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

Answer and Explanation

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.

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Correct Answer is C

Explanation

A. In iron deficiency anemia, serum iron levels are typically low due to a deficiency in iron. Additionally, the Mean Corpuscular Volume (MCV) is often low because the red blood cells produced are smaller than normal (microcytic).
B. Similar to option A, serum iron levels in iron deficiency anemia would be low, not high. The MCV may be low or normal, but it would not be high due to the production of microcytic red blood cells.
C. In iron deficiency anemia, TIBC is usually high because the body is trying to maximize iron transport in response to low iron levels. Serum iron is low, and the MCV is low due to the production of smaller red blood cells.
D. This option is incorrect because option C accurately describes the expected lab results in iron deficiency anemia.

A. Show expected changes in white blood cell counts. B. Skin tests for tuberculosis may be falsely negative. C. Should receive influenza, pneumococcal, and shingles vaccinations. D. Higher risk for respiratory tract and genitourinary infections. E. Booster vaccinations are not likely needed as one ages. F. May not have a fever with severe infection.

Correct Answer is ["B","C","D","F"]

Explanation

A. Aging can lead to changes in immune function, including alterations in white blood cell counts. While absolute counts may not be drastically lower, the immune response may be less effective. This is important information as it helps the patient understand their altered immune status and potential infection risks.
B. Older adults may have a diminished immune response, which can lead to false-negative results in tuberculosis skin tests (e.g., PPD test). This is crucial information, as it can affect diagnosis and treatment decisions, highlighting the need for alternative screening methods.
C. Vaccinations are critical for older adults to help prevent infections. Influenza, pneumococcal, and shingles vaccines can significantly reduce the risk of these infections, which are more severe in the elderly. This is an essential component of their health maintenance.
D. Older adults are at increased risk for respiratory tract infections (like pneumonia) and genitourinary infections (like urinary tract infections) due to factors such as comorbidities and changes in immune function. Educating clients about these risks helps them recognize symptoms and seek timely care.
E. Older adults often require booster vaccinations to maintain immunity, as their immune response may diminish over time. This misinformation could lead to increased susceptibility to vaccine-preventable diseases.
F. It is common for elderly individuals to present with atypical signs of infection, including the absence of fever even in severe cases. This is important for both the patient and caregivers to understand, as it may lead to delayed recognition and treatment of infections.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Your patient has Iron deficiency anemia because of their pica. Which of the following lab results is EXPECTED in this condition?

Correct Answer is C

Explanation

The nurse is teaching an elderly client the risks of infection for older adults. Which of the following factors would the nurse include in the education? (Select all that apply.)

Correct Answer is ["B","C","D","F"]

Explanation

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The nurse is teaching an elderly client the risks of infection for older adults. Which of the following factors would the nurse include in the education? (Select all that apply.)

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?

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