Which of the following best describes what alveoli are?

a.

they are the smallest tubes in the respiratory system.

b.

they have a small amount of surface area.

c.

they are found on the end of bronchioles.

d.

they are comprised of millions of cells

Abraham maslow's theory of personality development was the "ages and stages" model

Aclient is prescribed digoxin (lanoxin). what are contraindications/precautions for the use of digoxin (lanoxin)?

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.