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Sec 6 Nervous System

QuestionAnswer
What percentage of the population has left hemisphere dominance for language-related activities? A. Less than 50% B. Approximately 75% C. Over 90% D. Exactly 85% Over 90%
Which structure connects the cerebral hemispheres? A. Medulla oblongata B. Corpus callosum C. Ventricles D. Choroid plexuses Corpus callosum
What is the primary function of cerebrospinal fluid? a) To transmit nerve signals b) To secrete hormones that regulate brain activity c) To protect organs by absorbing force d) regulate body temperature within the brain To protect organs by absorbing force
What are ventricles in the brain? A. Nerve fibers that connect different brain regions B. Specialized cells that produce neurotransmitters C. Blood vessels that supply oxygen to the brain D. Interconnected cavities containing cerebrospinal fluid Interconnected cavities containing cerebrospinal fluid
Which structures are responsible for secreting cerebrospinal fluid? A. Ventricles B. Choroid plexuses C. Corpus callosum D. Cerebral hemispheres Choroid plexuses
What is the primary function of the thalamus in the diencephalon? A. Regulating body temperature C. Serving as a relay center for sensory impulses D. Producing hormones that regulate metabolism Serving as a relay center for sensory impulses
Which of the following sensory information is NOT processed by the thalamus? A. Touch B. Pain C. Smell D. Temperature Smell
Which of the following is NOT a function regulated by the hypothalamus? A. Heart rate B. Water balance C. Long-term memory formation D. Body temperature Long-term memory formation
Which structure in the diencephalon is primarily responsible for controlling sleep and wakefulness? A. Thalamus B. Pineal gland C. Cerebral cortex D. Pituitary gland Thalamus
Which structure in the diencephalon is primarily responsible for controlling sleep and wakefulness? A. Thalamus B. Pineal gland C. Cerebral cortex D. Pituitary gland Thalamus
Which part of the brainstem contains centers for certain visual reflexes, such as moving the eyes when the head turns? A. Medulla oblongata B. Pons C. Midbrain D. Hypothalamus Midbrain
Which of the following functions is NOT controlled by the medulla oblongata? A. Cardiac center B. Respiratory center C. Vasomotor center D. Visual reflexes Visual reflexes
The pons has an important function in: A. Regulating the rate and depth of breathing B. Controlling blood pressure C. Initiating the vomiting reflex D. Controlling eye movements when the head turns Regulating the rate and depth of breathing
All ascending and descending nerve fibers connecting the brain and spinal cord must pass through which structure? A. Pons B. Midbrain C. Medulla oblongata D. Thalamus Medulla oblongata
What is the primary function of the reticular formation in the brain? a) Coordinating skeletal muscles b) activating the cerebral cortex c) controlling body temperature activating the cerebral cortex
What would be a likely result if the reticular formation was damaged? A. Loss of balance B. Memory loss C. Comatose state or deep unconsciousness D. Inability to regulate body temperature Comatose state or deep unconsciousness
The cerebellum is responsible for which of the following functions? A. Interpreting sensory information B. Storing long-term memories C. Regulating sleep-wake cycles D. Coordinating movement and balance Coordinating movement and balance
Which of the following structures does the reticular formation connect? A. Hypothalamus, cerebellum, cerebrum, and basal nuclei B. Thalamus, hippocampus, and amygdala C. Only the cerebellum and medulla D. Spinal cord, medulla, and pons Hypothalamus, cerebellum, cerebrum, and basal nuclei
What makes the reticular formation essential for normal brain function? A. It produces cerebrospinal fluid B. It regulates hormone production C. It enables the interpretation of sensory information D. It stores procedural memories It enables the interpretation of sensory information
Created by: tmcnu2
 

 



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