During a pharmaceutical class, Dr. Patrick explains how a certain class of antipsychotic drugs prevents dopamine from producing its effects by blocking specific membrane receptors for dopamine. As a result, dopamine cannot stimulate its receptors to trigger certain cellular functions, and its effects are no longer experienced. After the discussion, Dr. Patrick asks his students to describe the action of the antipsychotic drugs. Which of the following responses from his students is the most accurate?
A. The antipsychotic drugs act as antagonists.
B. The antipsychotic drugs act as inducers.
C. The antipsychotic drugs act as modulators.
D. The antipsychotic drugs act as agonists.
Answer: A
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Approximately how old does the nurse assess a large green bruise on the thigh of a 4-year-old to be?
a. 2 days b. 4 days c. 6 days d. 8 days
A female patient has just found a large lump in her breast. The health care provider needs to perform a breast biopsy. The nurse assists the patient into the proper position and offers support during the biopsy. What is the nurse doing?
a. Creating a healing environment b. Fulfilling affiliation needs c. Providing a sense of presence d. Demonstrating an encouraging manner
An adult female calls a crisis hotline stating that she moved a few months ago to seek a new job "in a big city."
She is crying and says that she doesn't think she can stand being so lonely anymore but doesn't want to move back to her small home town and face her family and friends as a "failure." What is the nurse's first response? a. "Would you like me to call your family to assist you in deciding what is best for you to do?" b. "I am sure you will make friends once you find a steady job that you like." c. "Can you tell me what you mean by your statement that you don't think you can stand being lonely anymore?" d. "Let me give you a list of some social groups that might be of interest to you."
The school-age child, diagnosed with a medulloblastoma, will receive intrathecal chemotherapy injections after surgery. Which rationale for this type of chemotherapy administration should the nurse include in the medication teaching?
1. It reduces side effects. 2. It does not require the child being "stuck." 3. Many chemotherapy drugs do not cross the blood–brain barrier. 4. Intrathecal administration is less expensive than intravenous administration.