A nurse is preparing to administer diphenhydramine 50 mg PO every 6 hr to a client who has acute dystonia. The available medication is diphenhydramine 25 mg tablets.
How many tablets should the nurse administer per dose?
The Correct Answer is ["2"]
The nurse should administer 2 tablets per dose.
Rationale:
Step 1: Determine the desired dose of diphenhydramine. The desired dose is 50 mg.
Step 2: Determine the available tablet strength. The available tablet strength is 25 mg.
Step 3: Divide the desired dose by the tablet strength to determine the number of tablets needed. 50 mg / 25 mg/tablet = 2 tablets
Therefore, the nurse should administer 2 tablets of diphenhydramine 25 mg per dose to achieve the desired dose of 50 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
Choice B rationale:
Male gender is a significant risk factor for suicide. Men are more likely to die by suicide than women, with rates being approximately 3.5 times higher in men than women in the United States.
Several factors contribute to this increased risk:
Men are less likely to seek help for mental health issues. This may be due to societal expectations of masculinity, which often discourage men from expressing emotions or seeking help for emotional distress.
Men are more likely to use more lethal means of suicide. For example, men are more likely to use firearms, which have a higher fatality rate than other methods such as poisoning or cutting.
Men may be more likely to experience social isolation and loneliness. These factors can increase the risk of suicide, as they can lead to feelings of hopelessness and despair.
Men may be more likely to experience substance abuse problems. Substance abuse can increase the risk of suicide, as it can impair judgment and impulse control, and can also lead to feelings of hopelessness and despair.
Choice C rationale:
Recent marriage is not a risk factor for suicide. In fact, some studies have shown that marriage may have a protective effect against suicide.
However, it's important to note that relationship problems, including separation, divorce, or domestic violence, can be significant risk factors for suicide.
Choice D rationale:
Age greater than 55 is a risk factor for suicide. Suicide rates are highest among older adults, particularly among men aged 85 and older.
Several factors contribute to this increased risk:
Older adults are more likely to experience chronic health conditions and pain. These conditions can lead to feelings of hopelessness and despair, and can also make it more difficult to cope with stress.
Older adults are more likely to experience social isolation and loneliness. These factors can increase the risk of suicide, as they can lead to feelings of hopelessness and despair.
Older adults are more likely to experience bereavement and loss. The loss of a spouse, family members, or friends can be a major stressor, and can increase the risk of suicide.
Choice E rationale:
Diagnosis of schizophrenia is a significant risk factor for suicide.
People with schizophrenia are approximately 10 times more likely to die by suicide than the general population. Several factors contribute to this increased risk:
Schizophrenia is a severe mental illness that can cause significant distress and impairment.
People with schizophrenia may experience hallucinations, delusions, and disorganized thinking. These symptoms can be very distressing and can lead to feelings of hopelessness and despair.
People with schizophrenia may also experience social isolation and stigma. These factors can further increase the risk of suicide.
Correct Answer is D
Explanation
Choice A: History of bulimia nervosa: While eating disorders can be comorbid with self-harm, bulimia nervosa specifically is not a strong independent risk factor for self-harm. The focus of bulimia nervosa lies on purging behaviors to counteract weight gain, and while self-harm can co-occur, it's not directly linked to the core symptoms of the eating disorder.
Choice B: Parent with dependent personality disorder: Personality disorders in family members can create complex family dynamics and contribute to emotional distress, but inheriting a personality disorder is not possible.
Additionally, dependent personality disorder specifically is characterized by excessive reliance on others, not behaviors associated with increased risk for self-harm.
Choice C: Recent promotion at work: Positive life events like a promotion are unlikely to directly increase the risk of self-harm. In fact, achieving goals and milestones can be protective factors for mental health.
Choice D: Borderline personality disorder: Borderline personality disorder (BPD) is a well-established risk factor for self-harm. Individuals with BPD often experience emotional dysregulation, impulsivity, and fear of abandonment, which can lead to self-injurious behaviors as a coping mechanism. The intense emotions and unstable interpersonal relationships associated with BPD make individuals more vulnerable to engaging in self-harm to manage overwhelming distress.
Further Explanation:
BPD is characterized by a pattern of five or more of the following symptoms:
Fear of abandonment: Frantic efforts to avoid real or imagined abandonment.
Unstable relationships: Intense and unstable relationships with a pattern of idealization and devaluation. Identity disturbance: Markedly unstable sense of self-image or self-worth.
Impulsivity: In at least two areas that are potentially damaging (e.g., spending, unsafe sex, substance abuse). Suicidality: Recurrent suicidal threats, gestures, or attempts, or self-mutilating behavior.
Affective instability: Marked mood swings (e.g., intense episodes of anger, dysphoria, anxiety, or despair lasting a few hours and up to a few days).
Chronic emptiness: Feelings of emptiness or boredom.
Dissociation: Transient, stress-related episodes of derealization or depersonalization.
Research indicates that individuals with BPD have a significantly higher risk of self-harm compared to the general population, with estimates ranging from 70% to 90%. This increased risk is attributed to several factors associated with BPD, such as:
Emotional dysregulation: Difficulty managing intense emotions, leading to self-harm as a way to cope with overwhelming distress.
Impulsivity: Engaging in harmful behaviors without considering the consequences, including self-harm.
Fear of abandonment: Self-harm can be used as a way to punish oneself or manipulate others to prevent perceived abandonment.
Negative self-image: Low self-esteem and feelings of worthlessness can contribute to self-harming behaviors as a form of self-punishment.
Conclusion:
While other factors may contribute to self-harm risk, borderline personality disorder remains a significant and well- established risk factor. A mental health nurse reviewing a client's medical record should prioritize identifying BPD as a potential indicator of increased risk for self-harm behaviors.
Choice A: History of bulimia nervosa: While eating disorders can be comorbid with self-harm, bulimia nervosa specifically is not a strong independent risk factor for self-harm. The focus of bulimia nervosa lies on purging behaviors to counteract weight gain, and while self-harm can co-occur, it's not directly linked to the core symptoms of the eating disorder.
Choice B: Parent with dependent personality disorder: Personality disorders in family members can create complex family dynamics and contribute to emotional distress, but inheriting a personality disorder is not possible.
Additionally, dependent personality disorder specifically is characterized by excessive reliance on others, not behaviors associated with increased risk for self-harm.
Choice C: Recent promotion at work: Positive life events like a promotion are unlikely to directly increase the risk of self-harm. In fact, achieving goals and milestones can be protective factors for mental health.
Choice D: Borderline personality disorder: Borderline personality disorder (BPD) is a well-established risk factor for self-harm. Individuals with BPD often experience emotional dysregulation, impulsivity, and fear of abandonment, which can lead to self-injurious behaviors as a coping mechanism. The intense emotions and unstable interpersonal relationships associated with BPD make individuals more vulnerable to engaging in self-harm to manage overwhelming distress.
Further Explanation:
BPD is characterized by a pattern of five or more of the following symptoms:
Fear of abandonment: Frantic efforts to avoid real or imagined abandonment.
Unstable relationships: Intense and unstable relationships with a pattern of idealization and devaluation. Identity disturbance: Markedly unstable sense of self-image or self-worth.
Impulsivity: In at least two areas that are potentially damaging (e.g., spending, unsafe sex, substance abuse). Suicidality: Recurrent suicidal threats, gestures, or attempts, or self-mutilating behavior.
Affective instability: Marked mood swings (e.g., intense episodes of anger, dysphoria, anxiety, or despair lasting a few hours and up to a few days).
Chronic emptiness: Feelings of emptiness or boredom.
Dissociation: Transient, stress-related episodes of derealization or depersonalization.
Research indicates that individuals with BPD have a significantly higher risk of self-harm compared to the general population, with estimates ranging from 70% to 90%. This increased risk is attributed to several factors associated with BPD, such as:
Emotional dysregulation: Difficulty managing intense emotions, leading to self-harm as a way to cope with overwhelming distress.
Impulsivity: Engaging in harmful behaviors without considering the consequences, including self-harm.
Fear of abandonment: Self-harm can be used as a way to punish oneself or manipulate others to prevent perceived abandonment.
Negative self-image: Low self-esteem and feelings of worthlessness can contribute to self-harming behaviors as a form of self-punishment.
Conclusion:
While other factors may contribute to self-harm risk, borderline personality disorder remains a significant and well- established risk factor. A mental health nurse reviewing a client's medical record should prioritize identifying BPD as a potential indicator of increased risk for self-harm behaviors.
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