The attending faculty in the coronary intensive care unit demonstrates to his students a normal
heart examination. The first heart sound is
produced by near-simultaneous closure of which of
the following valves?
(A) Aortic and tricuspid
(B) Aortic and pulmonary
(C) Tricuspid and mitral
(D) Mitral and pulmonary
(E) Tricuspid and pulmonary​

Females who lift weights are not going to develop large, bulky muscles because a. they have more muscle fibers than men b. they have thicker muscle fibers than men c. they have lower testosterone levels than men d. all of the above does not change length

Mr. smith, a 57-year-old patient, presents at a health fair asking questions about the age-appropriate health maintenance and promotion considerations he should be concerned about. he stated that he only goes to his physician when he is sick and the last time he saw his physician was 2 years ago when he had a sinus infection. a. what further assessment does the nurse need to make before designing a teaching plan? b. what topics does the nurse need to include for mr. smith based on current medical recommendations? c. design a teaching plan that covers the topics.

Aperson has been born with a mutation that results in a deficiency in the production of mhc i by all of their cells. how might this deficiency affect a person immunologically?