A 29-year-old pregnant woman complains of severe vomiting, which has persisted for 2 days. During your assessment, she vomits a large amount of blood and begins to develop signs of shock. You should suspect:
A. esophagitis.
B. gastroenteritis.
C. esophageal varices.
D. Mallory-Weiss syndrome.
Answer: D. Mallory-Weiss syndrome.
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Indicate whether the statement is true or false
What is the name of a nonpathological small sac that contains synovial fluid?
a. bursa b. canaliculi c. ganglion d. osteocytes
What is seen on axial CT images at the same level as the bifurcation of the trachea?
A) the first appearance of the IVC B) the pulmonary trunk and its branches, the right and left pulmonary arteries C) the pulmonary veins D) the formation of the SVC by the merger of the right and left brachiocephalic veins
Which of the following is a strategy to decrease ventilator-associated pneumonias?
A. preoxygenating the patient with oxygen prior to suction B. change of ventilator circuit only when visibly soiled C. instilling asaline solution directly into the airway for the purpose of thinning the secretions D. using manual ventilation bags when needed