Questions

DIRECTIONS Each question below contains five suggested responses. Choose the one best response to each question. 513. A 60-year-old male with history of benign prostatic hypertrophy presents complaining of nausea and vomiting. Laboratory values include serum Na of 145 mmol L, blood urea nitrogen (BUN) of 45 mg dL, creatinine of 2.0 mg dL, urine Na of 10, and urine creatinine of 80. Which of the following is the MOST likely diagnosis (B) Acute tubular necrosis (ATN) 514. All of the following can...

Answers

The answer is C. (Chapter 71) A nasogastric tube (NGT) is useful for diagnostic purposes in the setting of gastrointestinal (GI) bleeding most cases of esophageal injuries are due to ingestion, intestinal obstruction, and multisystem trauma. An NGT should not be attempted in patients with actual or suspected perforations of the esophagus, nearly complete obstruction of the esophagus due to benign or malignant strictures, or the presence of an esophageal foreign body. Patients with...

Questions 300301

A patient presents to the ED and has the following laboratory values sodium 139 mEq L, potassium 4.1 mEq L, chloride 112 mEq L, bicarbonate 15 mEq L, blood urea nitrogen BUN 22, creatinine 1.5, and glucose 180. All of the following could be the etiology of these laboratory findings EXCEPT B renal tubular acidosis, type II 301. What is the calculated osmolarity for the patient in question 300 302. Syndrome of inappropriate antidiuretic hormone SIADH secretion can be caused by each of the...