ATI RN
WGU Pathophysiology Final Exam
1. A patient with an 18 pack per year history presents to a family practice clinic complaining of painless hoarseness and inability to clear mucus. A biopsy of respiratory tract cells is taken and shows that these cells have been replaced by less mature squamous epithelium cells. The nurse knows this type of change is referred to as:
- A. Dysplasia
- B. Metaplasia
- C. Hyperplasia
- D. Coagulation
Correct answer: B
Rationale: Metaplasia is the replacement of one type of cell with another, which can occur in response to chronic irritation, such as from smoking. In this case, the respiratory tract cells being replaced by less mature squamous epithelium cells indicate metaplasia. Dysplasia refers to abnormal development or growth of cells, not replacement; hyperplasia is an increase in the number of cells, not a replacement; and coagulation is a process related to blood clotting, not cell replacement.
2. Manifestations of Cushing syndrome include:
- A. truncal obesity with thin extremities.
- B. enlargement of face, hands, and feet.
- C. cachexia.
- D. thick scalp hair.
Correct answer: A
Rationale: The correct manifestation of Cushing syndrome is truncal obesity with thin extremities. This occurs due to the redistribution of fat to the face, neck, and abdomen, while the arms and legs remain thin. Choice B, enlargement of face, hands, and feet, is more indicative of acromegaly. Choice C, cachexia, refers to extreme weight loss and muscle wasting, which is typically not seen in Cushing syndrome. Choice D, thick scalp hair, is not a typical manifestation of Cushing syndrome.
3. If a patient complains of dizziness, which term below best describes this feeling?
- A. Contraindication
- B. Sign
- C. Objective data
- D. Symptom
Correct answer: D
Rationale: The correct answer is D: 'Symptom.' Dizziness is a symptom because it is a subjective experience reported by the patient. A 'contraindication' refers to a specific situation in which a drug, procedure, or surgery should not be used because it may be harmful. A 'sign' is an objective finding that can be observed or measured. 'Objective data' refers to measurable and observable information about a patient's condition, which is usually obtained through physical examination or diagnostic tests. Therefore, in this case, 'Symptom' is the best term to describe the patient's feeling of dizziness.
4. A 20-year-old college student has presented to the campus medical clinic seeking to begin oral contraceptive therapy. The nurse has recognized the need for adequate health education related to the patient's request. The nurse should emphasize the fact that successful prevention of pregnancy depends primarily on the patient's
- A. current health status.
- B. vigilant adherence to the drug regimen.
- C. knowledge of sexual health.
- D. risk factors for adverse effects.
Correct answer: B
Rationale: The correct answer is B: 'vigilant adherence to the drug regimen.' When initiating oral contraceptive therapy, the success of preventing pregnancy relies heavily on the patient's commitment to following the prescribed regimen consistently. Compliance with taking the oral contraceptives as directed is crucial for their effectiveness. Choice A, 'current health status,' is not the primary factor for successful prevention of pregnancy with oral contraceptives. Choice C, 'knowledge of sexual health,' while important, is not the primary determinant of contraceptive efficacy. Choice D, 'risk factors for adverse effects,' though relevant for monitoring and managing side effects, is not the primary focus for ensuring contraceptive success.
5. Joseph, a 12-year-old child, complains to the school nurse about nausea and dizziness. While assessing the child, the nurse notices a black eye that looks like an injury. This is the third time in 1 month that the child has visited the nurse. Each time, the child provides vague explanations for various injuries. Which of the following is the school nurse’s priority intervention?
- A. Contact the child’s parents and ask about the child’s injuries.
- B. Encourage the child to be honest about the injuries.
- C. Question the teacher about the child's injuries.
- D. Report suspicion of abuse to the proper authorities.
Correct answer: D
Rationale: The school nurse's priority intervention in this situation is to report suspicion of abuse to the proper authorities. Given the pattern of unexplained injuries and vague explanations provided by the child, it raises significant concerns for possible abuse. Reporting to the appropriate authorities is crucial to ensure the child's safety and well-being. Contacting the child's parents (Choice A) may not be appropriate if abuse is suspected, as it could potentially put the child at further risk. Merely encouraging the child to be honest (Choice B) does not address the immediate safety concerns. Questioning the teacher (Choice C) is not the appropriate initial action when abuse is suspected; reporting to authorities should take precedence.
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