C.
  
  Arbor vitae
- D.
  
  Ansate sulcus
Correct Answer
A. Corpus callosum

Explanation
The corpus callosum is a structure in the brain that connects the left and right hemispheres. It is responsible for allowing communication and coordination between the two hemispheres, enabling them to work together efficiently. The other options, such as the temporal lobe, arbor vitae, and ansate sulcus, do not have the same function of dividing the hemispheres. Therefore, the correct answer is the corpus callosum.

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7.

The dorsal surface of the medulla forms the floor of which structure?
- A.
  
  Spinal canal
- B.
  
  Cerebral aqueduct
- C.
  
  Fourth ventricle
- D.
  
  Optic chiasma
Correct Answer
C. Fourth ventricle

Explanation
The dorsal surface of the medulla forms the floor of the fourth ventricle. The fourth ventricle is a fluid-filled cavity located in the hindbrain, between the pons and the cerebellum. It is responsible for the production and circulation of cerebrospinal fluid (CSF). The medulla, which is a part of the brainstem, is located just above the spinal cord and plays a crucial role in relaying signals between the brain and the spinal cord. Therefore, the correct answer is the fourth ventricle.

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8.

Which structure is found lateral to the peduncles?
- A.
  
  Pyriform cortex
- B.
  
  Spinal canal
- C.
  
  Mammillary bodies
- D.
  
  Fourth ventricle
Correct Answer
A. Pyriform cortex

Explanation
The pyriform cortex is found lateral to the peduncles.

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9.

The deeper sulci are known as
- A.
  
  Peduncles
- B.
  
  Colliculus
- C.
  
  Fissures
- D.
  
  Gyri
Correct Answer
C. Fissures

Explanation
Fissures are deep grooves or furrows in the brain that separate different lobes and regions. They are responsible for dividing the brain into distinct functional areas. Unlike sulci, which are shallow grooves, fissures are deeper and more pronounced. Therefore, the correct answer is fissures.

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10.

Which one of the following is a large round structure under the optic chiasma?
- A.
  
  Pineal gland
- B.
  
  Pituitary gland
- C.
  
  Medulla oblongata
- D.
  
  Corpus callosum
Correct Answer
B. Pituitary gland

Explanation
The pituitary gland is a large round structure located under the optic chiasma. It is an endocrine gland that plays a vital role in regulating various bodily functions and releasing hormones. The pineal gland is a small gland located in the brain, the medulla oblongata is a part of the brainstem, and the corpus callosum is a structure that connects the two hemispheres of the brain. Therefore, the pituitary gland is the correct answer.

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