Anatomy & Physiology 1
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Questions and Answers
- 1.
The cerebral hemispheres are connected by a large white fiber pathway called the_?_
- A.
Fornix
- B.
Insula
- C.
Circular sulcus
- D.
Corpus callosum
Correct Answer
D. Corpus callosumExplanation
The correct answer is corpus callosum. The corpus callosum is a large white fiber pathway that connects the two cerebral hemispheres of the brain. It allows for communication and coordination between the two hemispheres, enabling them to work together and share information. The other options, such as fornix, insula, and circular sulcus, are not responsible for connecting the cerebral hemispheres.Rate this question:
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- 2.
The autonomic nervous system is voluntary in nature.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The autonomic nervous system is actually involuntary in nature. It controls many bodily functions that occur automatically, such as heart rate, digestion, and breathing. It works unconsciously and is not under conscious control. Therefore, the statement that the autonomic nervous system is voluntary is false.Rate this question:
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- 3.
Somatic nerve fibers enter the area of the intestines.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Somatic nerve fibers do not enter the area of the intestines. The intestines are primarily innervated by autonomic nerve fibers, which control involuntary functions such as digestion. Somatic nerve fibers, on the other hand, innervate skeletal muscles and are responsible for voluntary movements. Therefore, the statement is false.Rate this question:
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- 4.
The brain stem includes all of the following except the?
- A.
Medulla
- B.
Pons
- C.
Midbrain
- D.
Cerebral cortex
Correct Answer
D. Cerebral cortexExplanation
The brain stem is a vital part of the central nervous system that connects the brain to the spinal cord. It controls basic functions such as breathing, heart rate, and blood pressure. The medulla, pons, and midbrain are all components of the brain stem. However, the cerebral cortex is not part of the brain stem. It is the outermost layer of the brain responsible for higher cognitive functions such as thinking, memory, and perception.Rate this question:
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- 5.
The adult spinal cord extends into the sacrum
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The adult spinal cord does not extend into the sacrum. The spinal cord terminates at the level of the first or second lumbar vertebra, and below that level, the spinal canal contains only nerve roots called the cauda equina. Therefore, the statement is false.Rate this question:
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- 6.
The membrane closest to the brain is the?
- A.
Dura mater
- B.
Pia mater
- C.
Arachnoid meninx
- D.
Denticulate ligament
Correct Answer
B. Pia materExplanation
The pia mater is the innermost layer of the meninges, the protective membranes that surround the brain and spinal cord. It is located closest to the brain and spinal cord, directly covering the surface of these structures. The pia mater is a thin, delicate membrane that helps protect and support the brain by providing nutrients and oxygen to its tissues. It also contains blood vessels that supply the brain with blood.Rate this question:
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- 7.
Injury to the visual cortex of the right occipital lobe can cause?
- A.
A partial blindness in the right eye only
- B.
Total blindness in the left eye only
- C.
Partial blindness in both eyes
- D.
Improved visual acuity in one or both eyes
Correct Answer
C. Partial blindness in both eyesExplanation
Injury to the visual cortex of the right occipital lobe can cause partial blindness in both eyes. The visual cortex is responsible for processing visual information received from both eyes. Since the injury is in the right occipital lobe, which primarily processes visual information from the left visual field, it can result in partial blindness in both eyes. This is because the left visual field is represented in the right occipital lobe, and damage to this area can affect the processing of visual information from both eyes.Rate this question:
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- 8.
Which of the following is not a part of the brain stem?
- A.
Midbrain
- B.
Pons
- C.
Anterior pituitary gland
- D.
Medulla
Correct Answer
C. Anterior pituitary glandExplanation
The anterior pituitary gland is not a part of the brain stem. The brain stem is responsible for basic functions such as breathing, heart rate, and consciousness. It consists of three parts: the midbrain, pons, and medulla. The anterior pituitary gland, on the other hand, is a part of the endocrine system and is located below the brain, connected to the hypothalamus. It is responsible for producing and releasing hormones that regulate various bodily functions.Rate this question:
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- 9.
Vision is found in which lobe of the brain?
- A.
Occipital
- B.
Frontal
- C.
Temporal
- D.
Parietal
Correct Answer
A. OccipitalExplanation
The occipital lobe is responsible for processing visual information and is primarily associated with vision. It is located at the back of the brain, near the base of the skull. This lobe contains the primary visual cortex, which receives visual input from the eyes and interprets it, allowing us to perceive and understand the world around us.Rate this question:
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- 10.
The frontal lobe is responsible for ?
- A.
Hearing
- B.
Critical thinking
- C.
Vision
- D.
Visceral sensations
Correct Answer
B. Critical thinkingExplanation
The frontal lobe is responsible for critical thinking. This area of the brain is involved in decision-making, problem-solving, and reasoning. It helps us analyze information, weigh different options, and make logical judgments. Critical thinking involves evaluating evidence, considering different perspectives, and making informed decisions. The frontal lobe plays a crucial role in these cognitive processes, allowing us to think critically and make sound judgments.Rate this question:
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May 06, 2024Quiz Edited by
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Apr 22, 2012Quiz Created by
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