The nurse would be most concerned about premature ventricular contractions (PVCs) that
a. are uniform in appearance.
b. fall on a T wave.
c. occur at a rate of four per minute.
d. occur with angina.
B
The downward slope of the T wave is the most vulnerable period of the cardiac cycle. PVCs oc-curring during this vulnerable period can precipitate the more life-threatening dysrhythmias of ventricular tachycardia and ventricular fibrillation.
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A client diagnosed with schizophrenia comes to the outpatient mental health clinic very disheveled, with body odor and an unkempt beard. The nurse suspects which of the following negative symptoms of schizophrenia?
A) Anhedonia B) Avolition C) Alogia D) Autism
A newborn is demonstrating signs of needing comfort and security. What should the nurse instruct the parents about swaddling this infant? Select all that apply
1. Swaddling should be loose. 2. Swaddling should be done with the arms at the sides. 3. Swaddling helps the newborn control body movements. 4. Swaddling should permit the newborn access to the mouth. 5. Swaddling should be tightly bound around the infant's torso.
Which of the following antipsychotic drugs' primary mechanism of action involves reducing the activity of serotonin at the 5HT2A receptors?
A. Olanzapine B. Thiothixene C. Thioridazine D. Haloperidol
A longitudinal study is tracking the effects of a program aimed at improving the health-related decision-making skills of teenagers over the course of their high school years
The researchers have had to account for maturation effects in the methodology of the study. Maturation would have which of the following effects on the study participants? A) A decrease in the effectiveness of the intervention with passing time B) An accumulation of the effects of the intervention over time that exaggerates its effectiveness C) Developmental changes in the participants that are not related to the intervention D) An increase in the sophistication and effectiveness of the intervention with repeated applications