Which of the following statements is true of antipsychotic drugs?
A. Antipsychotic drugs stimulate both D2 and 5HT2A receptors.
B. Antipsychotic drugs produce their pharmacological effects by blocking or reducing the effects of dopamine.
C. Antipsychotic drugs increase dopaminergic activity.
D. Antipsychotic drugs facilitate the binding of serotonin to its receptors.
Answer: B
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A patient has a small, red, scaling lesion that is sitting on an elevated base on the forehead. The patient states that lesion began several weeks before and will not heal. What type of lesion does the nurse consider the patient is experiencing?
1. squamous cell carcinoma 2. melanoma 3. psoriasis 4. seborrheic keratosis
A client at 36 weeks' gestation is complaining of dyspnea when lying flat. What is the clinical reason for this complaint?
1. Maternal hypertension 2. Fundal height 3. Hydramnios 4. Congestive heart failure
When the newly diagnosed insulin-dependent diabetic client tells the nurse that he has never received instruction on the administration of injections, an appropriately stated nursing diagnosis for the client is
A) Self-care deficit related to lack of knowledge about injections B) Knowledge deficit related to lack of knowledge about injections C) Deficient knowledge of injection administration as verbalized by the client related to the lack of instruction and experience D) Ineffective healthcare maintenance related to diabetic instructions
While assessing the ears of an 8-year-old client, the nurse observes white spots on the tympanic membrane with no redness present. Which action would be most appropriate?
A) Assess the client for trauma to the skull. B) Determine whether impacted cerumen is present. C) Ask the mother whether the child has had numerous ear infections. D) Assess the child for further symptoms of acute otitis media.