Sensory System (Nervous System)
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Which of the following cranial nerves is not directly related to the eye?
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II
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III
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VI
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VII
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Mark the letter of the letter of choice then click on the next button. Answer will be revealed after each question. No time limit to finish the exam. Good luck!
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- 2.
Which of the following cranial nerves can cause movement of trapezius muscle?
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IV
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VII
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X
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XI
Correct Answer
A. XIExplanation
Cranial nerve XI, also known as the accessory nerve, can cause movement of the trapezius muscle. This nerve innervates the trapezius muscle, which is responsible for movements of the shoulder and neck. Damage or dysfunction of cranial nerve XI can result in weakness or loss of movement in the trapezius muscle, leading to difficulty in performing certain shoulder and neck movements.Rate this question:
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- 3.
Which of the following cranial nerves causes sensation to 1/3 of the tongue?
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IV
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VII
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X
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XI
Correct Answer
A. VIIExplanation
Cranial nerve VII, also known as the facial nerve, is responsible for providing sensation to 1/3 of the tongue. This nerve innervates the taste buds on the anterior two-thirds of the tongue, allowing us to perceive taste sensations from this region. The other cranial nerves listed (IV, X, XI) do not have a direct role in providing sensation to the tongue.Rate this question:
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- 4.
Which of the following cranial nerves can be directly linked to respiratory and cardiac dysfunction?
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IV
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VII
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X
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XI
Correct Answer
A. VIIExplanation
Cranial nerve VII, also known as the facial nerve, can be directly linked to respiratory and cardiac dysfunction. This is because the facial nerve innervates the muscles responsible for facial expressions, including the muscles involved in breathing and swallowing. Dysfunction of this nerve can lead to difficulty in breathing and swallowing, which can in turn affect respiratory and cardiac function. Therefore, cranial nerve VII is the correct answer in this case.Rate this question:
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- 5.
Which of the following cranial nerves can be directly linked to respiratory and cardiac dysfunction?
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IV
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VII
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X
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XI
Correct Answer
A. XExplanation
Cranial nerve X, also known as the vagus nerve, can be directly linked to respiratory and cardiac dysfunction. It is responsible for controlling the muscles involved in respiration and regulating the heart rate. Dysfunction of the vagus nerve can lead to problems such as difficulty breathing, irregular heart rate, and even cardiac arrest. Therefore, cranial nerve X is the correct answer as it directly affects both respiratory and cardiac functions.Rate this question:
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- 6.
Which of the following cranial nerves can be directly linked to ptosis?
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III
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IV
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V
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VI
Correct Answer
A. IVExplanation
Cranial nerve IV, also known as the trochlear nerve, can be directly linked to ptosis. Ptosis refers to the drooping of the upper eyelid, and cranial nerve IV is responsible for innervating the superior oblique muscle, which helps to elevate the eyelid. Dysfunction or damage to this nerve can result in weakness or paralysis of the superior oblique muscle, leading to ptosis.Rate this question:
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- 7.
Which of the following cranial nerves can be directly linked to diplopia?
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II
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IV
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V
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VI
Correct Answer
A. IVExplanation
Cranial nerve IV, also known as the trochlear nerve, is responsible for the movement of the superior oblique muscle of the eye. When this nerve is affected or damaged, it can lead to a condition called trochlear nerve palsy, which can cause diplopia or double vision. Therefore, cranial nerve IV can be directly linked to diplopia.Rate this question:
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- 8.
Which of the following is another name for cranial nerve IX?
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Trochlear
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Vestibulocochlear
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Hypoglossal
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Glosspharyngeal
Correct Answer
A. GlosspharyngealExplanation
Cranial nerve IX is also known as Glosspharyngeal.Rate this question:
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- 9.
Athetosis type movements are often identified with a _______ lesion.
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Midbrain
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Basal ganglia
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Subthalamic
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Thalamus
Correct Answer
A. Basal gangliaExplanation
Athetosis type movements are often identified with a basal ganglia lesion. The basal ganglia is a group of structures located deep within the brain that are involved in the control of movement. Damage to the basal ganglia can result in abnormal involuntary movements, including athetosis. Therefore, when athetosis type movements are present, it is often indicative of a lesion or dysfunction in the basal ganglia.Rate this question:
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- 10.
Changes in personality and judgment are often associated with a _____lesion.
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Frontal lobe
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Parietal lobe
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Broca's area
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Wernicke's area
Correct Answer
A. Frontal lobeExplanation
Changes in personality and judgment are often associated with a frontal lobe lesion. The frontal lobe is responsible for executive functions such as decision-making, problem-solving, and regulating behavior. Damage to this area can result in alterations in personality, impulsivity, poor judgment, and difficulty with planning and organizing. Lesions in other areas, such as the parietal lobe, Broca's area, or Wernicke's area, may be associated with different cognitive or language impairments, but are not specifically linked to changes in personality and judgment.Rate this question:
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- 11.
Changes in motor aphasia are often associated with a _______ lesion.
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Frontal lobe
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Parietal lobe
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Broca's area
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Wernicke's area
Correct Answer
A. Broca's areaExplanation
Motor aphasia is a type of aphasia characterized by difficulty in speaking or forming words. It is caused by damage to the language centers in the brain. Broca's area, located in the frontal lobe of the brain, is responsible for the production of speech. Therefore, changes in motor aphasia are often associated with a lesion in Broca's area.Rate this question:
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- 12.
Changes in sensory aphasia are often associated with a _______ lesion.
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Frontal lobe
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Parietal lobe
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Broca's area
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Wernicke's area
Correct Answer
A. Wernicke's areaExplanation
Sensory aphasia refers to a language disorder characterized by difficulty in understanding and processing spoken or written language. Wernicke's area, located in the temporal lobe of the brain, is responsible for language comprehension. Therefore, changes in sensory aphasia are often associated with a lesion in Wernicke's area.Rate this question:
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- 13.
Which of the following diseases has not been directly linked with Bell's palsy?
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AIDS
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Diabetes
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Lyme disease
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Alzheimer's disease
Correct Answer
A. Alzheimer's diseaseExplanation
Bell's palsy is a condition characterized by sudden weakness or paralysis of the facial muscles. It is typically caused by inflammation or compression of the facial nerve. While AIDS, diabetes, and Lyme disease have all been associated with an increased risk of developing Bell's palsy, there is currently no direct link between Alzheimer's disease and Bell's palsy. Alzheimer's disease is a neurodegenerative disorder that primarily affects memory and cognitive function, and it does not commonly manifest with facial paralysis.Rate this question:
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- 14.
Which of the following cervical nerve roots best corresponds with activation of the triceps muscle?
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C5
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C6
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C7
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T2
Correct Answer
A. C7Explanation
The triceps muscle is primarily innervated by the radial nerve, which arises from the C7 nerve root. Therefore, activation of the triceps muscle corresponds best with the C7 nerve root.Rate this question:
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- 15.
The upper and middle trucks of the brachial plexus combine to form the ____ cord.
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Lateral
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Posterior
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Medial
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Anterior
Correct Answer
A. LateralExplanation
The upper and middle trucks of the brachial plexus combine to form the lateral cord.Rate this question:
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- 16.
The upper, middle, and lower trucks of the brachial plexus combine to form the ____ cord.
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Lateral
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Posterior
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Medial
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Anterior
Correct Answer
A. PosteriorExplanation
The upper, middle, and lower trunks of the brachial plexus combine to form the posterior cord.Rate this question:
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- 17.
The lower truck of the brachial plexus forms the ____ cord.
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Lateral
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Posterior
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Medial
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Anterior
Correct Answer
A. MedialExplanation
The lower truck of the brachial plexus forms the medial cord.Rate this question:
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- 18.
Jerky and sudden random movements are often associated with a _____lesion.
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Midbrain
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Basal gangli
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Subthalamic
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Thalamus
Correct Answer
A. Basal gangliExplanation
Jerky and sudden random movements, also known as chorea, are commonly associated with lesions in the basal ganglia. The basal ganglia are a group of structures located deep within the brain that play a crucial role in movement control. Damage or dysfunction in the basal ganglia can disrupt the normal coordination of movements, leading to the manifestation of abnormal, involuntary movements such as chorea. Therefore, the correct answer is basal ganglia.Rate this question:
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- 19.
Which of the following arteries supplies Broca's area?
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ACA
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MCA
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PCA
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Lateral striate
Correct Answer
A. MCAExplanation
Broca's area is a region in the frontal lobe of the brain that is responsible for speech production. The middle cerebral artery (MCA) is one of the major arteries that supplies blood to the brain, including the frontal lobe where Broca's area is located. Therefore, the MCA is the artery that supplies Broca's area.Rate this question:
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- 20.
Which of the following arteries if ruptured can cause an oculomotor palsy?
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ACA
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MCA
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PCa
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Lateral striate
Correct Answer
A. PCaExplanation
If the posterior cerebral artery (PCa) is ruptured, it can cause an oculomotor palsy. The oculomotor nerve controls the movement of the eye and is responsible for pupil constriction. When the PCa is damaged, it can lead to dysfunction of the oculomotor nerve, resulting in symptoms such as drooping eyelid, double vision, and dilated pupil. Therefore, a ruptured PCa can cause an oculomotor palsy.Rate this question:
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- 21.
Which of the following is not true concerning Brown-Sequard syndrome?
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Contralateral spinothalamic deficits
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Ipsilateral spinothalamic deficits
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Ipsilateral dorsal column deficits
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Ipsilateral pyramidal tract deficits
Correct Answer
A. Ipsilateral spinothalamic deficitsExplanation
Brown-Sequard syndrome is a neurological condition caused by damage to one side of the spinal cord. It is characterized by a combination of ipsilateral (on the same side) and contralateral (on the opposite side) deficits. The correct answer, "Ipsilateral spinothalamic deficits," is not true because Brown-Sequard syndrome actually presents with contralateral spinothalamic deficits, meaning that the loss of pain and temperature sensation occurs on the opposite side of the body from the lesion.Rate this question:
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Mar 21, 2023Quiz Edited by
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May 18, 2012Quiz Created by
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