The staff educator is presenting a workshop on valvular disorders. When discussing the pathophysiology of aortic regurgitation, the educator emphasizes that aortic regurgitation causes what?
A) Cardiac tamponade
B) Left ventricular hypertrophy
C) Right-sided heart failure
D) Ventricular insufficiency
B
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The nurse is reviewing statistics regarding breast cancer. Which woman, aged 40 years in the United States, has the highest risk for developing breast cancer?
a. Black b. White c. Asian d. American Indian
A science teacher is talking to a group of fifth graders about the role of "spit." During the course of the discussion, the teacher asks the students which of the following are functions of saliva?
A) Good protection device if someone is being attacked B) Will have more saliva production when anxious, such as right before a test C) Has antibacterial action to help keep the mouth clean D) Secretes acid to chemically break down fatty foods like French fries E) Secretes the enzyme pepsin
You are the nurse admitting a toddler to the pediatric infectious disease unit. What is the single most important component of the child's physical examination?
a. Assessment of heart and lungs b. Measurement of height and weight c. Documentation of parental concerns d. Obtaining an accurate history
Concerning the postpartum changes and developments in a woman's cardiovascular system, nurses should be aware that:
1. cardiac output, pulse rate, and stroke volume all return to prepregnancy normal within a few hours of childbirth. 2. respiratory function returns to nonpregnant levels by 6 to 8 weeks after birth. 3. lowered white blood count after pregnancy can lead to false positives when test-ing for infections. 4. a hypercoagulable state protects the new mother from thromboembolism, espe-cially after a cesarean birth.