A client who has suffered a stroke is unable to maintain respiration and is intubated and placed on mechanical ventilator support.
What portion of the brain is most likely responsible for the inability to breathe?
Brain stem.
Parietal lobe.
Occipital lobe.
Frontal lobe.
The Correct Answer is A
Choice A rationale
The brain stem controls vital functions, including respiration. Damage to the brain stem, especially the medulla oblongata, can impair respiratory control, leading to the need for mechanical ventilation.
Choice B rationale
The parietal lobe is responsible for sensory processing and does not directly influence respiratory functions. Damage here would more likely affect sensation and spatial awareness.
Choice C rationale
The occipital lobe is primarily responsible for visual processing. Injury to this area would result in visual deficits rather than impaired respiration.
Choice D rationale
The frontal lobe is involved in cognitive functions, voluntary movement, and speech production, but it does not control respiration. Damage here would affect higher cognitive functions and motor planning.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
The Romberg test does not assess motor ability. Motor ability tests typically involve assessing muscle strength, coordination, and movement.
Choice B rationale
The Romberg test is used to assess balance. It evaluates the client's ability to maintain a steady position with eyes closed, indicating the integrity of the proprioceptive and vestibular systems.
Choice C rationale
The Romberg test does involve coordination, but its primary focus is on balance rather than coordination alone. Coordination tests usually involve tasks requiring fine motor control.
Choice D rationale
The Romberg test does not assess muscle strength. Muscle strength tests involve evaluating the force generated by muscles during contraction.
Correct Answer is B
Explanation
Choice A rationale
Irregular bones have complex shapes that do not fit into the other categories (long, short, or flat bones). They include bones such as the vertebrae and facial bones, which have specialized functions but are not primarily responsible for protecting vital organs.
Choice B rationale
Flat bones, such as the sternum, ribs, and skull bones, are designed to protect vital organs. They provide broad surfaces for muscle attachment and serve as protective barriers for organs like the brain, heart, and lungs.
Choice C rationale
Long bones, such as the femur and humerus, are primarily responsible for supporting the weight of the body and facilitating movement. While they contribute to the overall structure of the body, they are not specifically designed for organ protection.
Choice D rationale
Short bones, such as the carpals and tarsals, provide support and stability with limited movement. They are not primarily involved in the protection of vital organs.
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