A patient states, "I sometimes have diarrhea up to 12 times a day, and it contains blood and mucus.”. Which of the following conditions is this patient likely experiencing?
Irritable bowel disease.
Crohn's disease.
Ulcerative colitis.
Diverticulosis.
The Correct Answer is C
Choice A rationale
Irritable bowel disease is not a specific medical diagnosis but rather an umbrella term for conditions like Crohn's or a misnomer for irritable bowel syndrome. IBS itself is a functional disorder that does not cause mucosal sloughing, ulceration, or significant bleeding. The presence of blood and mucus indicates organic pathology and structural damage to the intestinal lining, which necessitates further diagnostic testing like a colonoscopy to identify the specific inflammatory or infectious source.
Choice B rationale
Crohn's disease causes transmural inflammation that can lead to diarrhea and occult blood, but gross bloody stools are less common than in ulcerative colitis. The inflammation in Crohn's is often patchy and can be located in the small intestine, where blood becomes darker or degraded before excretion. While patients experience frequent stools, the classic description of frequent, bright red bloody diarrhea with significant mucus is more representative of the continuous colonic involvement found in ulcerative colitis.
Choice C rationale
Ulcerative colitis is characterized by inflammation limited to the mucosa and submucosa of the colon, leading to friability and ulceration. This damage results in frequent episodes of diarrhea, often exceeding 10 to 20 times daily, containing significant amounts of blood and mucus. The rectum is almost always involved, causing urgency and tenesmus. Laboratory findings often show anemia and elevated inflammatory markers. The presence of mucus indicates the goblet cells are reacting to the intense surface inflammation.
Choice D rationale
Diverticulosis refers to the presence of small outpouchings in the colonic wall without active inflammation. It is often asymptomatic and usually discovered during routine screening. While diverticular bleeding can occur, it is typically painless, brisk, and not associated with chronic diarrhea containing mucus. If these pouches become inflamed, the condition progresses to diverticulitis, which presents with localized pain and fever rather than the high-frequency, mucus-filled diarrheal stools described by the patient in the question.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
The frontal lobe is the center for higher-level cognitive functions, including decision-making, social behavior, and personality expression. It contains the prefrontal cortex, which regulates impulses and emotional responses. Damage to this area frequently results in significant personality changes, impulsivity, or lack of social inhibition. Because this region governs how a person interacts with their environment and manages their character traits, injury there often transforms a patient's baseline temperament and behavioral patterns.
Choice B rationale
Loss of vision is associated with damage to the occipital lobe, located at the very back of the brain. The occipital lobe is responsible for processing visual stimuli and interpreting information sent from the retinas. Even if the eyes are healthy, an injury to this posterior region can result in blindness or visual field deficits. Since the frontal lobe does not primarily process visual data, sight loss would not be the expected finding for a frontal injury.
Choice C rationale
Speech difficulty specifically related to the motor production of words is linked to Broca's area, which is located in the frontal lobe. However, when assessing "personality changes" versus "speech difficulty" in a broad clinical context for frontal lobe injury, personality is the most comprehensive answer for the entire lobe's function. While Broca's aphasia is a frontal issue, personality changes represent the vast executive functions of the prefrontal areas that comprise most of the lobe.
Choice D rationale
Hearing loss is typically associated with injury to the temporal lobes, which are located on the sides of the brain near the ears. The primary auditory cortex resides in the superior temporal gyrus and is responsible for receiving and interpreting sound frequencies. Damage to this area results in the inability to perceive or understand auditory information. The frontal lobe is not involved in the primary sensory pathway for hearing, making this an unlikely symptom of frontal trauma.
Correct Answer is D
Explanation
Choice A rationale
Gastritis involves the inflammation, irritation, or erosion of the lining of the stomach. It can be acute or chronic and is often caused by H. pylori infection, excessive alcohol consumption, or the prolonged use of nonsteroidal anti-inflammatory drugs. While it involves inflammation of the digestive tract lining, it occurs in the stomach, not the colon, and does not involve the formation of small pouches or diverticula within the muscular layers of the organ.
Choice B rationale
Appendicitis is the inflammation of the appendix, a small finger-like projection located at the junction of the small and large intestines. While it is an inflammatory condition of the digestive tract, it is a localized infection of a specific anatomical structure. It does not involve the generalized formation of pouches throughout the colon lining. The symptoms are typically more acute and focused in the right lower quadrant of the abdomen rather than across the colon.
Choice C rationale
Ulcerative colitis is a type of inflammatory bowel disease that causes long-lasting inflammation and ulcers in the innermost lining of the large intestine and rectum. While it involves the colon, the pathology is characterized by continuous mucosal inflammation and shallow ulcerations rather than the herniation of the mucosa through the muscular wall to form pouches. The symptoms often include bloody diarrhea and tenesmus, which differ from the typical presentation of pouch inflammation.
Choice D rationale
Diverticulitis occurs when small, bulging pouches known as diverticula, which have formed in the lining of the digestive tract, become inflamed or infected. These pouches most commonly develop in the sigmoid colon where pressure is highest. When stool or bacteria become trapped in these pockets, it leads to the clinical syndrome of diverticulitis, characterized by left lower quadrant pain, fever, and changes in bowel habits. This matches the description of inflamed small pouches.
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