MgSO4 is ordered IV following the established protocol for a client with severe PIH. The anticipated effects of this therapy are anticonvulsant and:
Answer(s): B
(A) An anticonvulsant effect is the goal of drug therapy for PIH. However, we would not want to increase the vasoconstriction that is already present. This would make the symptoms more severe. (B) An anticon-vulsant effect and vasodilation are the desired outcomes when administering this drug. (C) An anticonvulsant effect is the goal of drug therapy for PIH; however, hypertensive drugs would increase the blood pressure even more. (D) An anticonvulsant effect is the goal of drug therapy for PIH. MgSO4is not classified as an antiemetic.Antiemetics are not indicated for PIH treatment.
Respiratory function is altered in a 16-year-old asthmatic. Which of the following is the cause of this alteration?
Answer(s): C
(A) Altered surfactant production is found in sudden infant death syndrome. (B) Paradoxical breathing occurs when a negative intrathoracic pressure is transmitted to the abdomen by a weakened, poorly functioning diaphragm. (C) Asthma is characterized by spasm and constriction of the airways resulting in increased resistance to airflow. (D) If the pulmonary tree is obstructed for any reason, inspired air has difficulty overcoming the resistance and getting out. The rate of respiration increases in order to compensate, thus increasing air exchange.
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