A client presents to the emergency department complaining of headaches and blurred vision. The client's vital signs are as follows, Pulse 102 beats/minute, BP 172/92. RR 20 breaths/minute, SpO2.97% on room air temperature of 98.64. Which of the following interventions would be most appropriate for this patient?

Administer IV hydralazine and monitor blood pressure

Administer oxygen at 10 liters/minute by non rebreather mask

Administer acetaminophen 650 mg PO re-check temperature

Infuse 0.9% sodium chioride at 120 mL/hour

Answer and Explanation

The Correct Answer is A

A) "Administer IV hydralazine and monitor blood pressure":
. The patient's elevated blood pressure (172/92 mmHg), along with headaches and blurred vision, could indicate a hypertensive emergency, a serious condition where extremely high blood pressure can cause acute organ damage. Hydralazine is a common intravenous antihypertensive medication used to lower blood pressure quickly in these situations. The nurse should administer hydralazine as prescribed and closely monitor the blood pressure to prevent complications like stroke, heart failure, or kidney damage. Blood pressure management is the priority, as the patient's symptoms are likely related to the elevated BP.

B) "Administer oxygen at 10 liters/minute by non-rebreather mask":
. While oxygen therapy may be appropriate for patients with respiratory distress or hypoxia, the patient's SpO2 is 97% on room air, indicating that there is no immediate oxygenation issue. Administering oxygen unnecessarily could lead to oxygen toxicity, and it is not the priority in this case. The patient's main concern is their elevated blood pressure, which requires urgent management.

C) "Administer acetaminophen 650 mg PO re-check temperature":
. While headaches are one of the patient's complaints, there is no indication of fever (the temperature is 98.6°F). Administering acetaminophen would be appropriate for pain relief, but it is not the priority in this case. The elevated blood pressure and potential hypertensive emergency are the primary issues that need to be addressed first.

D) "Infuse 0.9% sodium chloride at 120 mL/hour":
. Normal saline (0.9% sodium chloride) is typically used for hydration, but there is no indication that the patient is dehydrated or that intravenous fluids are the priority. In cases of hypertensive emergency, the goal is to lower blood pressure using antihypertensive medications, not to infuse fluids. Fluid administration could potentially worsen the situation if the elevated blood pressure is not addressed first.

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Correct Answer is B

Explanation

A. Pernicious anemia:
Pernicious anemia is primarily caused by a deficiency in vitamin B12, often due to a lack of intrinsic factor needed for absorption in the gut. It typically presents with symptoms like weakness, fatigue, and neurological manifestations such as numbness or tingling. However, the client’s presentation does not suggest a vitamin B12 deficiency or neurological signs. Additionally, pernicious anemia is not typically associated with heavy menstrual periods,
which are more indicative of blood loss anemia.

B. Blood loss anemia:
Blood loss anemia is the most likely diagnosis in this case, especially in the context of heavy menstrual periods, which can cause significant blood loss over time. The client’s hemoglobin level of 6.9 g/dL indicates severe anemia, which is consistent with the cumulative effects of chronic blood loss. This type of anemia results from a decrease in red blood cell count due to bleeding, which can lead to symptoms like weakness, fatigue, and pallor.

C. Sickle cell anemia:
Sickle cell anemia is a genetic condition characterized by abnormally shaped red blood cells, which can lead to hemolysis and episodes of pain. While it can cause symptoms like fatigue and weakness, sickle cell anemia typically presents earlier in life and is more associated with episodes of severe pain and organ damage. Additionally, the patient’s history does not mention episodes of pain or other hallmark signs of sickle cell disease, such as swelling in the hands or feet or recurrent infections.

D. Aplastic anemia:
Aplastic anemia occurs when the bone marrow fails to produce enough blood cells, including red blood cells, white blood cells, and platelets. It presents with symptoms like weakness, fatigue, frequent infections, and bruising. Although this client does have anemia, the lack of additional signs (such as petechiae, infections, or bleeding) makes this diagnosis less likely. Aplastic anemia is also usually diagnosed with bone marrow biopsy, which is not suggested by this client's presentation.

A. Hemoglobin and hematocrit count B. CD4+ count cell C. Western blot D. Enzyme-linked immunosorbent assay (ELISA)

Correct Answer is B

Explanation

A. Hemoglobin and hematocrit count:
Hemoglobin and hematocrit levels are useful in assessing overall blood volume and oxygen-carrying capacity. While these tests can help identify anemia or other hematologic abnormalities that might occur in HIV-infected individuals, they do not provide specific information regarding the stage of HIV infection or the immune function. Therefore, they are not the most helpful for determining the stage of the disease.

B. CD4+ count cell:
The CD4+ count is the most important laboratory test for assessing the progression of HIV. CD4+ T cells are critical components of the immune system, and their count reflects the level of immune suppression in the body. As HIV progresses, the CD4+ count decreases, making the individual more vulnerable to opportunistic infections. A low CD4+ count (typically below 200 cells/mm³) indicates that the individual has progressed to acquired immunodeficiency syndrome (AIDS). Therefore, the CD4+ count provides the most direct insight into the stage of HIV infection.

C. Western blot:
The Western blot test is used to confirm an HIV diagnosis after an initial positive screening test, such as the ELISA. It is not used to assess the stage of the disease. While it helps to confirm the presence of HIV antibodies, it does not provide information about immune function or the progression of the disease.

D. Enzyme-linked immunosorbent assay (ELISA):
The ELISA is a screening test used to detect antibodies against HIV. If the ELISA test is positive, it is usually followed by a confirmatory test (such as the Western blot). While ELISA is important for diagnosing HIV infection, it does not provide information about the current stage or progression of the disease. Therefore, it is not the most helpful test for assessing the stage of HIV infection once the diagnosis is established.

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Correct Answer is B

Explanation

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Correct Answer is B

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