This is a normal EKG, or a _________ rhythm.

A patient is admitted to the hospital, complaining of difficulty breathing. cyanosis of the extremities, and fatigue. What might explain these symptoms?

During ventricular systole, the ____________ valves open.

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The heart is surrounded by a fluid filled sac called the:

What are the long term ramifications of hypertension on the heart, and why?

The arteries act as a ________ reservoir.

Which of the following would return low oxygen blood to the heart?

A client comes into the Emergency Department after hitting his head in an automobile accident. He’s alert and oriented. Which of the following nursing interventions should be done first?

A client reports sudden onset of flashes of light and numerous floaters in one eye, followed by a shadow descending over the visual field. Which action should the nurse take first?