Based on what you know about dental hygiene and health which of the following would be the best description of the correlation between variable A (the number of times a day one brushes their teeth) and variable B (the number of cavities one has when they go to the dentist).
a. a strong negative correlation.
b. a weak positive correlation.
c. a strong positive correlation.
d. zero correlation.
e. a weak negative correlation

Anurse is giving instructions to a client who's going home with a cast on his leg. which teaching point is most critical?

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

Aperson may feelpressure when their opinion differs from others in a group.