ATI RN
ATI Pathophysiology Exam 1
1. What symptoms would the nurse expect to see in a client with chronic obstructive pulmonary disease (COPD)?
- A. Dyspnea on exertion
- B. Normal lung sounds
- C. Normal arterial blood gases
- D. Onset of the disease during young adulthood
Correct answer: A
Rationale: The correct answer is A: Dyspnea on exertion. COPD typically manifests with symptoms like dyspnea on exertion due to impaired lung function. This symptom is a result of the airways being obstructed and the lungs not being able to expel air effectively. Choices B and C are incorrect because in COPD, abnormal lung sounds such as wheezing, crackles, or diminished breath sounds are often heard upon auscultation, and arterial blood gases are usually abnormal, showing low oxygen levels and high carbon dioxide levels. Choice D is incorrect as COPD is more commonly diagnosed in individuals over 40 who have a history of smoking or exposure to lung irritants.
2. 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.
3. A young man has received a diagnosis of androgen deficiency and has been prescribed testosterone. At clinic follow-up appointments, the nurse should prioritize which of the following assessments?
- A. Bladder ultrasound and urine testing for glucose and ketones
- B. Weight and measurement of blood pressure
- C. Hearing assessment and abdominal girth measurement
- D. Deep tendon reflexes and random blood glucose testing
Correct answer: B
Rationale: In a patient receiving testosterone therapy for androgen deficiency, monitoring weight and blood pressure is crucial. Testosterone therapy can lead to weight gain and hypertension, making regular assessments of these parameters important to detect and manage any adverse effects. Choices A, C, and D are not the priority assessments for a patient on testosterone therapy. Bladder ultrasound and urine testing for glucose and ketones, hearing assessment and abdominal girth measurement, and deep tendon reflexes and random blood glucose testing are not directly related to the common side effects or monitoring requirements of testosterone therapy.
4. A patient is taking raloxifene (Evista) for osteoporosis. What is the primary therapeutic effect of this medication?
- A. It stimulates the formation of new bone.
- B. It decreases bone resorption and increases bone density.
- C. It increases the excretion of calcium through the kidneys.
- D. It increases calcium absorption in the intestines.
Correct answer: B
Rationale: The correct answer is B. Raloxifene, a selective estrogen receptor modulator (SERM), primarily works by decreasing bone resorption and increasing bone density. This mechanism of action helps in the prevention and treatment of osteoporosis by maintaining or improving bone strength. Choice A is incorrect because raloxifene does not directly stimulate the formation of new bone but rather helps in preserving existing bone. Choice C is incorrect because raloxifene does not increase the excretion of calcium through the kidneys; instead, it acts on bone tissue. Choice D is incorrect as raloxifene does not directly increase calcium absorption in the intestines but rather focuses on bone health.
5. What type of immunity will the hepatitis B series provide a nursing student scheduled to receive it?
- A. Active immunity
- B. Passive immunity
- C. Innate immunity
- D. Natural immunity
Correct answer: A
Rationale: The correct answer is active immunity. The hepatitis B series immunization will provide active immunity, where the individual's immune system is stimulated to produce antibodies against the hepatitis B virus. This type of immunity is long-lasting and provides protection against future exposures. Passive immunity (choice B) involves the transfer of pre-formed antibodies and is temporary. Innate immunity (choice C) is the body's natural defense mechanisms, present at birth. Natural immunity (choice D) refers to immunity acquired through normal life processes, such as recovering from an infection.
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