A nurse is caring for patients with electrolyte imbalances on a medical-surgical unit. Which common causes are correctly paired with the corresponding electrolyte imbalance?
Hyponatremia - Dehydration
Hypomagnesemia - Chronic alcoholism
Hyperkalemia - Kidney failure
Correct Answer : B,C
Choice A: Hyponatremia - Dehydration
Hyponatremia occurs when the sodium levels in the blood are abnormally low. While dehydration can contribute to hyponatremia, it is not the most common cause. Hyponatremia is more frequently caused by conditions that lead to an excess of water in the body, diluting the sodium levels. These conditions include heart failure, kidney disease, and the syndrome of inappropriate antidiuretic hormone secretion (SIADH).
Choice B: Hypomagnesemia - Chronic alcoholism
This is a correct pairing. Hypomagnesemia, or low magnesium levels in the blood, is often associated with chronic alcoholism. Alcoholism can lead to poor dietary intake of magnesium, increased urinary excretion of magnesium, and gastrointestinal losses due to vomiting and diarrhea. These factors contribute to the development of hypomagnesemia in individuals with chronic alcoholism.
Choice C: Hyperkalemia - Kidney failure
This is also a correct pairing. Hyperkalemia, or high potassium levels in the blood, is commonly caused by kidney failure. The kidneys are responsible for excreting excess potassium from the body. When the kidneys are not functioning properly, they cannot remove potassium efficiently, leading to its accumulation in the blood. Other causes of hyperkalemia include certain medications, such as potassium-sparing diuretics, and conditions that cause cellular breakdown, such as rhabdomyolysis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A: True
The essential core of nursing practice indeed revolves around delivering holistic, patient-centered care. This approach integrates the art and science of nursing to ensure comprehensive care that addresses the physical, emotional, social, and spiritual needs of patients. Holistic care involves thorough assessment and evaluation to understand the patient’s overall health status and needs. Nurses provide a variety of interventions, from administering medications to performing procedures, to support patient health and recovery. Additionally, patient and caregiver teaching is crucial for empowering individuals to manage their health effectively. Nurses also play a vital role as members of the interprofessional healthcare team, collaborating with other healthcare professionals to ensure coordinated and effective care.
Choice B: False
The statement that the essential core of nursing practice is not to deliver holistic, patient-centered care is incorrect. Holistic, patient-centered care is a fundamental principle of nursing practice. It emphasizes the importance of treating the whole person rather than just the symptoms of a disease. This approach ensures that care is tailored to the individual needs of each patient, promoting better health outcomes and patient satisfaction. By focusing on holistic care, nurses can address the diverse aspects of a patient’s well-being, including their physical, emotional, social, and spiritual needs.
Correct Answer is A
Explanation
Choice A: True
Urinary tract infections (UTIs) are indeed the most common type of healthcare-associated infection (HAI). According to the Centers for Disease Control and Prevention (CDC), UTIs account for more than 30% of infections reported by acute care hospitals. These infections are primarily caused by the use of catheters and other instrumentation of the urinary tract, which can introduce bacteria and lead to infection. The high prevalence of UTIs in healthcare settings underscores the importance of stringent infection control practices to prevent these infections.
Choice B: False
The statement that UTIs are not the most common healthcare-associated infection is incorrect. While other types of HAIs, such as surgical site infections, bloodstream infections, and pneumonia, are also significant, UTIs remain the most frequently reported. The use of urinary catheters is a major risk factor, and efforts to reduce catheter use and improve catheter care are critical in preventing these infections.
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