The patient scheduled for a CT scan with contrast medium questions the nurse why the technologist asked her if she had any food allergies. Which response by the nurse is correct?
a. "The dye used for a CT scan is egg based, so egg allergies would prevent you from having the test."
b. "People who are allergic to dairy products are likely to be allergic to CT scan dye."
c. "Allergies to shellfish can be a problem because shellfish and CT scan dye are iodine based."
d. "Wheat is the preservative used in CT scan dye, so allergies to wheat may cause allergies to the dye."
C
Allergies to seafood indicate intolerance to iodine. This means there is potential for an allergic reaction to iodine-based contrast agents used in radiologic imaging studies such as CT scans with contrast medium.
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The nurse, reviewing modes of transmission of microorganisms, realizes that an example of contact transmission of an infectious agent would be transmission of:
a. tuberculosis in respiratory secretions. b. cholera in drinking water. c. Lyme disease by a tick bite. d. syphilis by sexual intercourse.
A newly licensed nurse has overheard a nurse telling a patient a joke. The nurse tells the preceptor, "I don't think that nurse is being respectful of the patient's diagnosis by telling jokes." What response by the preceptor is indicated?
1. "When you have more experience you will understand the value of a good joke." 2. "We try not to eavesdrop on other nurses' conversations with patients." 3. "Sometimes that nurse's jokes do get old." 4. "Sometimes laughing and joking can help us connect better with the patient."
Which statement concerning the pathophysiology of multiple sclerosis (MS) is true?
A. Poor cellular repair mechanisms support the proliferation of dysfunctional neu-rons. B. The autoimmune response causes damage to unmyelinated nerve fibers. C. Degeneration of axonal bodies interferes with signal transmission. D. Damage to the myelin sheath causes an inflammatory response.
A patient in the intensive care unit begins to demonstrate agitation and picks at his clothes and intravenous lines. The nurse realizes this patient is exhibiting
1. hyperactive delirium. 2. hypoactive delirium. 3. hyperactive dementia. 4. mixed dementia.