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

Which of the following is the MOST common effect of pregnancy on an asthma patient (A) An improvement in respiratory function (B) An exacerbation of asthma symptoms (C) A decrease in asthma symptoms (D) A worsening in overall respiratory function (E) An increase in maternal complications and perinatal mortality 462. Which one of the following pulmonary function tests is the MOST useful at the bedside (A) Peak expiratory flow rate (PEFR) (B) Forced expiratory volume in 1 s (FEV1) (C) Forced...

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...