Which of the following events occurs at the start of diastole?

A) Closure of the tricuspid valve
B) Opening of the pulmonic valve
C) Closure of the aortic valve
D) Production of the first heart sound (S1)


C) Closure of the aortic valve

At the beginning of diastole, the valves which allow blood to exit the heart close. It is thought that the closure of the aortic valve produces the second heart sound (S2). Closure of the mitral valve is thought to produce the first heart sound (S1).

Nursing

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A nurse in the CCU must assess a cardiac patient's fluid status. Which of the following is the best method for him to use?

A) Having the patient measure and record all liquids taken in and all urine excreted B) Weighing the patient daily C) Pulse oximetry D) Radionuclide ventriculography

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39.2 ° c = _____ ° f

a. 102.6 b. 100.2 c. 101.8 d. 100.6

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A patient is admitted with signs of a stroke (CVA). On admission, vital signs were blood pressure 128/70, pulse 68, and respirations 20

Two hours later the patient is not awake, has a blood pressure of 170/70, pulse 52, and the left pupil is now slower than the right pupil in reacting to light. These findings suggest which condition? 1. Impending brain death 2. Decreasing intracranial pressure 3. Stabilization of the patient's condition 4. Increasing intracranial pressure

Nursing

Which tool for personal care is MOST specific for nurse healers?

a. tapping into the healing potential of the human mind b. learning from the wisdom of the sages and teachers c. combining imagery with relaxation and self-suggestion d. ensuring that there are vacations for a change of pace

Nursing