A patient experiences residual effects following an acute attack of Ménière's disease and receives a new prescription for an antihistamine. Which assessment finding indicates that the medication is effective?

Choice A reason: This is correct because performing a bedside pregnancy test is the intervention that should be implemented immediately by the nurse. This is to confirm or rule out pregnancy and inform the surgical team of any possible risks or complications that may affect the client or the fetus.

Choice B reason: This is incorrect because continuing with surgery as scheduled is not an appropriate intervention without verifying the pregnancy status of the client. Surgery may pose serious threats to both maternal and fetal health, such as bleeding, infection, anesthesia complications, or miscarriage.

Choice C reason: This is incorrect because calculating gestation from last menstrual cycle is not an accurate or reliable method of determining pregnancy. The menstrual cycle can vary widely among women and may be affected by various factors such as stress, illness, or medication.

Choice D reason: This is incorrect because notifying the surgical team to cancel the surgery is not a necessary intervention unless pregnancy is confirmed. Appendicitis is a medical emergency that requires prompt surgical treatment to prevent rupture, peritonitis, or sepsis.

Choice A reason: Presenting a calm, supportive demeanor is an appropriate intervention for a client who is experiencing anxiety and hallucinations. The nurse should use a soothing tone of voice, maintain eye contact, and avoid arguing or challenging the client's perceptions. This can help reduce the client's agitation and promote trust.

Choice B reason: Reorienting to day and time frequently is an appropriate intervention for a client who is experiencing anxiety and hallucinations. The nurse should provide reality-based information and reminders about the client's situation, such as the reason for hospitalization, the name of the nurse, and the expected plan of care. This can help the client regain a sense of orientation and control.

Choice C reason: Administering an as needed (PRN) dose of lorazepam is an appropriate intervention for a client who is experiencing anxiety and hallucinations. Lorazepam is a benzodiazepine that can reduce anxiety, agitation, and psychotic symptoms by enhancing the effects of gamma-aminobutyric acid (GABA), an inhibitory neurotransmitter in the brain. The nurse should monitor the client's vital signs, level of sedation, and risk of falls after giving the medication.

Choice D reason: Turning the television on for distraction is not an appropriate intervention for a client who is experiencing anxiety and hallucinations. The television can increase the sensory stimulation and confusion for the client, and may worsen the hallucinations or delusions. The nurse should provide a quiet and safe environment for the client.

Choice E reason: Applying soft wrist restraints bilaterally is not an appropriate intervention for a client who is experiencing anxiety and hallucinations. Restraints can increase the anxiety and agitation for the client, and may cause physical or psychological harm. The nurse should use restraints only as a last resort when other less restrictive measures have failed to protect the client or others from harm.