This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which drug can be given subdermally ? 
Select and explain. 
A. Nicotine, B. Fentanyl, C. GTN, D. Progesterone
D: Progesterone
Answer: D: Progesterone 
Explanation: Ans. is 'd' i.e., Progesterone Progesterone can be given in the form of subdermal implant. Subdermal contraceptive implants involve the delivery of a steroid progestin from polymer capsules or rods placed under the skin. The hormone diffuses out slowly at a stable rate, providing contraceptive effectiveness for 1-5 years.