Why shouldn’t you use your thumb when taking pulse? a) the thumb is not sensitive enough to feel an accurate pulse b) it is possible to feel a pulse in the thumb c) the thumb is not steady enough by itself to keep track of a pulse accurately d) all of the above

True or false. mucous membranes secrete mucus that traps pathogens.

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.

Why there must be community participation in primary health care