The term used to describe masses of solid material or calculi known as gallstones is:
Cholecystitis.
Diverticulosis.
Cholelithiasis.
Diverticulitis.
The Correct Answer is C
Choice A rationale
This term refers specifically to the inflammation of the gallbladder wall, which is often a secondary complication of a blockage. While it is frequently caused by stones, the term itself describes the inflammatory process, which involves chemical or bacterial irritation, rather than the physical stones themselves. Patients with this condition usually present with right upper quadrant pain, fever, and leukocytosis, which are signs of an active infection or severe irritation within the biliary system.
Choice B rationale
This condition involves the presence of small, bulging pouches or sacs in the lining of the digestive tract, most commonly found in the sigmoid colon. It is related to high pressure within the colon and is entirely unrelated to the biliary system or the formation of stones in the gallbladder. This condition is often asymptomatic unless the pouches become inflamed, at which point it transitions into a different clinical diagnosis involving the lower gastrointestinal tract.
Choice C rationale
This is the specific medical term for the formation or presence of calculi within the gallbladder. These stones are typically composed of cholesterol or bilirubin that has precipitated out of the bile solution. The process occurs when bile becomes supersaturated or when the gallbladder does not empty properly. It is the correct term for the physical masses themselves, which can range in size from small grains of sand to large objects the size of a golf ball.
Choice D rationale
This term describes the infection or inflammation of the small pouches that can form in the intestines. While it shares the suffix for inflammation with Choice A, it is localized to the bowel and does not involve the gallbladder or the formation of gallstones. Symptoms usually include left lower quadrant pain and changes in bowel habits. It represents a pathological state of the intestinal wall rather than the presence of solid calculi in the biliary tree.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Huntington's disease is a genetic neurodegenerative disorder characterized by chorea, which are involuntary, jerky, and rapid movements. While it involves motor instability, it does not typically present with the classic pill-rolling tremor or the specific type of bradykinesia seen in Parkinson's. Huntington's involves a different part of the basal ganglia and results from a repeat expansion in the HTT gene. The clinical presentation is more focused on cognitive decline, psychiatric issues, and hyperkinetic movements rather than resting tremors.
Choice B rationale
Alzheimer's disease is primarily a neurocognitive disorder characterized by progressive memory loss, disorientation, and linguistic decline. While advanced stages may involve some motor changes or gait disturbances, the hallmark early signs are not postural instability or pill-rolling tremors. Alzheimer's involves the accumulation of amyloid plaques and tau tangles in the cortex. It is distinguished from movement disorders by its early and profound impact on short-term memory and executive functioning rather than resting motor tremors.
Choice C rationale
Parkinson's disease is a progressive movement disorder caused by the degeneration of dopamine-producing neurons in the substantia nigra. The classic triad of symptoms includes bradykinesia, muscle rigidity, and a resting tremor often described as pill-rolling. Postural instability is another hallmark, leading to a high risk of falls and a characteristic shuffling gait. These motor symptoms result from the loss of inhibitory control in the basal ganglia, making Parkinson's the condition most closely associated with these specific findings.
Choice D rationale
Multiple sclerosis is an inflammatory demyelinating disease that can cause a wide range of symptoms including vision loss, weakness, and ataxia. While it can cause tremors, they are typically intention tremors that occur during movement rather than the resting pill-rolling tremors seen in Parkinson's. MS symptoms are highly variable and depend on the location of the lesions in the central nervous system. It lacks the specific dopaminergic depletion pattern that produces the characteristic resting tremor and postural rigidity.
Correct Answer is A
Explanation
Choice A rationale
Left-sided heart failure causes blood to back up into the pulmonary circulation because the left ventricle cannot efficiently pump blood into the systemic circuit. This increase in pulmonary capillary pressure leads to pulmonary congestion and fluid extravasation into the alveoli. This results in symptoms such as dyspnea, orthopnea, and a cough that produces frothy, often pink-tinged sputum. These respiratory findings are classic indicators of left-sided failure as the lungs become the primary site of fluid accumulation.
Choice B rationale
Peripheral and sacral edema occur when there is systemic venous congestion, which is a hallmark of right-sided heart failure. In this condition, the right ventricle fails to pump blood effectively into the lungs, causing pressure to rise in the right atrium and the systemic venous system. Fluid is then forced out of the capillaries into the dependent tissues of the body. While left-sided failure can eventually lead to right-sided failure, isolated peripheral edema is not a primary sign of left-sided dysfunction.
Choice C rationale
Hepatomegaly and splenomegaly result from venous engorgement of the liver and spleen due to increased pressure in the portal and systemic venous systems. This occurs when the right side of the heart is unable to accommodate the venous return. The organs become enlarged and tender as they become congested with blood. These findings are diagnostic of right-sided heart failure and systemic congestion rather than the pulmonary issues that characterize the initial stages of left-sided cardiac pump failure.
Choice D rationale
Jugular vein distention and ascites are classic signs of systemic fluid volume overload and increased central venous pressure. Jugular vein distention occurs when the right atrium cannot handle the blood returning from the superior vena cava. Ascites is the accumulation of fluid in the peritoneal cavity due to high pressure in the hepatic veins. Both are manifestations of right-sided heart failure. Left-sided failure specifically manifests with pulmonary symptoms due to the backup of blood into the lungs.
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