A 60-year-old patient experienced a sudden onset of chest pain and shortness of breath and was subsequently diagnosed with a pulmonary embolism in the emergency department. The patient has been started on an intravenous heparin infusion. How does this drug achieve therapeutic effect?
A) By promoting the rapid excretion of vitamin K by the gastrointestinal mucosa
B) By inhibiting the action of vitamin K at its sites of action
C) By inhibiting platelet aggregation on vessel walls and promoting fibrinolysis
D) By inactivating clotting factors and thus stopping the coagulation cascade
D
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Each complaint of people with HIV/AIDS must be carefully investigated, because CNS problems can be mistaken for
1. anxiety. 2. delusions. 3. compulsions. 4. psychiatric problems.
A nurse is attending a class on the monitoring of hemodynamics. The instructor asks the nurse to list the primary functions of the circulatory system. The nurse would be correct to list which of the following functions? (Select all that apply.)
a. Delivery of oxygen to the cells b. Delivery of carbon dioxide to the cells c. Removal of electrolytes from the cells d. Delivery of hormones to the cells e. Removal of metabolic wastes from the cells
Combinations of amino acids link together to form
a. protein. b. carbohydrates. c. dietary fiber. d. lipids.
When giving insulin injections subcutaneously, what area on the abdomen must be avoided and by how many inches of radius?
What will be an ideal response?