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Questions and Answers
What is the primary function of the medulla oblongata?
What is the primary function of the medulla oblongata?
- Transmits sensory information to the cerebral cortex
- Regulates balance
- Relays information between spinal cord and brain (correct)
- Influences body temperature
Which structure is responsible for regulating sleep-wake cycles?
Which structure is responsible for regulating sleep-wake cycles?
- Reticular formation (correct)
- Cerebellum
- Hypothalamus
- Thalamus
Where is the hypothalamus located in relation to the thalamus?
Where is the hypothalamus located in relation to the thalamus?
- To the side of the thalamus
- Directly in front of the thalamus
- Above the thalamus (correct)
- Below the thalamus
What primary role does the cerebellum serve?
What primary role does the cerebellum serve?
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Which function is primarily regulated by the hypothalamus?
Which function is primarily regulated by the hypothalamus?
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What does the thalamus do with sensory information?
What does the thalamus do with sensory information?
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Study Notes
Hind Brain
- Located at the base and back of the brain
- Contains the medulla oblongata and cerebellum
- Medulla oblongata
- Found at the bottom of the brainstem
- Responsible for relaying information between the spinal cord and the brain
- Controls vital functions like breathing and heart rate
- Cerebellum
- A convoluted structure located at the back of the brain
- Plays a crucial role in maintaining balance and judging distances
- Situated beneath the cerebrum
Mid Brain
- Contains the reticular formation
- Reticular formation
- A network of nuclei distributed throughout the brainstem
- Involved in regulating the sleep-wake cycle
- Helps maintain wakefulness and alertness
Fore Brain
- Includes the hypothalamus, thalamus, and cerebrum
- Hypothalamus
- Located above the thalamus
- Influences basic drives such as eating, body temperature, and sexual behavior
- Controls the release of hormones from the pituitary gland
- Thalamus
- A double-lobed structure positioned above the brainstem
- Receives sensory information (except smell)
- Transmits this information to the cerebral cortex
- Cerebrum
- Divided into two cerebral hemispheres
- Responsible for higher-order cognitive processes such as language, memory, and reasoning
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