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.

Answer and Explanation

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.

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Correct Answer is C

Explanation

Choice A rationale

The largest area of the body without hair is not selected as it is not necessary for the graft to be hairless. The primary concern is matching the color and texture, not the absence of hair.

Choice B rationale

Any area that is not normally visible is not ideal as visibility is not the primary concern. The donor site needs to match the surgical site in color and texture to ensure a natural appearance.

Choice C rationale

An area matching the color and texture of the skin at the surgical site is selected to ensure the graft blends well with the surrounding skin and appears natural once healed.

Choice D rationale

An area matching the sensory capability of the skin at the surgical site is not typically a concern in graft selection. The focus is on the appearance and integration of the graft.

A. Swallowing. B. Smelling. C. Chewing. D. Tasting. E. Tasting.

Correct Answer is C

Explanation

Choice A rationale

Swallowing involves the glossopharyngeal and vagus nerves, not the trigeminal nerve. Thus, trigeminal neuralgia does not typically affect swallowing.

Choice B rationale

Smelling involves the olfactory nerve (cranial nerve I), not the trigeminal nerve (cranial nerve V). Therefore, trigeminal neuralgia does not affect the sense of smell.

Choice C rationale

Trigeminal neuralgia involves the trigeminal nerve, which is responsible for sensation in the face and motor functions such as biting and chewing. Therefore, chewing can be significantly affected.

Choice D rationale

Tasting involves the facial nerve (cranial nerve VII) and glossopharyngeal nerve (cranial nerve IX), not the trigeminal nerve. Thus, trigeminal neuralgia does not typically affect taste.

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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?

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Correct Answer is C

Explanation

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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?