A nurse is educating a client who has HIV about the infection process. Which of the following features of the virus should the nurse explain can result in opportunistic infection?
Conversion of the virus's RNA into DNA
Having reverse transcriptase enzyme
Containing only a single strand of genetic material
Ability to target and destroy CD4 lymphocytes
The Correct Answer is D
A. The conversion of RNA into DNA is a critical step in the HIV lifecycle, but it does not directly lead to opportunistic infections; instead, it allows the virus to integrate into the host’s genome.
B. Having reverse transcriptase enzyme is a characteristic of retroviruses like HIV that facilitates replication, but it does not cause opportunistic infections directly.
C. HIV containing a single strand of genetic material is a feature of its classification as a retrovirus but is not related to the risk of opportunistic infections.
D. The ability of HIV to target and destroy CD4 lymphocytes is the key reason for opportunistic infections. CD4 cells are crucial for the immune response, and their depletion leads to immunosuppression, making the client susceptible to infections that would not typically affect an individual with a healthy immune system.
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Correct Answer is B
Explanation
A. Flushing of the skin is not typical in hypovolemic shock; rather, the skin is usually cool and clammy due to vasoconstriction.
B. Oliguria, or decreased urine output, is expected in hypovolemic shock as the kidneys receive less blood flow, leading to reduced urine production.
C. Bradypnea is not a common finding in hypovolemic shock; instead, tachypnea (increased respiratory rate) is typically observed due to compensatory mechanisms for hypoxia and acidosis.
D. Hypertension is not expected in hypovolemic shock; instead, the client typically presents with hypotension due to decreased blood volume and pressure.
Correct Answer is C
Explanation
A. Obstructive shock occurs when blood flow is physically obstructed, such as in cases of pulmonary embolism or cardiac tamponade, which is not indicated here as the cause is blood loss.
B. Septic shock is related to infection and systemic inflammatory response, not directly caused by blood loss.
C. Hypovolemic shock is caused by a significant loss of blood volume, leading to decreased blood pressure, which directly relates to the client losing 800 mL of blood during surgery. This condition results in inadequate perfusion and oxygen delivery to tissues.
D. Neurogenic shock results from spinal cord injuries leading to vasodilation and bradycardia, which is not applicable to this scenario.