Nursing Elites

1. What are the major electrolytes in the extracellular fluid?

• A. potassium and chloride
• B. potassium and phosphate
• C. sodium and chloride
• D. sodium and phosphate

Correct answer: C

Rationale: The correct answer is sodium and chloride. These two electrolytes are the major components of extracellular fluid. Potassium and phosphate (Choice B) are not the major electrolytes in the extracellular fluid. Potassium is primarily an intracellular ion, and phosphate is more abundant in the intracellular fluid and bones. Sodium and phosphate (Choice D) are also not the major electrolytes in the extracellular fluid. Chloride plays a crucial role in maintaining electrolyte balance and is predominantly found in extracellular fluid alongside sodium.

2. Which sexually transmitted disease, sometimes referred to as the silent STD, is more common than gonorrhea and a leading cause of PID?

• A. Genital herpes.
• B. Trichomoniasis.
• C. Syphilis.
• D. Chlamydia.

Correct answer: D

Rationale: The correct answer is Chlamydia. Chlamydia is a common sexually transmitted infection that can often be asymptomatic, earning it the nickname 'silent STD.' It is more common than gonorrhea and is a leading cause of Pelvic Inflammatory Disease (PID). Genital herpes (Choice A) is a viral infection, not a bacterial STD like chlamydia. Trichomoniasis (Choice B) is a parasitic infection and not commonly associated with causing PID. Syphilis (Choice C) is a bacterial infection but is not as common as chlamydia and is not a leading cause of PID.

3. Which of the following medications is a serotonin antagonist that might be used to relieve nausea and vomiting?

• A. metoclopramide (Reglan)
• B. ondansetron (Zofran)
• C. hydroxyzine (Vistaril)
• D. prochlorperazine (Compazine)

Correct answer: B

Rationale: Zofran is a serotonin antagonist that can be used to relieve nausea and vomiting. Ondansetron (Zofran) works by blocking serotonin receptors in the chemoreceptor trigger zone (CTZ) and the gastrointestinal tract. This action helps reduce nausea and vomiting. Metoclopramide (Reglan) works as a dopamine antagonist and also has prokinetic effects, making it effective for different conditions. Hydroxyzine (Vistaril) is an antihistamine with antiemetic properties, but it does not act as a serotonin antagonist. Prochlorperazine (Compazine) is a dopamine antagonist that is also used to treat nausea and vomiting, but not as a serotonin antagonist like ondansetron.

4. A pregnant Asian client who is experiencing morning sickness wants to take ginger to relieve the nausea. Which of the following responses by the nurse is appropriate?

• A. "I will call your physician to see if we can start some ginger."?
• B. "We don't use home remedies in this clinic."?
• C. "Herbs are not as effective as regular medicines."?
• D. "Just eat some dry crackers instead."?

Correct answer: A

Rationale: The correct response is appropriate as it demonstrates cultural sensitivity. Ginger is commonly used to alleviate nausea, particularly in Asian cultures. Contacting the physician to discuss the use of ginger ensures the client's safety and respects their preferences. Choices B and C are incorrect as they disregard the client's request and fail to acknowledge their cultural beliefs. Choice D is incorrect because it does not address the client's desire to use ginger for relief.

5. Chemotherapeutic agents often produce a degree of myelosuppression including leukopenia. Leukopenia does not present immediately but is delayed several days or weeks because:

• A. the client's hemoglobin and hematocrit are normal.
• B. red blood cells are affected first.
• C. folic acid levels are normal.
• D. the current white cell count is not affected by chemotherapy.

Correct answer: D

Rationale: Leukopenia does not present immediately after chemotherapy because time is required to clear circulating cells before the effect on precursor cell maturation in the bone marrow becomes evident. Leukopenia is characterized by an abnormally low white blood cell count. The correct answer is D because the white cell count is not immediately affected by chemotherapy. Choices A, B, and C are incorrect as they pertain to red blood cells (hemoglobin and hematocrit), which are not directly related to the delayed onset of leukopenia.

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