Your patient has Iron deficiency anemia because of their pica. Which of the following lab results is EXPECTED in this condition?
High serum Iron and Low MCV
High serum Iron and Mean Corpuscular Volume (MCV)
High Total Iron Binding Capacity: Low serum Iron and MCV
None of the above
The Correct Answer is C
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
A. This is primarily associated with Systemic Lupus Erythematosus (SLE), not Rheumatoid Arthritis. While some RA patients may have skin changes, a malar rash is not a typical manifestation of RA.
B. Morning stiffness is a hallmark symptom of Rheumatoid Arthritis. Patients often experience stiffness in their joints after periods of inactivity, particularly in the morning, which typically lasts for at least 30 minutes and can improve with movement.
C. Swan neck deformities are specific joint deformities seen in RA, where there is hyperextension of the proximal interphalangeal joints and flexion of the distal interphalangeal joints. This is a common feature in advanced cases of RA.
D. : RA typically presents with symmetrical joint involvement. This means that if one side is affected, the opposite side is likely to be similarly affected, leading to bilateral joint deformities.
E. While joint pain can occur at rest, RA is more characterized by pain and stiffness during periods of inactivity and improvement with movement. However, as the disease progresses, patients may experience pain even at rest.
Correct Answer is B
Explanation
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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