A client with anemia asks the nurse, 'Do most people have the same number of red blood cells?' How does the nurse respond?

Correct Answer: B

Rationale: The correct answer is B because the number of red blood cells varies with gender, age, and general health. This response is accurate as it acknowledges the variability in red blood cell counts among individuals. Choice A is incorrect as it provides a definitive answer without considering the factors influencing red blood cell count. Choice C is incorrect because it gives a blanket statement that all people have the same number of red blood cells, which is not true. Choice D is incorrect as it incorrectly links anemia directly to the number of red blood cells without considering the broader context of red blood cell variability.

Correct Answer: B

Rationale: The correct answer is B: FALSE. Angular stomatitis/cheilosis is not a symptom specific to vitamin B12 deficiency. This condition is more commonly associated with deficiencies in iron, riboflavin, and niacin. Vitamin B12 deficiency typically presents with symptoms such as fatigue, weakness, pale skin, and neurological issues. Therefore, options A and C are incorrect as angular stomatitis/cheilosis is not sometimes or always a symptom of vitamin B12 deficiency. Option D is also incorrect as this condition can occur in individuals of all ages, not just children.

Correct Answer: C

Rationale: The correct answer is C: 1,4. Sildenafil inhibits phosphodiesterase type 5, leading to increased cAMP levels. Dipyridamole also inhibits phosphodiesterase, increasing cAMP. Ticlopidine and clopidogrel do not affect cAMP levels. Therefore, choices A, B, and D are incorrect because they include drugs that do not inhibit phosphodiesterase to increase cAMP.

Correct Answer: C

Rationale: Rationale: Absolute lymphocytosis with hepatomegaly or splenomegaly indicates an intermediate risk in Rai Staging System, which corresponds to Stage II. Hepatomegaly or splenomegaly alone would be Stage I, while lymphadenopathy alone would be Stage 0. Stage III in CLL prognosis involves anemia and/or thrombocytopenia along with lymphocytosis. Therefore, the correct answer is Stage II. Other choices are incorrect because they do not accurately reflect the specific combination of symptoms described in the question.

Correct Answer: D

Rationale: The correct answer is D: Eosinophils. Eosinophils are involved in allergic reactions due to their role in fighting parasitic infections and regulating inflammatory responses. During an allergic reaction, eosinophils increase in number to help combat the allergen. Lymphocytes (A) are involved in immune responses but are not specifically associated with allergic reactions. Neutrophils (B) are the most abundant type of white blood cells and are typically involved in bacterial infections, not allergic reactions. Monocytes (C) are involved in the immune response against pathogens but are not specifically related to allergic reactions. Eosinophils are the key players in allergic responses due to their specialized functions in combating allergens and modulating inflammation.