A client presents to the emergency department with complaints of vomiting bright red blood. Which of the following terms best describes this clinical finding?
Steatorrhea.
Hematemesis.
Gastroenteritis.
Melena.
The Correct Answer is B
Choice A rationale
This term describes the presence of excess fat in the feces, which often results in stools that are bulky, foul-smelling, and oily. This condition is typically caused by malabsorption syndromes, such as celiac disease or cystic fibrosis, where the body cannot properly digest or absorb dietary fats. It has no physiological connection to the vomiting of blood and involves the lower digestive outcomes rather than an acute upper gastrointestinal emergency or vascular rupture.
Choice B rationale
This is the correct medical term for the vomiting of blood, which can appear as bright red or like coffee grounds depending on how long it has been in contact with gastric acid. Bright red blood indicates an active, brisk bleed in the upper gastrointestinal tract, such as from esophageal varices or a gastric ulcer. It is a critical clinical finding that requires immediate assessment of hemodynamic stability, as the patient is losing active blood volume.
Choice C rationale
This is a general term for inflammation of the stomach and intestines, commonly caused by viral or bacterial infections. While it can cause significant vomiting and diarrhea, the emesis is usually composed of food or bile rather than bright red blood. While severe irritation can occasionally lead to streaks of blood, the term itself refers to the inflammatory state of the gut lining and does not specifically define the clinical act of vomiting blood.
Choice D rationale
This term refers to the passage of black, tarry stools that result from the digestion of blood in the gastrointestinal tract. While it indicates a bleed, it describes the appearance of blood that has passed through the intestines and been oxidized by acid and bacteria. It is the result of upper gastrointestinal bleeding but is a finding associated with defecation, not the act of vomiting, making it the incorrect term for this specific patient complaint.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
Choice A rationale
A high fiber diet is associated with improved digestive health and a lower risk of chronic diseases like cardiovascular disease and type 2 diabetes. While it can help lower blood pressure in hypertensive patients over the long term, it does not cause acute hypotension. Fiber primarily affects glucose absorption and cholesterol levels. It does not significantly alter the immediate hemodynamic variables such as blood volume or cardiac contractility that are necessary to cause a clinical state of low blood pressure.
Choice B rationale
Dehydration leads to a decrease in total circulating blood volume, known as hypovolemia. When the intravascular volume drops, there is less blood filling the heart, which decreases stroke volume and subsequently reduces blood pressure. The body may attempt to compensate with tachycardia, but if the fluid loss is significant, hypotension ensues. Normal fluid intake varies, but clinical signs of dehydration include dry mucous membranes and poor skin turgor. Maintaining adequate hydration is critical for maintaining a stable, normal blood pressure.
Choice C rationale
High sodium intake is a well-known risk factor for hypertension, not hypotension. Sodium causes the body to retain water, which increases the total blood volume and places more pressure on the arterial walls. Excessive sodium intake can lead to edema and strain on the cardiovascular system. Reducing sodium intake is a standard recommendation for managing high blood pressure. In contrast, hypotension is sometimes treated with increased salt intake in specific conditions like orthostatic hypotension or certain dysautonomias.
Choice D rationale
Cardiac output is the product of heart rate and stroke volume. If the heart cannot pump effectively due to heart failure, myocardial infarction, or arrhythmias, the cardiac output falls. Since blood pressure is equal to cardiac output multiplied by systemic vascular resistance, a decrease in cardiac output directly leads to a decrease in blood pressure if the resistance does not increase enough to compensate. Normal cardiac output for an adult is typically between 4 to 8 liters per minute.
Choice E rationale
Blood loss, or hemorrhage, causes a rapid decrease in the volume of blood within the circulatory system. This acute hypovolemia reduces the amount of blood returning to the heart, which lowers the preload and the resulting stroke volume. If the loss is substantial, the body can no longer maintain adequate perfusion pressure, resulting in hypotension and potentially hypovolemic shock. Hemoglobin levels normally range from 12 to 16 g/dL in women and 14 to 18 g/dL in men; significant drops indicate blood loss.
Correct Answer is D
Explanation
Choice A rationale
Calcification is the accumulation of calcium salts in body tissues, which can cause the tissue to harden. While calcification can occur within atherosclerotic plaques, making the arteries rigid, it is a broader biological process that can happen in heart valves, kidneys, or soft tissues. It is a secondary component of the narrowing process rather than the term for the narrowing itself caused specifically by plaque. In the context of arteries, it often signifies an advanced stage of vascular disease.
Choice B rationale
Thrombophlebitis is an inflammatory process that causes a blood clot to form and block one or more veins, usually in the legs. While it involves a blockage, it occurs in the venous system rather than the arterial system and is caused by a thrombus rather than the chronic buildup of fatty plaques. Symptoms include redness, swelling, and pain in the affected area. It is a different pathological entity from the chronic arterial narrowing described in the prompt's question.
Choice C rationale
Myocarditis is the inflammation of the heart muscle, known as the myocardium. It is most often caused by viral infections, but can also result from drug reactions or inflammatory conditions. Symptoms include chest pain, fatigue, and shortness of breath. Myocarditis affects the muscle tissue's ability to pump blood and can lead to heart failure or arrhythmias. It does not involve the narrowing of the arteries due to plaque buildup, which is a vascular rather than a primary muscular issue.
Choice D rationale
Atherosclerosis is a specific type of arteriosclerosis characterized by the buildup of fats, cholesterol, and other substances in and on the artery walls. This buildup is called plaque. Over time, these plaques can narrow the lumen of the arteries, restricting blood flow to vital organs. If a plaque ruptures, it can trigger a blood clot. This process is the underlying cause of many cardiovascular diseases, including coronary artery disease and peripheral artery disease. Risk factors include high cholesterol and smoking.
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