A 22-year-old patient is evaluated in the clinic for reports of severe constipation and pain during defecation. The patient also reports blood on the toilet paper. Fast medical history is unremarkable. On visualization of the anus there is a slight red, moist-appearing protrusion from the anus that grows larger when the patient bears down. On digital rectal examination, an enlarged tender area on the posterior side is palpated. There is some blood on the glove after the examination. What disorder of the anus or rectum best fits this presentation?
Anal fissure
Anorectal fistula
Rectal polyps
Internal hemorrhoids
The Correct Answer is D
Anorectal disorders often present with constipation, pain, and rectal bleeding, but distinguishing between fissures, fistulas, polyps, and hemorrhoids depends on characteristic physical findings. Hemorrhoids are vascular cushions that become symptomatic when swollen or prolapsed due to increased venous pressure. Internal hemorrhoids, in particular, are located above the dentate line and may protrude during straining with minimal pain but visible bleeding. Accurate recognition of their appearance during examination is key to correct diagnosis.
Rationale:
A. Anal fissure is a linear tear in the anal mucosa that typically causes severe sharp pain during and after defecation, along with small amounts of bright red blood. It does not present as a protruding mass or enlarge with straining. The absence of a visible tear and the presence of a prolapsing structure make this diagnosis less likely.
B. Anorectal fistula is an abnormal tract between the anal canal and perianal skin, often associated with chronic infection, drainage of pus, and recurrent irritation. It typically presents with persistent discharge rather than a red, prolapsing mass that enlarges with straining. The described findings are not consistent with fistula formation.
C. Rectal polyps are mucosal growths that may cause intermittent bleeding but are usually not visible externally or influenced by straining. They are typically identified on internal examination or endoscopy rather than during inspection of the anus. They also do not present as a moist, protruding lesion at the anal opening.
D. Internal hemorrhoids best fits this presentation because they are vascular structures that can become engorged and prolapse during defecation or straining. They often appear as soft, red, moist masses that enlarge with bearing down and may bleed due to friction. The presence of painless rectal bleeding and a prolapsing lesion is highly characteristic of internal hemorrhoids.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Fundal height measurement is a standard prenatal assessment used to estimate fetal growth and gestational progress. It is typically measured in centimeters from the pubic symphysis to the highest point of the uterine fundus. Between 20 and 36 weeks of gestation, fundal height in centimeters approximately correlates with gestational age in weeks. Accurate technique helps identify normal growth patterns or potential complications such as fetal growth restriction or polyhydramnios.
Rationale:
A. The umbilicus is a surface landmark used as a rough reference point for gestational age, but it is not the endpoint for fundal height measurement. While at approximately 20–22 weeks the fundus may reach the level of the umbilicus, measurements are not taken to this landmark. Instead, the measurement must be taken to the highest point of the uterine fundus for accuracy.
B. Fundal height measurement is correctly performed from the pubic symphysis to the top of the uterine fundus. The fundus represents the highest point of the uterus and reflects fetal growth and uterine enlargement. At 21 weeks gestation, the fundus is typically near the level of the umbilicus, but measurement is always taken to the exact highest point of the uterus for consistency and accuracy.
C. The bottom of the uterine fundus is not an anatomical reference used in obstetric measurements. The fundus is a single uppermost structure of the uterus, and measurements must be taken to its highest point. Using the lower portion would result in inaccurate underestimation of gestational size.
D. The xiphoid process is used as a landmark in later pregnancy (around 36 weeks) when the uterus reaches its maximum height. It is not appropriate for a 21-week gestation measurement. At this stage, the fundus has not yet reached the xiphoid process, making this landmark incorrect for current assessment.
Correct Answer is A
Explanation
Peripheral arterial disease (PAD) results from progressive atherosclerotic narrowing of peripheral arteries, most commonly in long-term smokers and older adults. Reduced arterial blood flow leads to ischemia during increased oxygen demand, such as walking or exertion. This manifests as predictable muscle pain that is relieved with rest when oxygen demand decreases. The classic symptom pattern is important for distinguishing arterial insufficiency from venous or infectious conditions.
Rationale:
A. Intermittent claudication is the correct documentation because it describes exertional leg pain caused by inadequate arterial blood flow due to atherosclerotic narrowing. The pain typically occurs during activity and is relieved within minutes of rest as oxygen demand decreases. It is a hallmark symptom of peripheral arterial disease, especially in patients with a significant smoking history.
B. Chronic venous insufficiency is characterized by venous valve incompetence leading to pooling of blood in the lower extremities. It typically presents with leg swelling, aching, skin discoloration, and ulcerations near the ankles rather than exertional cramping pain. Symptoms are usually worse with prolonged standing and improve with leg elevation, not rest after walking.
C. Acute lymphangitis is an infection of the lymphatic vessels, commonly presenting with red streaking along the affected limb, fever, and localized tenderness. It is an acute inflammatory condition rather than a chronic exertional pain syndrome. The absence of systemic infection signs and the exertional pattern of pain make this diagnosis unlikely.
D. retrograde filling defect (often assessed via the Trendelenburg test for veins) refers to an abnormality in how the veins refill after being emptied, indicating valvular incompetence in the superficial or communicating veins. This is a physical exam finding related to varicose veins and venous reflux. It does not describe the subjective symptom of exertional muscle cramping, which is an arterial hemodynamic issue rather than a venous structural one.
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