The nurse practitioner suspects that a 41-year-old man has a GI bleed. Which of the following is correct about upper versus lower GI bleeds?
Lower GI bleeding may present as hematemesis, which is the regurgitation of blood or blood mixed with stomach contents.
Black, tarry stool, also called melena, is indicative of a lower gastrointestinal disease that causes bleeding.
Black, tarry stool, also called melena, is indicative of an upper gastrointestinal disease that causes bleeding.
Upper GI bleeding may present as hematochezia, which is the passing of bright red blood via the rectum.
The Correct Answer is C
Choice A reason: Hematemesis is the vomiting of blood and is a hallmark sign of upper GI bleeding, not lower. It typically results from bleeding in the esophagus, stomach, or duodenum. Lower GI bleeding does not cause hematemesis because the bleeding occurs distal to the stomach and is not regurgitated.
Choice B reason: Melena refers to black, tarry stools caused by the digestion of blood in the gastrointestinal tract. It is a sign of upper GI bleeding, not lower. The blood must be exposed to digestive enzymes long enough to change color and consistency, which occurs in the upper GI tract.
Choice C reason: Melena is most commonly associated with upper GI bleeding, particularly from sources such as peptic ulcers, esophageal varices, or gastric erosions. The dark color results from hemoglobin breakdown during transit through the GI tract, confirming an upper origin.
Choice D reason: Hematochezia, or the passage of bright red blood per rectum, is typically associated with lower GI bleeding, such as from the colon or rectum. While rapid upper GI bleeding can occasionally present this way, it is not the typical presentation and should not be used to define upper GI bleeding.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Primary syphilis typically presents with a painless chancre at the site of inoculation. It does not cause a strawberry-like appearance of the cervix. Syphilitic lesions are ulcerative and not associated with the described colposcopic finding.
Choice B reason: Herpes simplex virus (HSV) causes painful vesicular or ulcerative lesions on the genital mucosa. It does not produce the characteristic strawberry cervix appearance seen in colposcopy.
Choice C reason: Human papillomavirus (HPV) is associated with cervical dysplasia and warts. Colposcopic findings may include acetowhite changes, mosaicism, or punctation, but not the strawberry cervix appearance.
Choice D reason: Trichomonas vaginalis infection is classically associated with a "strawberry cervix," which refers to punctate hemorrhages on the cervical mucosa. This is a hallmark finding in trichomoniasis and supports the diagnosis.
Correct Answer is A
Explanation
Choice A reason: Blurred vision is the hallmark early symptom of cataract formation. It results from the clouding of the lens, which scatters light and reduces visual clarity. Patients often describe difficulty reading, glare sensitivity, and needing more light for tasks.
Choice B reason: Headache is not a typical symptom of cataracts. It may occur with other ocular conditions like glaucoma or refractive errors but is not a primary indicator of lens opacity.
Choice C reason: Floaters are associated with vitreous degeneration or retinal detachment, not cataracts. They appear as spots or threads in the visual field and are unrelated to lens changes.
Choice D reason: Eye strain may occur with uncorrected refractive errors or prolonged screen use but is not a defining feature of cataracts. It lacks the specificity and diagnostic relevance of blurred vision.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.