The myocardium is thickest in the ____
a. left atrium
b. right atrium
c. left ventricle
d. right ventricle
C
The wall of the left ventricle is threefold thicker than that of the right because the left ventricle propels blood to most vessels of the body. The right ventricle moves blood only through the blood vessels of the lungs and then into the left atrium.
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A patient with acute respiratory distress syndrome (ARDS) has these arterial blood gas results: pH 7.33, PaCO2 50, HCO3 26, PaO2 80, SaO2 80
The patient is mechanically ventilated with 60% oxygen and positive-end expiratory pressure (PEEP) at 5 cm H2O. These arterial blood gas results, when compared to the previous day, show no improvement in oxygenation and increased PaCO2 . When the nurse is assessing these results, what is most significant in evaluating the patient's progress? A) Patient isn't responding to conventional ventilation therapy. B) Development of metabolic alkalosis is compensatory. C) Inhaled oxygen and PEEP should be increased. D) Change in acid–base balance is ominous.
The nurse is caring for a 3-year-old awaiting a heart transplant who requires an antiarrhythmic agent to control a supraventricular arrhythmia. What drug, if ordered, would the nurse question?
A) Digoxin B) Propranolol C) Procainamide D) Verapamil
A(n) __________ is the bulging of the bladder into the vagina
Fill in the blank(s) with correct word
The surgical unit nurse has just received a patient with a history of smoking from the postanesthesia care unit. Which action is most important at this time?
a. Auscultate for adventitious breath sounds. b. Obtain the patient's blood pressure and temperature. c. Remind the patient about harmful effects of smoking. d. Ask the health care provider about prescribing a nicotine patch.