The client is a 51-year-old male with pneumonia.
The client has a history of hypertension and takes enalapril and a multivitamin daily.
His surgical history includes adenoid removal at age 4-years and a surgical repair of a fractured tibia at age 20. According to the client’s vital signs, he is experiencing which condition?
Hypothermia.
Tachypnea.
Hypotension.
Hypertension.
The Correct Answer is B
Choice A rationale:
Hypothermia is a condition in which the body's core temperature falls below 95°F (35°C). It is not directly indicated by the client's vital signs as presented in the question.
Other factors that would more strongly suggest hypothermia include exposure to cold environments, immersion in cold water, or impaired thermoregulation due to conditions like hypothyroidism or alcohol intoxication.
Choice C rationale:
Hypotension is a condition in which blood pressure is abnormally low. It is also not directly indicated by the client's vital signs as presented in the question.
Hypertension, on the other hand, is a condition in which blood pressure is abnormally high.
The client's history of hypertension, and the fact that he takes enalapril (an antihypertensive medication), suggests that he may be more likely to experience hypertension than hypotension.
Choice D rationale:
Hypertension, as mentioned above, is a condition in which blood pressure is abnormally high.
While it's possible that the client is experiencing hypertension, the question specifically asks about the condition indicated by the client's vital signs.
Tachypnea, or rapid breathing, is a more direct indication of the client's respiratory distress, which is a common symptom of pneumonia.
Choice B rationale:
Tachypnea is the most likely condition indicated by the client's vital signs.
Tachypnea is often a sign of respiratory distress, which can be caused by a variety of conditions, including pneumonia. When a person has pneumonia, their lungs become inflamed and filled with fluid, making it difficult to breathe.
This can lead to rapid, shallow breathing, which is called tachypnea.
Other signs of respiratory distress that may be present in a client with pneumonia include: Coughing
Wheezing Chest pain
Feeling short of breath
Use of accessory muscles to breathe (e.g., muscles in the neck and chest) Nasal flaring
Cyanosis (a bluish tint to the skin)
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice B rationale:
Isoniazid's Mechanism of Action:
It targets and inhibits the synthesis of mycolic acids, which are essential components of the cell wall of Mycobacterium tuberculosis, the bacteria that cause tuberculosis.
By disrupting cell wall formation, isoniazid prevents bacterial growth and multiplication, leading to the suppression and eventual eradication of the infection.
Clinical Manifestations of Active TB:
Persistent cough, often productive of sputum (phlegm), is a hallmark symptom of TB. The sputum may contain blood or have a rusty-colored appearance.
Other common symptoms include fever, night sweats, fatigue, weight loss, and chest pain. How Isoniazid Reduces Cough and Sputum:
As isoniazid effectively kills the TB bacteria, the inflammatory process within the lungs subsides.
This leads to a gradual decrease in the production of sputum, which is a direct result of the inflammatory response. Consequently, the frequency and severity of coughing episodes also diminish.
Monitoring Treatment Response:
Regular sputum smears and cultures are essential to assess the response to treatment.
A positive sputum smear indicates the presence of live TB bacteria, while a positive culture confirms their growth in the laboratory.
A gradual decrease in the number of bacteria seen on sputum smears, followed by negative cultures, signals a favorable response to treatment.
Timeframe for Improvement:
It's important to note that clinical improvement, including a reduction in cough and sputum, may not be immediately evident. It typically takes several weeks of consistent isoniazid therapy to achieve noticeable results.
Therefore, adherence to the prescribed treatment regimen is crucial for successful TB eradication. Addressing Other Choices:
Choice A: Decreased appetite and weight loss are often associated with active TB due to systemic inflammation and nutritional deficiencies. While isoniazid treatment may indirectly improve appetite and weight gain over time, these are not primary indicators of its effectiveness in suppressing the TB infection itself.
Choice C: Vertigo and tinnitus are potential side effects of isoniazid, but they do not reflect its efficacy in treating TB.
Choice D: A positive sputum smear and culture would indicate ongoing TB infection and a lack of response to treatment.
Correct Answer is A
Explanation
Choice A rationale:
Lactulose directly addresses the primary cause of hepatic encephalopathy, which is the accumulation of ammonia in the blood. Ammonia is a neurotoxin that can impair brain function, leading to confusion, lethargy, and even coma. Lactulose works by trapping ammonia in the colon, where it can be safely excreted in the stool. This decrease in ammonia levels in the blood allows for the improvement of mental status.
Studies have consistently shown that lactulose therapy can significantly improve mental function in patients with hepatic encephalopathy. This improvement is often seen within a few days of starting treatment.
The nurse should assess the client's mental status regularly to monitor for improvement. This assessment should include evaluating the client's level of consciousness, orientation, attention, memory, and speech.
Improved mental status is a critical therapeutic goal in the treatment of hepatic encephalopathy. It allows patients to regain their independence and participate more fully in their care.
Choice B rationale:
While lactulose can cause diarrhea, which may lead to a slight increase in urine output, this is not the primary therapeutic response that the nurse should expect.
The increase in urine output is typically secondary to the diarrhea and does not directly reflect a reduction in ammonia levels or improvement in mental status.
Choice C rationale:
Lactulose does cause diarrhea, which is a common side effect of the medication.
However, the goal of lactulose therapy is not to reduce the number of liquid stools but rather to trap ammonia in the colon and promote its excretion.
The nurse should monitor the client's stool frequency and consistency to ensure that they are not experiencing excessive diarrhea, which could lead to dehydration and electrolyte imbalances.
Choice D rationale:
While improved mental status may eventually lead to improved mobility, it is not the most immediate or direct therapeutic response that the nurse should expect from lactulose therapy.
The ability to ambulate independently is more likely to be a long-term goal of treatment, rather than an immediate response to lactulose.
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