ATI RN
ATI Pathophysiology Test Bank
1. A patient is prescribed clomiphene citrate (Clomid) for the treatment of infertility. Which of the following statements should be included in the nurse's teaching?
- A. This drug induces ovulation by stimulating gonadotropins.
- B. This drug induces ovulation by inhibiting gonadotropins.
- C. This drug suppresses ovulation by inhibiting gonadotropins.
- D. This drug increases progesterone levels, which maintains pregnancy.
Correct answer: A
Rationale: The correct statement to include in the nurse's teaching is that clomiphene induces ovulation by stimulating the release of gonadotropins, which in turn stimulate the ovaries. Choice B is incorrect because clomiphene does not induce ovulation by inhibiting gonadotropins. Choice C is also incorrect as clomiphene does not suppress ovulation by inhibiting gonadotropins. Choice D is inaccurate as clomiphene does not directly increase progesterone levels to maintain pregnancy.
2. Which information would indicate more teaching is needed regarding hypersensitivity reactions? Type _______ hypersensitivity reactions involve an antibody response.
- A. I
- B. II
- C. III
- D. IV
Correct answer: D
Rationale: The correct answer is D: Type IV hypersensitivity reactions involve cell-mediated immunity, not an antibody response. This question tests knowledge of hypersensitivity reactions and their classification. Type I hypersensitivity reactions involve IgE antibodies, Type II involves IgG or IgM antibodies, and Type III involves immune complex deposition. Type IV hypersensitivity reactions are delayed and involve T cells, not antibodies. Therefore, if a person believes that Type IV hypersensitivity reactions involve an antibody response, more teaching is required.
3. Prior to leaving on a backpacking trip to Southeast Asia, a college student has received a tetanus booster shot. This immunization confers protection by way of what immune process?
- A. Passive natural immunity
- B. Active natural immunity
- C. Passive artificial immunity
- D. Active artificial immunity
Correct answer: D
Rationale: The correct answer is D: Active artificial immunity. A tetanus booster shot confers protection through active artificial immunity. Active immunity involves the body producing its antibodies in response to an antigen, providing long-lasting protection. In this case, the tetanus booster shot triggers the student's immune system to produce specific antibodies against tetanus toxins. Choices A, B, and C are incorrect because passive immunity does not involve the individual's immune system producing antibodies; instead, it involves the direct transfer of antibodies from another source (natural or artificial) for immediate, but temporary, protection.
4. 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.
5. A 44-year-old man presents with muscle weakness and fatigue. He states that he has experienced difficulty climbing stairs and even holding his arms up to comb his hair. Which test is most likely to help confirm the diagnosis?
- A. Electromyography (EMG)
- B. Nerve conduction studies
- C. Muscle biopsy
- D. Blood test for autoantibodies
Correct answer: A
Rationale: The correct answer is Electromyography (EMG). EMG is commonly used to diagnose conditions involving muscle weakness and fatigue, such as myasthenia gravis. Nerve conduction studies primarily assess nerve function rather than muscle involvement. While a muscle biopsy can provide valuable information, EMG is more specific for evaluating muscle function in this context. A blood test for autoantibodies may be helpful in certain autoimmune conditions but is not the primary test for confirming the diagnosis based on the patient's symptoms of muscle weakness and fatigue.
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