The physician has ordered vasopressin for a client with bleeding esophageal varices. What is the action of vasopressin in the control of bleeding?
A. Constriction of preportal splanchnic arterioles
B. Inducing the release of clotting factors II, VII, IX, and X
C. Increasing portal pressure, thus decreasing portal blood flow
D. Decreasing contraction of smooth muscle in the vascular bed
A
Vasopressin acts to cause contraction of smooth muscle in the vascular bed, constricting preportal splanchnic arterioles and decreasing blood flow to the abdominal organs, which in turn reduces portal pressure and portal blood flow.
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A client receiving heparin therapy for deep venous thrombosis (DVT) complains of severe chest pain and shortness of breath. Suspecting a pulmonary embolism, which is the priority action by the nurse?
A) Assess pulse, respirations, and blood pressure. B) Apply oxygen and elevate the head of the bed. C) Reassure the client and notify family members. D) Increase the rate of heparin infusion.
Which statements are true regarding the selective serotonin reuptake inhibitors (SSRIs)?
(Select all that apply.) a. Avoid foods and beverages that contain tyramine. b. Monitor the patient for extrapyramidal symptoms. c. Therapeutic effects may not be seen for about 4 to 6 weeks after the medication is started. d. If the patient has been on an MAOI, a 2- to 5-week or longer time span is required before beginning an SSRI medication. e. These drugs have anticholinergic effects, including constipation, urinary retention, dry mouth, and blurred vision. f. Cogentin is often also prescribed to reduce the adverse effects that may occur.
Which type of chemotherapy drug causes tissue damage on direct contact?
a. Cyclins b. Vesicants c. Biologics d. Emetogenics
A client experiencing the typical physical limitations associated with myositis shows the nurse he is achieving independence by reporting that: Select all that apply
1. On a daily basis, he is capable of providing 80% of self-care independently. 2. He has not been injured as a result of a fall in the last 6 months. 3. Nonsteroidal anti-inflammatory medications allow for a pain rating of 3 out of 10. 4. He is considering reducing physical therapy (PT) visits by two visits a month. 5. The rash on his face and neck has diminished drastically.