Diarrhea and other lower intestinal fluid losses will contribute to:
Increase in HCO3-
Decrease in HCO3-
Increase the chance of Alkalosis
Has no effect on pH of blood
The Correct Answer is B
Choice A Reason:
An increase in HCO3- (bicarbonate) is not typically associated with diarrhea and lower intestinal fluid losses. In fact, the opposite is true. Diarrhea often leads to a loss of bicarbonate, which can result in metabolic acidosis. Therefore, this choice is incorrect.
Choice B Reason:
This is the correct answer. Diarrhea and other lower intestinal fluid losses lead to a decrease in HCO3- levels. The loss of bicarbonate from the body results in a lower pH, contributing to metabolic acidosis. This condition occurs because bicarbonate is a key buffer that helps maintain the acid-base balance in the blood.
Choice C Reason:
An increase in the chance of alkalosis is not typically associated with diarrhea. Alkalosis refers to a condition where the pH of the blood is higher than normal, which can occur due to a loss of hydrogen ions or an increase in bicarbonate. However, diarrhea usually causes a loss of bicarbonate, leading to acidosis rather than alkalosis.
Choice D Reason:
Saying that diarrhea has no effect on the pH of the blood is incorrect. Diarrhea can significantly impact the acid-base balance in the body by causing a loss of bicarbonate, leading to metabolic acidosis. Therefore, this choice is incorrect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason:
Disease treatment refers to the management and care of a patient to combat a disease or condition. This includes interventions aimed at curing the disease, alleviating symptoms, or preventing complications. While physical therapy can be part of disease treatment, in the context of a heart attack, it is more accurately described as a form of tertiary prevention.
Choice B Reason:
Tertiary prevention involves measures taken to reduce the impact of an ongoing illness or injury that has lasting effects. This includes rehabilitation and efforts to prevent further complications or deterioration. Physical therapy after a heart attack is a classic example of tertiary prevention, as it aims to improve the patient’s quality of life, enhance physical function, and prevent further cardiac events.
Choice C Reason:
Secondary prevention focuses on early detection and prompt intervention to prevent the progression of a disease. This includes screening tests and early treatment of conditions to halt or slow their progression. In the case of heart disease, secondary prevention might involve regular monitoring of blood pressure and cholesterol levels to detect and manage risk factors early.
Choice D Reason:
Primary prevention aims to prevent the onset of disease before it occurs by reducing risk factors and promoting healthy behaviors. This includes lifestyle changes such as a healthy diet, regular exercise, and smoking cessation to prevent the development of heart disease in the first place. Physical therapy after a heart attack does not fall under primary prevention, as it is an intervention after the disease has already occurred.
Correct Answer is A
Explanation
Choice A Reason:
Decreased ATP production is the primary cause of sodium and water accumulation in an injured cell. ATP is essential for the function of the sodium-potassium (Na±K+) pump, which maintains the ionic balance within the cell. When ATP levels drop, the Na±K+ pump fails, leading to an influx of sodium and water into the cell, causing cellular swelling.
Choice B Reason:
Calcification of the cell refers to the abnormal deposition of calcium salts within the cell. While calcification can occur in injured cells, it is not directly responsible for sodium and water accumulation. Calcification is more related to chronic injury and cell death rather than acute cellular swelling.
Choice C Reason:
Ribosome detachment from the endoplasmic reticulum can occur due to cellular stress and injury, leading to reduced protein synthesis. However, this detachment is not the direct cause of sodium and water accumulation. The primary issue is the failure of the Na±K+ pump due to decreased ATP production.
Choice D Reason:
Dehydration refers to the loss of water from the body or cells. While dehydration can affect cellular function, it is not the cause of sodium and water accumulation in injured cells. The accumulation is primarily due to the failure of the Na±K+ pump, which is dependent on ATP.
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