The first sound auscultated (S1) when listening to heart sounds occurs during which of the following events?
Answer: Ventricular systole
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Which of the following statements describes the relationship between the pulmonary circulation and the pulmonary vascular bed?
a. The pulmonary circulation is a high-pressure system with normal pressures averaging 100/60 to 120/70 mm Hg. b. Because of the low pulmonary arterial pressures, the right ventricular wall thickness needs to be only one-third that of the left ventricle. c. Pulmonary hypertension is defined as increased pulmonary artery systolic pressure above 20 mm Hg. d. The most common cause of pulmonary hypertension is right-sided heart failure.
When teaching a male client about the screening tools is used for prostate cancer, the nurse would include screening for which of the following in the teaching plan?
a. urine screen for protein c. serum testosterone b. PSA-serum level d. complete blood count
If a researcher finds that there are many missing values for one of the variables, the decision to delete the cases with the missing data may affect the _____________ of a small study
A) Validity B) Generalizability C) Power D) Analysis
A patient newly diagnosed with chronic obstructive pulmonary disease (COPD) is prescribed inhaled pirbuterol (Maxair) every 6 hours. The nurse instructs the patient to take additional drug doses during which specific times or conditions?
a. At bedtime b. When feeling especially nervous c. When feeling especially breathless d. If the peak expiratory flow rate is 80% or greater than his or her personal best