ATI RN
ATI Pathophysiology Exam 2
1. What should the nurse assess in a patient experiencing breakthrough bleeding while taking oral contraceptives?
- A. Adherence to the medication schedule
- B. The possibility of pregnancy
- C. The need for an increased dosage
- D. The effectiveness of the current oral contraceptive
Correct answer: A
Rationale: When a patient on oral contraceptives experiences breakthrough bleeding, the nurse should assess the patient's adherence to the medication schedule. Breakthrough bleeding is often a sign of non-adherence, potentially reducing the effectiveness of the contraceptives. Assessing the adherence to the schedule helps in determining if the medication is being taken correctly. The possibility of pregnancy (choice B) is less likely if the patient has been taking the contraceptives as prescribed. Increasing the dosage (choice C) without assessing adherence first can lead to unnecessary medication adjustments. Evaluating the effectiveness of the current oral contraceptive (choice D) comes after assessing adherence to the schedule.
2. A client with a history of smoking presents with a chronic cough and shortness of breath. The nurse should suspect which condition?
- A. Pulmonary fibrosis
- B. Chronic obstructive pulmonary disease (COPD)
- C. Lung cancer
- D. Pulmonary edema
Correct answer: B
Rationale: The correct answer is B: Chronic obstructive pulmonary disease (COPD). COPD is often associated with a chronic cough and shortness of breath, especially in individuals with a history of smoking. Pulmonary fibrosis (choice A) typically presents with progressive dyspnea and dry cough. Lung cancer (choice C) may present with a chronic cough, shortness of breath, and other symptoms like weight loss and hemoptysis. Pulmonary edema (choice D) presents with symptoms such as acute shortness of breath, orthopnea, and pink, frothy sputum.
3. A toddler is displaying signs/symptoms of weakness and muscle atrophy. The pediatric neurologist suspects it may be a lower motor neuron disease called spinal muscular atrophy (SMA). The client's family asks how he got this. The nurse will respond:
- A. This could result from playing in soil and then ingesting bacteria that is now attacking his motor neurons.
- B. No one really knows how this disease is formed. We just know that in time, he may grow out of it.
- C. This is a degenerative disorder that tends to be inherited as an autosomal recessive trait.
- D. This is a segmental demyelination disorder that affects all nerve roots and eventually all muscle groups as well.
Correct answer: C
Rationale: The correct answer is C. Spinal muscular atrophy (SMA) is an inherited disorder, often autosomal recessive, that affects lower motor neurons. Choice A is incorrect because SMA is not caused by ingesting bacteria from playing in soil. Choice B is incorrect as SMA is not something that a person grows out of. Choice D is incorrect because SMA is not a demyelination disorder that affects nerve roots and muscle groups.
4. What is a common trigger for acute bronchospasm in asthma?
- A. Infection
- B. Allergic reaction
- C. Excessive exercise
- D. High altitude
Correct answer: B
Rationale: An allergic reaction is a common trigger for acute bronchospasm in asthma patients. When individuals with asthma come in contact with allergens like pollen, dust mites, or pet dander, it can lead to an allergic reaction that triggers bronchospasm. Infections, excessive exercise, and high altitudes can exacerbate asthma symptoms, but they are not the most common trigger for acute bronchospasm in asthma patients.
5. A 5-year-old female takes a hike through the woods during a school field trip. Upon returning home, she hugs her father, and he later develops poison ivy. Which of the following immune reactions is he experiencing?
- A. IgE-mediated
- B. Tissue-specific
- C. Immune complex
- D. Cell-mediated
Correct answer: D
Rationale: The father's immune reaction to poison ivy is an example of cell-mediated immunity, specifically a type IV hypersensitivity reaction. In this type of reaction, sensitized T cells react to antigens, leading to inflammation and tissue damage. IgE-mediated reactions involve antibodies of the IgE class, commonly seen in allergic responses like anaphylaxis. Tissue-specific reactions target specific organs or tissues. Immune complex reactions involve immune complexes formed by antigens and antibodies that can deposit in tissues, leading to inflammation.
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