ATI RN
ATI Pathophysiology
1. A primiparous woman tells the nurse that she and her partner are highly reluctant to have their infant vaccinated, stating, “We've read that vaccines can potentially cause a lot of harm, so we're not sure we want to take that risk.” How should the nurse respond to this family's concerns?
- A. “Vaccinations are not without some risks, but these are far exceeded by the potential benefits they offer in preventing serious diseases.”
- B. “The potential risks of vaccinations have been investigated and determined to be minimal compared to the benefits of protecting your child from potentially life-threatening diseases.”
- C. “It is important to follow state laws regarding vaccines, but I understand your concerns. Let's discuss the specific risks and benefits of vaccines for your child.”
- D. “Vaccines indeed cause several serious adverse effects, but these are usually treated effectively, and the benefits of vaccination in preventing diseases far outweigh the risks.”
Correct answer: B
Rationale: When addressing concerns about vaccination, it is crucial to provide accurate information to help parents make informed decisions. Choice B is the most appropriate response as it acknowledges the concerns of the family while emphasizing that the potential risks of vaccinations are minimal compared to the significant benefits of protecting the child from serious diseases. This response shows empathy towards the parents' concerns while also highlighting the importance of vaccination in preventing life-threatening illnesses. Choice A is incorrect because it does not emphasize the significant benefits of vaccination in preventing diseases, which may not effectively address the family's concerns. Choice C is incorrect as it focuses more on state laws rather than addressing the family's specific concerns about vaccine safety. Choice D is incorrect as it may increase the family's anxiety by highlighting adverse effects without adequately emphasizing the benefits of vaccination in disease prevention.
2. A patient who is undergoing treatment for cytomegalovirus received his first dose of IV ganciclovir 3 days ago. When reviewing this patient's most recent blood work, what abnormality should the nurse most likely attribute to the use of this drug?
- A. Hemoglobin 17 g/dL (high normal)
- B. INR 3.8 (high)
- C. Platelet count 118,000/mm3 (low)
- D. Leukocytes 11,900/mm3 (high)
Correct answer: C
Rationale: The correct answer is C: Platelet count 118,000/mm3 (low). Ganciclovir, used to treat cytomegalovirus, is known to cause bone marrow suppression, leading to decreased platelet count (thrombocytopenia). This condition can increase the risk of bleeding. Choices A, B, and D are not typically associated with ganciclovir therapy. High hemoglobin levels (choice A) are not commonly seen with ganciclovir treatment. INR elevation (choice B) is associated with coagulation abnormalities, which are not a typical side effect of ganciclovir. Elevated leukocyte count (choice D) is not a common consequence of ganciclovir use.
3. A patient arrives at her follow-up appointment 1 month post-hysterectomy and complains to the nurse that her scars do not seem to be healing properly. Upon inspection, the nurse notices that the scars are raised but still within the boundaries of the original incisions. The nurse tells the patient this kind of dysfunctional wound healing is called:
- A. Hypertrophic scarring
- B. Dehiscence
- C. Contracture
- D. A keloid
Correct answer: A
Rationale: Hypertrophic scarring occurs when a scar is raised but remains within the boundaries of the original wound, unlike keloids, which extend beyond the wound edges. Dehiscence refers to the separation of wound edges, while contracture involves the tightening or constriction of a scar, leading to limited mobility.
4. What part of the heart is responsible for starting the electrical impulse to conduct a heart rhythm and contraction of the atria and ventricles?
- A. The Purkinje fibers in the ventricles
- B. The right & left bundle branches
- C. The atrioventricular node
- D. The sinoatrial node in the atrium
Correct answer: D
Rationale: The sinoatrial node (SA node) in the atrium is indeed responsible for initiating the electrical impulse that starts the heart's rhythm. The SA node is known as the heart's natural pacemaker. Choices A, B, and C are incorrect because while the Purkinje fibers, bundle branches, and atrioventricular node play crucial roles in the conduction of the electrical impulse throughout the heart, the SA node is specifically responsible for initiating this impulse.
5. A client with diabetes mellitus has just undergone a right, below-the-knee amputation following gangrene infection. A few days after the amputation, the client confides in the nurse that he still feels his right foot. Knowing the pathophysiologic principles behind this, the nurse can:
- A. administer a psychotropic medication to help the client cope with the sensation of his amputated leg.
- B. explain that many amputees have this sensation and that one theory surmises the end of a regenerating nerve becomes trapped in the scar tissue of the amputation site.
- C. call the physician and request an order for a psychological consult.
- D. educate the client that this area has an unusually abnormal increase in sensitivity to sensation but that it will go away with time.
Correct answer: B
Rationale: The correct answer is B. The sensation of feeling the amputated limb is known as phantom limb pain, which is common after amputation. One theory suggests that it occurs because the end of a regenerating nerve becomes trapped in the scar tissue at the amputation site. Administering psychotropic medication (choice A) is not the first-line treatment for phantom limb pain. Requesting a psychological consult (choice C) is premature without first addressing the known pathophysiological basis of phantom limb pain. Educating the client that the sensitivity will go away with time (choice D) is not entirely accurate as phantom limb pain can persist long-term.
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