Multiple Choice
A physician friend tells you about a patient with a head injury who suddenly stopped breathing during an examination. What portion of the brain was probably injured?
45. Nervous System
Central and Peripheral Nervous System
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The main input center for sensory information going to the cerebrum is the __________.
A
cerebrum
B
cerebellum
C
pons
D
medulla oblongata
E
thalamus
Verified step by step guidance1
Understand the role of the thalamus in the brain: The thalamus acts as the main relay station for sensory information that is sent to the cerebral cortex. It processes and transmits sensory data from various parts of the body to the appropriate areas of the cerebrum.
Identify the function of the cerebrum: The cerebrum is responsible for higher brain functions, including sensory perception, voluntary motor actions, reasoning, and memory. It receives processed sensory information from the thalamus.
Differentiate the roles of other brain structures: The cerebellum is involved in coordination and balance, the pons is part of the brainstem that links the medulla oblongata and the thalamus, and the medulla oblongata controls autonomic functions such as breathing and heart rate.
Recognize that the thalamus is not listed as an option in the problem, but it is the correct answer based on its function as the main input center for sensory information to the cerebrum.
Conclude that the thalamus is the correct answer by understanding its critical role in sensory information processing and its connection to the cerebrum, despite it not being one of the options provided in the problem.
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