Question 13 of 50
A patient's urine sample is collected 6 hours before being sent to the laboratory. Wh
protocol should be followed in this situation?
O Dilute the urine specimen before testing.
O Warm the urine sample before testing.
Keep the urine specimen in the refrigerator until testing.
O
Keep the urine specimen at room temperature until testing.
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cont
OD Sure

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.