The medical team believes that your patient has been suffering from a severe Viral infection, and has ordered blood to be drawn for laboratory analysis. You know that which of the following types of white blood cells is MOST associated with a Viral illness?
Neutrophils
Lymphocytes
Basophils
Eosinophils
The Correct Answer is B
A. Neutrophils are the most abundant type of WBC and are primarily involved in responding to bacterial infections. While they may increase during a viral infection, their primary function is to combat bacteria and fungi. Therefore, they are not the most specific indicator of viral illnesses.
B. Lymphocytes, which include T cells and B cells, are the most directly associated with viral infections. They play a crucial role in the adaptive immune response, recognizing and responding to viral pathogens. A significant increase in lymphocytes, particularly T cells, is commonly seen during viral infections.
C. Basophils are involved in allergic reactions and responses to parasites, releasing histamine and other mediators. They are not significantly involved in the response to viral infections and typically do not show a notable increase in these situations.
D. Eosinophils primarily respond to parasitic infections and allergic reactions. While they may be elevated in some allergic conditions and certain parasitic infections, they are not directly involved in the immune response to viral infections.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D","E"]
Explanation
A. A positive pressure room helps prevent outside air (and potential pathogens) from entering the room, providing a safer environment for neutropenic patients.
B. Visitors can introduce infections, so it’s wise to restrict them, especially those who are ill or have been exposed to infectious diseases.
C. Negative pressure rooms are used for patients with airborne infections (like tuberculosis) to prevent pathogens from escaping the room. Neutropenic patients require a protected environment, not one that allows outside air to flow in.
D. Live plants and unwashed fruits can harbor bacteria and fungi that pose a risk to neutropenic patients, who have compromised immune systems.
E. Hand hygiene is one of the most effective ways to prevent the spread of infections. Everyone entering the room should wash their hands to minimize the risk of introducing pathogens.
Correct Answer is C
Explanation
A. This medication is used primarily to relieve urinary tract discomfort and does not have any role in preventing peripheral neuropathy associated with INH. It is not relevant in this context.
B. Phentolamine is an alpha-adrenergic antagonist used to treat hypertension and manage pheochromocytoma. It has no association with preventing peripheral neuropathy related to INH and is not appropriate for this patient.
C. Isoniazid can cause peripheral neuropathy by interfering with the metabolism of pyridoxine (Vitamin B6). Administering pyridoxine can help prevent this side effect by replenishing the vitamin and supporting nerve health.
D. Pyrazinamide is another anti-tuberculosis medication that works alongside INH. While it is effective for tuberculosis, it does not prevent peripheral neuropathy and may even have its own side effects.
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