How does the movement of the electrical impulse relate to the
contraction of the chambers of the heart?

4. you are asked to make 125 grams of a 7% antifungal cream using tolnaftate powder and eucerin cream. how many grams of tolnaftate powder are needed? round to the nearest hundredths (w/w)

Mr rogers is 2 days postoperative of a thoracotomy of removal of a malignant mass in his left chest. his pain is being managed via epidural catheter with morphine. as the nurse assumes care of mr rogers, he is alert and fully oriented and states that his current pain is 2 on a 1 -to-10 scale. his vital signs are 37.8-92-12, 138/82. what are benefits of epidural versus systemic administration of opioids? the nurse monitors mr roger’s respiratory status and vital signs every 2 hours. what is the rationale for this frequent assessments? the nurse monitors mr rogers for what other complications of epidural anelgesis?

Anurse is assessing a client who is receiving oxytocin via continuous iv infusion for labor augmentation. the nurse notes six contractions in a 10 min period with a non-reassuring fhr. which of the following actions should the nurse take first? a. discontinue the oxytocin iv infusion. b. turn the client to her left side. c. administer terbutaline 0.25 mg subcutaneously. d. apply oxygen at 10 l/min via face mask.