A nurse is educating a client about why they are able to feel a hard lump over the site of the injury. Which client statement indicates an understanding of the teaching?
That lump will need to be watched. It might become cancerous.
That lump is an indication that I have a clotting disorder and I need to follow up with a hematologist.
When I injured myself, there was a gap in those muscle fibers and that allowed blood to accumulate.
I can expect to have that lump for the rest of my life. It will never go away.
The Correct Answer is C
Choice A reason: A traumatic hematoma or muscle contusion is a localized collection of extravasated blood within tissues resulting from vascular disruption. It is a benign inflammatory and reparative response to trauma, not a neoplastic process; therefore, suggesting it might become cancerous demonstrates a fundamental misunderstanding of the etiology of trauma-induced tissue lesions.
Choice B reason: While hematoma formation involves blood, it occurs as a local response to blunt force trauma that tears small blood vessels. It is not an indicator of a systemic coagulopathy or hematological disorder in the absence of other symptoms such as spontaneous bruising, petechiae, or excessive gingival bleeding.
Choice C reason: When blunt trauma causes a muscle tear or disruption in the myofibrillar architecture, the resulting damage to local vasculature leads to the extravasation of blood into the interstitial spaces. This hematoma initially feels firm or "hard" as the blood pools and begins to coagulate within the limited space of the muscle compartment.
Choice D reason: Hematomas are dynamic, self-limiting lesions. Over time, the body initiates a resorption process where macrophages and other inflammatory cells break down the coagulated blood and heme products. Most traumatic hematomas resolve spontaneously through this physiological remodeling, meaning the assertion that the lump is permanent is clinically incorrect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Vitamin D is not produced in the large intestine. Its synthesis begins in the skin upon exposure to ultraviolet B radiation, followed by metabolic activation in the liver and kidneys, playing a crucial role in calcium homeostasis and bone mineralization rather than large intestinal metabolic pathways.
Choice B reason: The primary physiological function of the large intestine is the absorption of water and electrolytes from indigestible food matter. This reabsorption process is essential for converting liquid chyme into solid, compact fecal matter, maintaining fluid balance and preventing dehydration before the final expulsion of waste.
Choice C reason: Chemical digestion through the secretion of specialized enzymes occurs primarily in the stomach and the small intestine, specifically via pancreatic and brush-border enzymes. The large intestine does not secrete digestive enzymes; it primarily focuses on microbial fermentation of remaining carbohydrates and absorption of water.
Choice D reason: The prevention of reflux from the stomach into the esophagus is the function of the lower esophageal sphincter, a specialized ring of smooth muscle located at the gastroesophageal junction. The large intestine is anatomically located in the lower abdomen and has no role in managing esophageal or gastric reflux.
Correct Answer is D
Explanation
Choice A reason: While a foreign body can cause airway obstruction and localized wheezing, it is not the physiological explanation for the diffuse airway changes seen in pneumonia. Pneumonia involves generalized inflammation, whereas foreign body obstruction is typically sudden and localized to a specific bronchial branch.
Choice B reason: While fluid in the alveoli is a hallmark of pneumonia and leads to impaired gas exchange, this physiological process is more directly related to the finding of crackles (rales) due to the air moving through fluid-filled spaces rather than the wheezing associated with bronchial narrowing.
Choice C reason: Increased surface tension in alveoli is characteristic of respiratory distress syndrome (RDS) due to a surfactant deficiency. While it prevents full expansion and causes respiratory distress, it does not typically manifest as wheezing, which is a sound produced by the high-velocity movement of air through constricted airways.
Choice D reason: In pediatric pneumonia, the inflammatory response often leads to significant mucosal edema, cellular infiltration, and the production of viscous secretions within the bronchioles. This narrowing of the airway lumen increases resistance to airflow, causing the turbulence heard as wheezing, and forces the use of accessory muscles, resulting in retractions.
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