Which statement describes a disadvantage of parenteral injections?

Which statement describes a disadvantage of parenteral injections?

• A. They are painless in most cases.
• B. They require only oral follow-up for full protection.
• C. The skin barrier is breached, increasing the risk of infection.
• D. They cannot cause any adverse reactions.

Answer: (C)

Parenteral injections place the vaccine or medicine through the skin, which normally acts as a protective barrier. Because the skin barrier is breached, there is a real risk that microbes can enter the tissue at the injection site if sterile technique isn’t strictly followed. That’s why infection at the injection site is a key disadvantage and why proper skin cleansing, sterile equipment, and safe handling are essential every time you administer parenteral vaccines. Injections can also cause pain or discomfort and sometimes local reactions like redness or swelling, and they can rarely trigger more serious adverse responses. The other statements aren’t correct because injections aren’t painless, they don’t rely on oral follow-up for full protection, and they can indeed cause adverse reactions.

Parenteral injections place the vaccine or medicine through the skin, which normally acts as a protective barrier. Because the skin barrier is breached, there is a real risk that microbes can enter the tissue at the injection site if sterile technique isn’t strictly followed. That’s why infection at the injection site is a key disadvantage and why proper skin cleansing, sterile equipment, and safe handling are essential every time you administer parenteral vaccines.

Injections can also cause pain or discomfort and sometimes local reactions like redness or swelling, and they can rarely trigger more serious adverse responses. The other statements aren’t correct because injections aren’t painless, they don’t rely on oral follow-up for full protection, and they can indeed cause adverse reactions.