After receiving a vaccination for a communicable disease, the patient was asked to return in 2 to 3 weeks to get an antibody titer and asks why blood testing can’t be done immediately. How should the RN (registered nurse) respond?
It takes about 14 days to develop antibodies and immunity to the disease after vaccine administration.
The laboratory ran out of blood specimen tubes and is unable to perform the test today.
It takes about 14 days to develop antigens and immunity to the disease after vaccine administration.
After receiving the vaccine, you might transmit the communicable disease to the laboratory.
The Correct Answer is A
Choice A rationale
It takes about 14 days to develop antibodies and immunity to the disease after vaccine administration. This is why the patient is asked to return in 2 to 3 weeks for an antibody titer. The immune system needs time to respond to the vaccine and produce detectable levels of antibodies.
Choice B rationale
The laboratory running out of blood specimen tubes is not a valid reason for delaying the antibody titer. This choice does not provide an accurate explanation for the patient.
Choice C rationale
It takes about 14 days to develop antibodies, not antigens, and immunity to the disease after vaccine administration. This choice contains incorrect information about the immune response.
Choice D rationale
After receiving the vaccine, the patient is not likely to transmit the communicable disease to the laboratory. This choice does not provide a valid reason for delaying the antibody titer.
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Correct Answer is A
Explanation
Choice A rationale
A respiratory rate of 28 breaths per minute indicates tachypnea, which is a sign of respiratory distress. Immediate intervention is needed to address the underlying cause and prevent further deterioration of the patient’s condition.
Choice B rationale
A temperature of 38°C (100.4°F) indicates a fever, which may suggest an infection. While this requires medical attention, it is not as immediately critical as respiratory distress.
Choice C rationale
A blood pressure of 140/90 mmHg is considered high, but it does not indicate an immediate need for intervention in the context of COPD. Hypertension should be managed, but it is not an acute emergency.
Choice D rationale
A heart rate of 90 beats per minute is within the normal range and does not indicate an immediate need for intervention. Monitoring the patient’s heart rate is important, but it is not an urgent concern in this scenario.
Correct Answer is B
Explanation
Choice A rationale
Decreasing the secretion of thyroid stimulating hormone (TSH) by the pituitary gland is not a compensatory response to fluid volume deficit. TSH primarily regulates thyroid function and metabolism, and its secretion is not directly related to fluid balance or osmolality.
Choice B rationale
Increasing renin-angiotensin-aldosterone system (RAAS) activity by the kidneys is the body’s primary compensatory response to fluid volume deficit. When there is a decrease in blood volume or blood pressure, the kidneys release renin, which activates the RAAS. This system increases the reabsorption of sodium and water in the kidneys, leading to an increase in blood volume and blood pressure.
Choice C rationale
Decreasing the secretion of cortisol by the adrenal gland is not a compensatory response to fluid volume deficit. Cortisol is a stress hormone that helps regulate metabolism, immune response, and other functions, but it is not directly involved in fluid balance.
Choice D rationale
Increasing the secretion of natriuretic peptides by the heart is a response to fluid overload, not fluid deficit. Natriuretic peptides promote the excretion of sodium and water by the kidneys, which helps reduce blood volume and pressure. This response is opposite to what is needed in a fluid volume deficit situation.