Susan and laura are having a disagreement over who has more muscular strength. susan is a distance runner and laura is a sprinter. which girl would be more likely to have more muscular strength? a. susan because her muscles can contract repeatedly over a longer period of time. b. laura because her muscles can produce more force for a single event. c. laura because her muscles can remain contracted over a longer period of time. d. susan because her muscles work together to produce great force to take her the distance.

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