Toxic substances have received a great deal of attention in governmental regulations and the news media. When determining ways to control the effects of exposure, the nurse must consider the anticipated risk
Anticipated risk is primarily determined by what characteristic of a substance?
A) Toxicity
B) Prevalence
C) Neurotoxic effect
D) Amount in the environment
Ans: A
Both the toxicity of the substance and the expected exposure to the organism must be considered to define the anticipated risk. The prevalence, neurotoxic effect, and the amount in the environment are not considered primary in determining the anticipated risk.
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1. A PR interval longer than 0.20 seconds 2. An elevated ST segment 3. A QRS segment longer than 0.12 seconds 4. A PR interval that lengthens with each beat
A patient suffered an acute T6 spinal cord injury. Family has been told that the patient will likely be paraplegic. However, this morning the patient has limited use of her arms. How should the nurse explain this change?
1. "There must be a second area of fracture higher in the spine." 2. "The spinal cord is probably swollen above the area of original injury." 3. "These changes are due to the low blood pressure she had before she got to the hospital." 4. "This is a sign that she is dehydrated and will go away as we give her more IV fluids."
Mr. D is an African American diabetic who is 60 years old. His weight is 190 pounds and his BMI > 25. He has several co-morbid conditions including hypertension, hyperlipidemia, and smoking
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The client has been ordered treatment with Sinemet. He tells the nurse that he has previously been diagnosed and treated for malignant melanoma. What is the best response from the nurse?
a. "The medication does not have any effect on diseases such as malignant melanoma." b. "The medication is contraindicated when you have had malignant melanoma." c. "The medication will prevent a recurrence of malignant melanoma." d. "The medication may lead to a recurrence of malignant melanoma."