What is vasogenic cerebral edema? correct answers Vasogenic cerebral edema is an increase in extracellular fluid caused by a breakdown of the blood-brain
... [Show More] barrier with the resultant increase in vascular permeability. This cerebral edema begins locally and becomes more generalized. Common causes are trauma (including surgical trauma), tumors, hemorrhage, and abscesses
What ventilator parameter indicates fluid volume excess? correct answers An A:a gradient greater than 10 mm Hg is a reflection of a diffusion defect. Note that the process of diffusion is between A (alveolus) and (a) arterial blood. An increase in intraalveolar fluid dilutes and inactivates surfactant, causing alveolar collapse (decreasing vital capacity) and decreases lung compliance. Peak inspiratory pressure increases reflect a decrease in lung compliance
What does autonomy refer to? correct answers The patient's right to make decisions for themselves
What does beneficence mean? correct answers Obligation to do good
What does nonmaleficence mean? correct answers Obligation to do no harm
What does fidelity mean? correct answers the obligation to abide by agreements and responsibilities
What does veracity mean? correct answers The obligation to tell the truth
What are Diagnosis-Related groups? correct answers DRGs constitute a prospective payment program for Medicare patients. Payment is based on primary and secondary diagnosis, primary and secondary procedures, age, and length of hospitalization
BNP is secreted in response to? correct answers Ventricular wall stretch
What are omnious signs in a patient with status asthmaticus? correct answers A normalization or increase in the PaCO2. This patient is still tachypneic, and if ventilation is normal, PaCO2 should be decreased. The other ominous sign in this patient would be absence of wheezing or rhonchi, because they would indicate that ventilation is insufficient to cause these noises.
What problems arise from losses from the GI tract? correct answers Any loss results in hypokalemia. Vomiting results in loss of acidic contents, whereas losses below the pylorus result is alkalitic losses leading to metabolic acidosis. Fluid is sequestered in the intestine leading to hypovolemia, which could cause hypovolemic shock.
Actual problems are worse than potential problems!! correct answers
How can you differentiate the cause of jaundice? correct answers An increase in direct bilirubin is associated with biliary obstruction because direct bilirubin is conjugated. An increase in [Show Less]