Intravenous vasopressin (Pitressin) has been ordered for a patient with recurrent esophageal varices causing upper gastrointestinal hemorrhage. What is the purpose of this therapy?
A) Increases systemic blood pressure in shock
B) Increases myocardial oxygen use and demand
C) Reduces blood flow to the mesenteric circulation
D) Causes constriction of the splanchnic arteries
D
You might also like to view...
During discharge teaching to parents of a child hospitalized with sickle-cell crisis, the nurse should emphasize which of the following as a priority home care intervention?
1. Encouraging adequate hydration 2. Promotion of a diet high in protein 3. Restriction of activities 4. Rapid weaning of pain medications
A patient has a poor prognosis after being involved in a motor vehicle accident resulting in a head injury
As the patient's ICP increases and condition worsens, the nurse knows to assess for indications of approaching death. These indications include which of the following? A) Hemiplegia B) Dry mucous membranes C) Signs of internal bleeding D) Loss of brain stem reflexes
The presence of which medical diagnosis in a client would make it most likely that a nurse may need to use medical coercion?
a. Human immunodeficiency virus (HIV) b. Depression c. Schizophrenia d. Hypertension
Which statement is true regarding the physical manifestations of vitamin B12 deficiency anemia?
a. Vitamin B12 deficiency anemia seldom results in neurologic symptoms. b. The chances of a cure are good with appropriate treatment. c. The condition is reversible in 75% of the cases. d. Symptoms are a result of demyelination.