If a patient has been drinking fluids, the patient should wait 10 - 15 minutes before taking an oral temperature. There shouldnt be any type of liquid, hot or cold in your mouth for atleast 10 minutes before taking the test. The answer to your question is letter A.
Wearing gloves at all time, facemask when needed, washing hands before and after seeing each patient.
The glands of the endocrine system secrete hormones into the bloodstream to maintain homeostasis and regulate metabolism.
Cell structure over time is known as a free radical