RN exams clinical judgment practice questions set 62

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The correct answer is A. The rationale is as follows: 1. Chlamydia is a sexually transmitted infection that requires treatment to prevent transmission. 2. The patient should complete the full course of treatment to ensure the infection is cleared. 3. Waiting 7 days after completing treatment allows time for the medication to be effective and for the patient's partner to also receive treatment. 4. Having sex before completing treatment and ensuring the partner is treated can lead to re-infection and further transmission. Therefore, choice A is the best response. Summary of incorrect choices: B: Incorrect as having sex immediately after finishing the medicine without waiting for partner treatment can lead to re-infection. C: Incorrect as both partners need to complete treatment to prevent re-infection. D: Incorrect as waiting is necessary to ensure the infection is fully treated and transmission is prevented.

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Given the client's history of type II diabetes mellitus, chronic hypertension, and recent myocardial infarction, the most likely type of shock for the nurse to be prepared to treat in this client is cardiogenic shock. Cardiogenic shock occurs when the heart is unable to pump effectively, leading to inadequate perfusion of vital organs. This can be a complication of myocardial infarction, as damage to the heart muscle can impair its ability to pump blood effectively. Patients with a history of diabetes and hypertension are at increased risk for cardiovascular diseases, such as myocardial infarction, which can lead to cardiogenic shock. Symptoms of cardiogenic shock include hypotension, tachycardia, cool and clammy skin, and altered mental status. Treatment may involve medications to support cardiac function, such as inotropes, and interventions to improve oxygen delivery, such as oxygen therapy and fluid administration.

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The primary therapeutic goal of dornase alfa (Pulmozyme) in cystic fibrosis is to thin and loosen mucus secretions. This enzyme helps break down the DNA in thick, sticky mucus, making it easier for the patient to clear their airways. By thinning the mucus, it reduces the risk of blockages, improves airway clearance, and enhances lung function. This directly addresses the underlying issue in cystic fibrosis, which is the buildup of thick mucus in the lungs. Other choices are incorrect because: A: While dornase alfa may indirectly help reduce lung inflammation by improving mucus clearance, its primary goal is not to directly reduce inflammation. C: While dornase alfa may reduce the risk of infections by improving mucus clearance, its primary goal is not to prevent bacterial infections. D: While improved mucus clearance may indirectly help with oxygen absorption, the primary goal of dornase alfa is specifically to

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Rationale for Answer C (Correct Answer): 1. Elevating the affected arm with pillows post-mastectomy helps reduce swelling and promote lymphatic drainage, aiding in preventing lymphedema. 2. By elevating the arm, it reduces strain on the surgical site and surrounding tissues, promoting comfort and aiding in the healing process. 3. This positioning also helps in preventing postoperative complications such as shoulder stiffness and contractures. Summary of Why Other Choices are Incorrect: - Choice A: While important aspects of preoperative teaching, it does not specifically address the need to elevate the affected arm post-mastectomy. - Choice B: Pain management is crucial, but it does not directly relate to the need for arm elevation post-mastectomy. - Choice D: Turning every 4 hours and coughing exercises are important for preventing complications but do not address the specific need for arm elevation post-mastectomy.

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The patient's presentation with low blood pressure, tachycardia, tachypnea, decreased oxygen saturation, and altered mental status is most consistent with distributive shock. Distributive shock is characterized by systemic vasodilation and decreased systemic vascular resistance (SVR), leading to inadequate perfusion of tissues and organs despite normal or high cardiac output. In this case, the low SVR (1600 dynes ∙ sec/cm5) and low blood pressure indicate vasodilation. The patient's pulmonary capillary wedge pressure (PCWP) of 8 mm Hg is not consistent with cardiogenic shock, where elevated PCWP would be expected. Additionally, there are no signs of obstructive shock, such as a history of pulmonary embolism but rather clinical findings that suggest distributive shock. Hypovolemic shock would typically present with signs of volume depletion and would be less likely in this patient with stable mental status initially.

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Correct Answer: C. "I am experiencing suicidal thoughts." Rationale: This statement indicates a serious mental health concern that requires immediate follow-up. Suicidal thoughts during pregnancy can be a sign of depression or other mental health issues that need to be addressed promptly to ensure the safety and well-being of the client and the baby. Summary of Other Choices: A: "I have been crying the week of my period." - This statement suggests premenstrual symptoms which are common and not necessarily alarming during pregnancy. B: "I should gain 2 to 4 pounds in the first trimester and half a pound per week in the last two trimesters." - This statement reflects a correct understanding of weight gain recommendations during pregnancy and does not raise immediate concerns. D: "My menstrual cycle is 1 week late." - This statement is not concerning during pregnancy as menstrual cycles typically stop during pregnancy.

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Within a muscle fiber, the sarcolemma, the cell membrane, extends inward as transverse tubules, known as T-tubules. These structures penetrate deep into the fiber, ensuring rapid transmission of action potentials from the nerve impulse to trigger contraction. This allows synchronized calcium release across the fiber, critical for muscle function. The sarcoplasmic reticulum, while closely associated, is a separate organelle storing calcium, not an extension of the sarcolemma. Myofibrils are the contractile units, composed of actin and myosin, but they don't extend from the membrane. Sarcomeres are segments of myofibrils, defining the contractile zone, not membrane extensions. T-tubules' role in signal conduction distinguishes them, enabling efficient, uniform contraction, unlike the storage, structural, or organizational roles of the others, aligning with their anatomical and physiological purpose in muscle activation.

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The correct answer is B, completing a preceptorship with an advanced practice nurse. This experience allows the nursing student to directly work with and learn from a more experienced healthcare professional, gaining firsthand knowledge of interprofessional collaboration, communication, and teamwork. The preceptorship provides practical, real-world exposure to interprofessional team dynamics and allows for mentorship and guidance. A: Attending a seminar may provide theoretical knowledge but lacks the practical application and direct experience of working within a team. C: Caring for patients with varying medical diagnoses is important for developing clinical skills but may not specifically focus on interprofessional team participation. D: Presenting patient information at a meeting involves communication skills but does not offer the same level of hands-on experience in interprofessional teamwork as a preceptorship.

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Step-by-step rationale: 1. Pulse oximetry is a non-invasive method to measure oxygen saturation in the blood by using a sensor on the patient's finger. 2. It is commonly used in assessing respiratory conditions like asthma exacerbation to monitor oxygen levels. 3. Thoracentesis is a procedure to remove fluid from the pleural space, not for measuring oxygen saturation. 4. Diffusion capacity measures how well oxygen and carbon dioxide are exchanged in the lungs, not oxygen saturation. 5. Maximal respiratory pressure assesses the strength of respiratory muscles, not oxygen saturation. Summary: Pulse oximetry is the correct choice as it is a non-invasive method to measure oxygen saturation, which is crucial in assessing and managing respiratory conditions like acute asthma exacerbation. Thoracentesis, diffusion capacity, and maximal respiratory pressure are not appropriate for measuring oxygen saturation in this context.

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The correct answer is D because introducing the staff to the PubMed search engine and assigning them topics to research on it is the most effective way to promote evidence-based practice. PubMed is a reputable database that contains a vast collection of peer-reviewed articles and research studies, making it a reliable source for evidence. By assigning specific topics, the nurse can ensure that the staff is focusing on relevant and current information, fostering a deeper understanding of evidence-based practice. Choice A is incorrect because certification in critical care nursing does not guarantee a commitment to evidence-based practice. Choice B is not as effective as it relies on passive exposure to journals rather than active engagement with specific research topics. Choice C is not the best option as using general search terms on search engines like Google or Yahoo may lead to unreliable or outdated information.