A major advantage of giving the antipsychotic drug Invega/paliperidone is that it is effective against what symptoms?
Depressive characteristics of schizophrenia
Negative symptoms of schizophrenia only
Both positive and negative symptoms of Schizophrenia
Low serotonin levels
The Correct Answer is C
A. Depressive characteristics of schizophrenia: While some atypical antipsychotics may have mood-stabilizing effects, paliperidone is not primarily indicated for treating depressive symptoms. Antidepressants are more effective for depressive features rather than antipsychotic agents.
B. Negative symptoms of schizophrenia only: Paliperidone helps address negative symptoms such as social withdrawal and blunted affect, but it is not limited to these alone. Its mechanism of action also targets positive symptoms, making this option incomplete.
C. Both positive and negative symptoms of schizophrenia: Paliperidone, an atypical antipsychotic, blocks dopamine D2 receptors and serotonin 5-HT2A receptors. This dual action makes it effective for reducing hallucinations and delusions (positive symptoms) as well as improving motivation and affect (negative symptoms).
D. Low serotonin levels: Paliperidone does act on serotonin receptors, but it does not treat “low serotonin levels” as a standalone condition. Instead, the benefit is its balanced effect on both dopamine and serotonin pathways, reducing positive and negative symptoms in schizophrenia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Scattered rhonchi and crackles with an elevated WBC count: These findings suggest an acute respiratory infection or pneumonia, not chronic hypoxemia. Elevated WBC count points to infection rather than a long-term adaptation to COPD.
B. Clubbing of the fingers and polycythemia: These are expected in chronic hypoxemia. Clubbing results from prolonged low oxygen levels, while polycythemia develops as the body compensates by producing more red blood cells to increase oxygen-carrying capacity.
C. Copious amounts of rust-colored sputum with cyanosis: Rust-colored sputum is typically associated with bacterial pneumonia, particularly pneumococcal infection, not chronic hypoxemia. Cyanosis may occur, but the sputum description makes this finding less appropriate.
D. Distended neck veins and dependent edema: These findings are consistent with cor pulmonale or right-sided heart failure, a complication of COPD, but they are not the expected baseline findings of chronic hypoxemia itself.
Correct Answer is D
Explanation
A. "I'll not use my heating pad during my treatment.": Heat can increase skin irritation in areas receiving radiation. Avoiding additional heat helps prevent burns and further tissue damage.
B. "I'll wear protective clothing when outside.": Clothing can protect sensitive skin from UV exposure and reduce irritation, which is important for clients undergoing radiation therapy.
C. "I'll wash my skin with mild soap and water only.": Gentle cleansing preserves skin integrity in the radiation field and prevents further irritation or breakdown from harsh soaps or scrubbing.
D. "I'm worried I'll expose my family members to radiation.": External beam radiation therapy does not make the client radioactive, so there is no risk of exposing family members.
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