ATI RN
Final Exam Pathophysiology
1. A 20-year-old college student has presented to her campus medical clinic for a scheduled Pap smear. The clinician who will interpret the smear will examine cell samples for evidence of:
- A. Changes in cell shape, size, and organization
- B. Presence of unexpected cell types
- C. Ischemic changes in cell sample
- D. Abnormally high numbers of cells
Correct answer: A
Rationale: The correct answer is changes in cell shape, size, and organization (Choice A). Pap smears are performed to detect potential precancerous or cancerous conditions by examining the cells for any abnormalities in their shape, size, or organization. This helps in identifying early signs of cervical cancer. Choices B, C, and D are incorrect because Pap smears primarily focus on detecting cellular changes associated with cancer, not unexpected cell types, ischemic changes, or abnormally high numbers of cells.
2. Which of the following factors are known to contribute to an individual's ability to adapt to stress? (Select ONE that does not apply.)
- A. Ethnicity
- B. Age
- C. Socioeconomic status
- D. Gender
Correct answer: A
Rationale: The correct factors that contribute to an individual's ability to adapt to stress are age, socioeconomic status, and gender. Age can influence coping mechanisms and resilience. Socioeconomic status can impact access to resources and support systems. Gender differences can also play a role in how individuals experience and manage stress. Ethnicity, while important in other contexts, is not directly mentioned in the provided rationale and is not one of the factors listed as contributing to an individual's ability to adapt to stress.
3. A patient is to be administered an immunization. The serum contains aluminum phosphate. What route is most appropriate to administer this immunization?
- A. Intramuscularly
- B. Subcutaneously
- C. Intravenously
- D. Orally
Correct answer: A
Rationale: The most appropriate route to administer an immunization containing aluminum phosphate is intramuscularly. Aluminum phosphate is commonly used as an adjuvant in vaccines to enhance the immune response. Intramuscular administration allows for the vaccine to be delivered into the muscle tissue, where it can be effectively absorbed by the body's immune cells. Subcutaneous administration is not ideal for vaccines containing aluminum phosphate, as it may not elicit the desired immune response. Intravenous administration is typically reserved for specific medications or situations that require rapid absorption into the bloodstream. Oral administration is not suitable for vaccines containing aluminum phosphate as they would be degraded in the gastrointestinal tract.
4. What is a characteristic of coronary artery disease (CAD)?
- A. The build-up of infectious by-products in the lymph nodes
- B. Insufficient delivery of oxygenated blood to the myocardium
- C. Insufficient delivery of carbon dioxide to the lungs
- D. The build-up of bile in the stomach and gallbladder
Correct answer: B
Rationale: The correct characteristic of coronary artery disease (CAD) is the insufficient delivery of oxygenated blood to the myocardium. CAD is a condition where the coronary arteries become narrowed or blocked, leading to reduced blood flow to the heart muscle. This lack of oxygenated blood can result in chest pain, known as angina, and if a coronary artery becomes completely blocked, it can cause a heart attack. Choices A, C, and D are incorrect. Choice A refers to an issue related to the lymphatic system, choice C is about gas exchange in the lungs, and choice D describes a problem with bile accumulation in the digestive system, none of which are characteristics of CAD.
5. 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.
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