Intensive Care Medicine (ICM) Practice Exam

What is a suitable site for administration of subcutaneous injections?

1. Thigh

2. Belly

3. Upper arm

4. All of the above

The correct answer is: All of the above

Subcutaneous injections can be administered in various sites on the body where there is adequate subcutaneous fat for absorption, making it possible to use multiple locations effectively. The thigh is a commonly used site because it has a large muscle mass and ample subcutaneous tissue, making it suitable for injections, particularly in younger patients and those with more body fat. The abdomen, often referred to as the belly, is another preferred site, especially for insulin administration, due to the rich blood supply that allows for quick absorption. It is important to avoid areas close to the navel and to rotate sites to prevent tissue damage. The upper arm is also a viable site for subcutaneous injections. It can be accessed easily, and like the other sites, it has sufficient subcutaneous fat to allow for effective administration. Because all these areas meet the criteria for effective subcutaneous delivery, it is valid to conclude that all of them are suitable sites for administration of subcutaneous injections. This comprehensive range of injection sites helps to ensure that subcutaneous medication can be given safely and effectively, catering to individual patient needs and preferences.