The following graph shows the results of a study evaluating the number of schools teaching different sex-education topics. A graph titled Sex Education in Schools shows years on the horizontal axis and percentages on the vertical axis. The percentage of schools teaching sex education has declined across a range of topics. Teaching about how to correctly use a condom has decreased from 55% in 2000 to 40% in 2014.

In 2006, approximately what percentage of schools taught students how to use a condom?

40 percent
60 percent
75 percent
85 percent

A92-year-old man with a 45-year history of chronic obstructive pulmonary disease is intubated in the icu because of a bout of viral pneumonia that fails to improve after 72 hours of antibiotics. although the inspired fraction of oxygen is 100%, the patient's po2 remains at 57 mmhg. positive-end expiratory pressure (peep) is added to allow the inspired fraction of oxygen. twelve hours after the introduction of peep the patient suddenly become hypotensive. at the same time, his oxygen saturation drops from 92% to 61%. on physical examination, his bp is 80/50 mmhg and his pulse is 124/min. he has distended neck veins and distant heart sounds. which of the following would also most likely be seen on this patient's physical examination? - absence of breath sounds in the right hemithorax- high amplitude carotid artery upstroke- a pleural friction rub- pulsus alternans- splenomegaly