Blood and fluid loss from frequent diarrhea may cause hypovolemia and you can quickly assess volume depletion in Miss CC by:

Correct Answer: C

Rationale: The correct answer is C: Comparing the patient’s present weight with her last weight. This is the most direct and reliable method to assess volume depletion due to fluid loss. By comparing the patient's current weight with her last weight, you can easily determine if there has been a significant decrease in weight indicating fluid loss and potential hypovolemia. Explanation of why other choices are incorrect: A: Measuring the quantity and specific gravity of her urine output - This method may provide some information about hydration status, but it is not as direct or reliable as comparing weight changes. B: Taking her blood pressure - While blood pressure can indicate hypovolemia, it may not provide immediate insight into volume depletion caused by diarrhea. D: Administering the oral water test - This test is not commonly used to assess volume depletion and may not be as effective or quick as comparing weight changes.

Correct Answer: B

Rationale: The correct answer is B. The nurse should explain that zidovudine (AZT) works by blocking reverse transcriptase, the enzyme necessary for HIV replication. This is the key mechanism of action for AZT in managing HIV. Choice A is incorrect because it provides a partial truth - it does slow the disease process but does not provide the mechanism of action. Choice C is incorrect as it provides incorrect information that there are no medications to stop or cure HIV, which is not true. Choice D is incorrect as it provides misleading information about the drug becoming immune to HIV, which is not the primary concern in this context.

Correct Answer: D

Rationale: The correct answer is D: vasopressin (Pitressin). In diabetes insipidus, there is a deficiency of antidiuretic hormone (ADH), which leads to excessive urination and thirst. Vasopressin is a synthetic form of ADH that helps regulate water balance by reducing urine output. Therefore, administering vasopressin would help manage the symptoms of diabetes insipidus. Insulin (A) is used for diabetes mellitus, not diabetes insipidus. Potassium chloride (B) is used to correct potassium imbalances, not specific to diabetes insipidus. Furosemide (Lasix) (C) is a diuretic that increases urine output, which would worsen the symptoms of diabetes insipidus.

Correct Answer: D

Rationale: The correct answer is D - Check for a gag reflex before allowing the patient to drink. This is important after a bronchoscopy to prevent aspiration. Step 1: Assessing gag reflex ensures the patient can protect their airway. Step 2: Aspiration risk is high post-bronchoscopy due to sedation and possible throat numbness. Step 3: Allowing fluids without confirming gag reflex can lead to aspiration pneumonia. Other choices are incorrect. A: Ordering a meal immediately is inappropriate after NPO period. B: Encouraging fluids without assessing gag reflex may lead to aspiration. C: Monitoring consciousness is important but not directly related to post-bronchoscopy care.

Correct Answer: C

Rationale: The correct answer is C: Hemoptysis. In the later stages of TB, the infection can lead to damage in the lungs, causing blood to be coughed up (hemoptysis). This is a serious symptom indicating advanced disease progression. Fatigue (A), anorexia (B), and weight loss (D) are common symptoms of TB but can occur in earlier stages as well. Hemoptysis specifically indicates more severe lung involvement, making it characteristic of later stages.

Correct Answer: B

Rationale: The correct answer is B: 17 drops per minute. To calculate the correct drip rate, you need to use the formula: (Volume to be infused in mL / Time in minutes) x Drop factor. In this case, if the volume to be infused is 100 mL and the time is 60 minutes with a drop factor of 20, the calculation would be: (100 / 60) x 20 = 33.33 drops per minute. Since we cannot deliver fractional drops, the closest whole number is 17 drops per minute. This ensures the correct delivery rate for the medication. Choice A (6 drops per minute) is incorrect as it would be too slow and may not deliver the medication effectively. Choice C (50 drops per minute) and Choice D (100 drops per minute) are incorrect as they would both deliver the medication too quickly, potentially causing harm to the patient. The correct answer, 17 drops per minute, ensures a safe and accurate delivery rate

Correct Answer: A

Rationale: The correct answer is A: Balance. Loss of ability in balance can indicate neurological, musculoskeletal, or sensory issues affecting mobility. Speech (B) is related to communication, judgment (C) to decision-making, and endurance (D) to stamina, not specifically to loss of ability. Balance is crucial for mobility and overall function, making it a priority area for assessment in healthcare settings.

Correct Answer: A

Rationale: The correct answer is A: Neutrophil. Neutrophils are the most numerous type of WBC, typically comprising 50-70% of total WBC count. They are key players in the body's immune response, phagocytizing pathogens. Basophils, eosinophils, and lymphocytes are less numerous than neutrophils. Basophils are involved in allergic reactions, eosinophils combat parasitic infections, and lymphocytes play a critical role in adaptive immunity. However, in terms of sheer numbers, neutrophils outnumber the other types of WBC.

Correct Answer: B

Rationale: The correct answer is B (4 hours) because parenteral ampicillin should be administered within 1 hour of mixing. This is crucial to ensure efficacy and prevent bacterial growth in the solution. Choice A (1 hour) is incorrect because it does not allow enough time for administration after mixing. Choice C (2 hours) is also incorrect as it exceeds the recommended time limit. Choice D (8 hours) is incorrect as it exceeds the safe window for administration post-mixing, increasing the risk of bacterial contamination and reduced effectiveness. Thus, the optimal timeframe for administering parenteral ampicillin after mixing is within 4 hours to maintain its therapeutic benefits.