The nurse admits a client with sepsis and has developed cool ecchymotic fingertips and toes. The healthcare provider determines that the client has developed disseminated intravascular coagulation (DIC). Which findings support the pathophysiology of DIC?

Glucosuria and lethargy.

Frothy urine and anorexia.

Hematuria and hemoptysis.

Polyuria and productive cough.

Answer and Explanation

The Correct Answer is C

Disseminated intravascular coagulation (DIC) is a serious condition characterized by widespread activation of coagulation throughout the body, leading to both thrombosis and hemorrhage. Here's why option C is the correct choice:

A) Glucosuria and lethargy:

Glucosuria (presence of glucose in the urine) and lethargy are not typical findings associated with DIC. Glucosuria may indicate diabetes mellitus or renal dysfunction, while lethargy can result from various causes but is not specific to DIC.

B) Frothy urine and anorexia:

Frothy urine may indicate proteinuria, which can occur in conditions such as nephrotic syndrome, but it is not a characteristic finding of DIC. Anorexia (loss of appetite) is a nonspecific symptom that can occur in many conditions but is not directly related to DIC.

C) Hematuria and hemoptysis:

Correct. Hematuria (blood in the urine) and hemoptysis (coughing up blood) are common manifestations of DIC. In DIC, widespread activation of the coagulation cascade can lead to microthrombi formation in small blood vessels, resulting in tissue ischemia and bleeding. Hematuria and hemoptysis can occur due to bleeding from the urinary tract or respiratory system, respectively, as a result of DIC-induced coagulopathy.

D) Polyuria and productive cough:

Polyuria (excessive urination) and productive cough (cough with production of sputum) are not specific findings of DIC. Polyuria may occur in conditions such as diabetes mellitus or diuretic use, while productive cough can be seen in respiratory infections or chronic lung diseases but is not directly related to DIC.

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Correct Answer is B

Explanation

A) Nerve degeneration due to chronic gastric reflux:

Nerve degeneration due to chronic gastric reflux may lead to conditions such as gastroesophageal reflux disease (GERD) or esophagitis, but it is not directly related to the clinical presentation of intestinal obstruction. Symptoms of GERD or esophagitis typically include heartburn, regurgitation, and dysphagia rather than severe, colicky abdominal pain, nausea, vomiting, and abdominal distention.

B) Volvulus that occurred during an appendectomy:

Correct. Volvulus refers to the twisting of a segment of the intestine around its mesentery, leading to obstruction of the bowel lumen and compromising blood flow to the affected area. In this scenario, the client's clinical presentation of severe, colicky abdominal pain, nausea, vomiting, and abdominal distention is consistent with symptoms of intestinal obstruction, which can occur secondary to volvulus. Volvulus may result from various factors, including prior abdominal surgeries, such as an appendectomy, leading to abnormal positioning or adhesions within the abdomen.

C) Esophagitis due to reflux of gastric contents:

Esophagitis due to reflux of gastric contents can cause symptoms such as heartburn, chest pain, and difficulty swallowing, but it is not typically associated with severe, colicky abdominal pain, nausea, vomiting, and abdominal distention characteristic of intestinal obstruction.

D) A history of having Helicobacter pylori infection:

Helicobacter pylori infection is associated with conditions such as peptic ulcer disease and gastritis, but it is not directly related to the clinical presentation of intestinal obstruction. Symptoms of H. pylori infection may include abdominal pain, nausea, and vomiting, but they are not typically colicky and severe as those seen in intestinal obstruction.

A. Arterial blood pH 7.5 and bicarbonate level 32 mEq/L (32 mmol/L). B. Arterial blood pH 7.42 and bicarbonate level 18 mEq/L (18 mmol/L). C. Arterial blood pH 7.25 and bicarbonate level 10 mEq/L (10 mmol/L). D. Arterial blood pH 7.38 and bicarbonate level 29 mEq/L (29 mmol/L).

Correct Answer is C

Explanation

DKA is a serious complication of diabetes mellitus characterized by hyperglycemia, ketosis, and metabolic acidosis. The laboratory results consistent with DKA include:

Elevated blood glucose level: A blood glucose level of 525 mg/dL (28 mmol/L) is significantly elevated and consistent with DKA.

Low arterial blood pH: A decreased arterial blood pH indicates acidosis, which is characteristic of DKA. Normal arterial blood pH ranges from 7.35 to 7.45.

Low bicarbonate (HCO3-) level: A low bicarbonate level indicates metabolic acidosis, which is also characteristic of DKA. Normal bicarbonate levels range from 21 to 28 mEq/L (21 to 28 mmol/L).

Among the options provided:

A) Arterial blood pH 7.5 and bicarbonate level 32 mEq/L (32 mmol/L):

This pH and bicarbonate level are indicative of alkalosis, which is not consistent with DKA.

B) Arterial blood pH 7.42 and bicarbonate level 18 mEq/L (18 mmol/L):

This pH is within the normal range, and the bicarbonate level is slightly decreased but not indicative of metabolic acidosis consistent with DKA.

C) Arterial blood pH 7.25 and bicarbonate level 10 mEq/L (10 mmol/L):

Correct. This pH is decreased, indicating acidosis, and the bicarbonate level is significantly below the normal range, consistent with metabolic acidosis characteristic of DKA.

D) Arterial blood pH 7.38 and bicarbonate level 29 mEq/L (29 mmol/L):

While the pH is within the normal range, the bicarbonate level is elevated, which is not consistent with metabolic acidosis seen in DKA.

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The nurse admits a client with sepsis and has developed cool ecchymotic fingertips and toes. The healthcare provider determines that the client has developed disseminated intravascular coagulation (DIC). Which findings support the pathophysiology of DIC?

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Naxlex Comprehensive Predictor Exams

The nurse is caring for a client with intestinal obstruction who presents with severe, colicky abdominal pain, nausea, vomiting, and abdominal distention. Which pathophysiologic mechanism supports the client's clinical presentation?

Correct Answer is B

Explanation

Correct Answer is C

Explanation

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