Which of the following valve closings can be auscultated during the "dupp" heart sound by placing the stethoscope at the left sternal border of the second intercostal space?
A) Pulmonary semilunar
B) Right atrioventricular (tricuspid)
C) Left atrioventricular (mitral)
D) Aortic semilunar
Answer: A
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An example of a sex-influenced trait is
A. hemophilia. B. hypertension. C. colorblindness. D. baldness.
The spinal decussation is the.
A) afferent pain fiber. B) cross-over in the spinal cord. C) pain receptor. D) pain tract in the spinal cord.
What statement does NOT describe the methods by which chemical buffer systems operate to maintain pH?
A) Buffer systems consist of a weak acid and its conjugate weak base which function to resist large swings in pH. B) When a strong acid is added to a solution, the weak base of the buffer system binds the released hydrogen ions and removes them from solution. C) When a strong base is added to a solution, the buffer system's weak acid releases its hydrogen ions to bind the base ions. D) All excess hydrogen ions are removed from the body in the urine.
Jose is very warm and nurturing of his children. He loves them very much and does not believe in punishment of any sort. Which type of parent is Jose?
a. neglecting b. authoritative c. permissive d. authoritarian