ATI RN
ATI Pathophysiology Exam 3
1. After sustaining a concussion, a client experiences headache, vomiting, blurred vision, and loss of consciousness. What does this indicate?
- A. Increased intracranial pressure
- B. Lower extremity compartment syndrome
- C. Consuming too much food at once
- D. Improved kidney function
Correct answer: A
Rationale: The symptoms of headache, vomiting, blurred vision, and loss of consciousness following a concussion are indicative of increased intracranial pressure. These symptoms are commonly associated with intracranial pressure elevation, which can be dangerous and requires immediate medical attention. Lower extremity compartment syndrome is characterized by severe pain and swelling in the affected limb, not the symptoms mentioned. Consuming too much food at once may lead to digestive issues but does not correlate with the symptoms described. Improved kidney function would not manifest through the symptoms mentioned after a concussion.
2. What long-term risks should the nurse discuss with a patient being treated with hormone replacement therapy (HRT) for menopausal symptoms?
- A. HRT may increase the risk of cardiovascular events and breast cancer.
- B. HRT may decrease the risk of osteoporosis.
- C. HRT may improve mood and energy levels.
- D. HRT may increase the risk of venous thromboembolism.
Correct answer: A
Rationale: The correct answer is A. Long-term hormone replacement therapy (HRT) is associated with increased risks of cardiovascular events and breast cancer. These risks should be discussed with the patient to ensure they are aware of the potential adverse effects. Choice B is incorrect because HRT does not decrease the risk of osteoporosis; in fact, it has been linked to an increased risk of this condition. Choice C is incorrect as while HRT may have positive effects on mood and energy levels for some individuals, the focus here is on the long-term risks that need to be addressed. Choice D is incorrect as HRT is indeed associated with an increased risk of venous thromboembolism, but the primary focus of the question is on cardiovascular events and breast cancer.
3. What are direct effects of antibodies? (Select all that apply):
- A. Neutralization
- B. Agglutination
- C. Precipitation
- D. Phagocytosis
Correct answer: A, B, C
Rationale: The direct effects of antibodies include neutralization, agglutination, and precipitation. Antibodies neutralize pathogens by binding to them and preventing their harmful effects. Agglutination involves the clumping together of pathogens, making it easier for phagocytes to engulf them. Precipitation refers to the process where antibodies bind to soluble antigens, forming large complexes that are easily removed from the body. Phagocytosis, on the other hand, is an indirect effect of antibodies where phagocytes engulf and destroy pathogens opsonized by antibodies, not a direct effect.
4. What are the signs of thyroid crisis resulting from Graves' disease?
- A. Constipation with gastric distension.
- B. Bradycardia and bradypnea.
- C. Hyperthermia and tachycardia.
- D. Constipation and lethargy.
Correct answer: Hyperthermia and tachycardia.
Rationale: In a thyroid crisis resulting from Graves' disease, the patient typically experiences symptoms such as hyperthermia (elevated body temperature) and tachycardia (rapid heart rate). These symptoms are indicative of the hypermetabolic state seen in thyroid storm. Choices A and D are incorrect as constipation and lethargy are not typical signs of a thyroid crisis; instead, patients with hyperthyroidism often experience diarrhea and agitation. Choice B is incorrect because bradycardia (slow heart rate) and bradypnea (slow breathing rate) are more commonly associated with hypothyroidism rather than a thyroid crisis in Graves' disease.
5. A 60-year-old man presents with painless hematuria. Which of the following should be the next step in the evaluation?
- A. Urinalysis
- B. Renal ultrasound
- C. Cystoscopy
- D. Intravenous pyelogram
Correct answer: C
Rationale: In a 60-year-old man presenting with painless hematuria, the next step in the evaluation should be cystoscopy. Cystoscopy is recommended to assess the cause of hematuria, particularly to rule out bladder cancer, which is more common in older individuals. Urinalysis (Choice A) can provide initial information but may not definitively diagnose the underlying cause. Renal ultrasound (Choice B) and intravenous pyelogram (Choice D) are imaging studies that may be considered later in the evaluation process but are not the initial step for painless hematuria.
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