Musculoskeletal system

Question 1

How many bones and muscles are in the human body?

Answer 1

There are 206 bones and 600 muscles.

Question 2

What is the role of the skeleton?

Answer 2

To provide protection to soft internal organs of the body, and to provide framework.

Question 3

Importance to pharmacists?

Answer 3

It’s important for intramuscular (IM) drug delivery, which allows fast absorption of drugs or slower release of depot preparations.

Question 4

What are the three main muscles used for intramuscular injections?

Answer 4

Deltoid (shoulder)
Gluteus maximus (buttock)
Quadriceps (front thigh)

Question 5

Why are the deltoid, gluteus maximus, and quadriceps muscles commonly used for IM injections?

Answer 5

Because they are large and easily accessible, making them ideal for administering medications.

Question 6

What is a depot preparation?

Answer 6

A depot preparation is a type of intramuscular injection that uses a non-aqueous solution for slow, long-term drug release.

Question 7

What is the difference between fast absorption and depot preparations in IM injections?

Answer 7

I. Fast absorption: Aqueous solutions are absorbed quickly.
II. Depot preparations: Non-aqueous solutions provide a slower, sustained release.