What is a disadvantage to the oral route for medication administration? a. oral medications are difficult to administer. b. oral medications are usually rather expensive. c. the medication must be absolutely sterile before it's administered. d. the medication has a slower onset of action.

The answer is D. The medication has a slower onset of action.

Due to drug to drug and drug to food interactions oral medications is usually delayed as compared to other drug routes. Another is the delivery of drug inside the body most of the time incomplete and is dependent on how compliant is the patient. 

labor of course and a whole ot of pain

digital rectal exam (dre) a digital rectal exam (dre) is a test for both men and women. it allows a doctor to check the lower rectum, pelvis, and lower belly for cancer and other health problems, including: prostate cancer in men.