ATI RN
ATI Pathophysiology Exam 3
1. Which of the following describes the condition in the body of clients experiencing hypovolemia?
- A. Increased urine retention
- B. Insufficient circulating blood volume
- C. Bounding peripheral pulses
- D. Crackles auscultated in the lungs
Correct answer: B
Rationale: The correct answer is B: Insufficient circulating blood volume. Hypovolemia is a condition characterized by a decrease in the volume of blood plasma. This reduction in circulating blood volume can lead to inadequate perfusion of tissues and organs, potentially resulting in shock if left untreated. Choices A, C, and D are incorrect because increased urine retention, bounding peripheral pulses, and crackles auscultated in the lungs are not typical manifestations of hypovolemia.
2. Which of the following mediates humoral immunity?
- A. Natural killer cells
- B. T cells
- C. B cells
- D. Neutrophils
Correct answer: C
Rationale: Humoral immunity is mediated by B cells, not natural killer cells, T cells, or neutrophils. B cells are responsible for producing antibodies, which are essential components of humoral immunity.
3. A patient is prescribed medroxyprogesterone acetate (Provera) for the treatment of endometriosis. What key instruction should the nurse provide regarding the administration of this medication?
- A. Take the medication at the same time each day to maintain consistent hormone levels.
- B. Discontinue the medication if side effects occur.
- C. Take the medication with food to prevent gastrointestinal upset.
- D. Apply the medication once a week.
Correct answer: A
Rationale: The correct instruction for medroxyprogesterone acetate (Provera) is to take the medication at the same time each day to maintain consistent hormone levels and ensure its effectiveness. Choice B is incorrect because discontinuing the medication abruptly without consulting healthcare providers can be harmful. Choice C is incorrect as taking the medication with food is not necessary for this specific drug. Choice D is incorrect as medroxyprogesterone is typically taken orally, not applied topically.
4. A 1-year-old child will receive her scheduled MMR vaccination shortly. The nurse should teach the child's parents that she may develop what possible adverse effect related to the administration of this vaccine?
- A. Cough and fever
- B. Pallor and listlessness
- C. Serum sickness
- D. Nausea and vomiting
Correct answer: A
Rationale: The correct answer is A: Cough and fever. After receiving the MMR vaccine, some children may experience mild adverse effects such as a low-grade fever and a mild cough. These symptoms are normal reactions to the vaccine and indicate that the child's immune system is responding appropriately. Choices B, C, and D are incorrect because pallor and listlessness, serum sickness, nausea, and vomiting are not common adverse effects associated with the MMR vaccine in children.
5. In nephritic syndrome compared to nephrotic syndrome, there is:
- A. higher amounts of albuminuria.
- B. negligible hematuria or absence of hematuria.
- C. presence of red blood cell casts in the urine.
- D. hypoalbuminemia
Correct answer: C
Rationale: In nephritic syndrome, the presence of red blood cell casts in the urine is a characteristic finding, reflecting glomerular inflammation and damage. This differentiates it from nephrotic syndrome, where red blood cell casts are typically absent. Choice A is incorrect because nephritic syndrome usually presents with less albuminuria compared to nephrotic syndrome. Choice B is incorrect as hematuria is a common feature of nephritic syndrome. Choice D is incorrect as hypoalbuminemia is more commonly associated with nephrotic syndrome.
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