The nurse performs Homans' maneuver by flexing the knee and sharply dorsiflexing the foot. A positive Homans' sign would be:
1. cramping of the toes.
2. resisting dorsiflexion.
3. pain in the calf area.
4. blanching of the sole.
3
A positive Homans' sign indicates the possible presence of a DTV because of pain produced in the calf of the leg when the foot is dorsiflexed.
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After threatening to jump off of a bridge, a client is brought to an emergency department by police. To assess for suicide potential, which question should a nurse ask first?
1. "Are you currently thinking about harming yourself?" 2. "Why do you want to harm yourself?" 3. "Have you thought about the consequences of your actions?" 4. "Who is your emergency contact person?"
A patient has been admitted after the insertion of a pacemaker because of bradycardia. She asks what third-degree heart block is, and the nurse replies
a. "Coronary blood vessel occlusion causing slow contraction of the right ventricles." b. "Sclerosis of cardiac valves causing slow pulse." c. "A defect in AV junctions slows and impairs conduction of impulses from the SA node to the ventricles." d. "Increased pressure in the pulmonary vessels."
The regulations affecting the ethical conduct of research sponsored by the federal government were based on the:
A) Nuremberg Code B) Declaration of Helsinki C) Belmont Report D) Code of Ethics of the American Nurses Association
Select the true statement about the dose-related adverse effects on the fetus of a woman who uses terbutaline (Brethine) for premature contractions.
A. The adverse effects of terbutaline are consistent with beta-adrenergic receptor-mediated activity. B. Nausea, vomiting, headache, anxiety, restlessness, and arrhythmia are among the adverse effects reported to occur with terbutaline use. C. Fetal tachycardia, increased maternal blood pressure, and increased blood glucose and fatty acids can occur with terbutaline. D. All of these are correct.