What is the hypodermic needle theory in media?

What is the hypodermic needle theory in media?

Concept. The "Magic Bullet" or "Hypodermic Needle Theory" of direct influence effects was based on early observations of the effect of mass media, as used by Nazi propaganda and the effects of Hollywood in the 1930s and 1940s. ... It suggests that the media injects its messages straight into the passive audience.

What size needle is used for intramuscular injections?


What size needle is used for subcutaneous injections?

5/8" needle

At what angle are subcutaneous injections given?

90-degree angle

What parts of the body are most suitable for subcutaneous injections?

Subcutaneous tissue is all over your body, but the most common areas for subcutaneous injections are:

  • the upper outer area of the arm.
  • the front and outer sides of the thighs.
  • the abdomen, except for a 2 inch area around the navel.
  • the upper outer area of the buttocks.
  • the upper hip.

What are the benefits of subcutaneous injection?

As subcutaneous tissue has few blood vessels, the injected drug is diffused very slowly at a sustained rate of absorption. Therefore, it is highly effective in administering vaccines, growth hormones, and insulin, which require continuous delivery at a low dose rate.

How do you make subcutaneous injections less painful?

A few strategies can help with the pain and anxiety: Use a numbing cream on the area a few minutes before the injection. Many doctor's offices have these available. Try putting ice on the area to numb it a few minutes before the injection.

How fast do subcutaneous injections work?

Subcutaneous means under the skin. In this type of injection, a short needle is used to inject a drug into the tissue layer between the skin and the muscle. Medication given this way is usually absorbed more slowly than if injected into a vein, sometimes over a period of 24 hours.

What is a disadvantage of subcutaneous drug administration?

The slower absorption is a common disadvantage of subcutaneous administration because there is less blood flow to quickly absorb drug; however, this may be an advantage as well, in that lower doses of drugs may last for longer periods.

What happens if you give a subcutaneous injection IM?

Serious reactions to intramuscular injections are rare; in one series of 26 294 adults, of whom 46% had received at least one intramuscular injection, only 48 (0.

How do you know if you hit a nerve when injecting?

Injections that occur below the deltoid muscle can hit the radial nerve and injections that are too far to the side of the deltoid muscle can hit the axillary nerve. If a nerve is hit, the patient will feel an immediate burning pain, which can result in paralysis or neuropathy that does not always resolve.

Can you get nerve damage from injections?

Nerve injury is a common complication following intramuscular injection and the sciatic nerve is the most frequently affected nerve, especially in children, the elderly and underweight patients.

Why does injection site hurt?

The pain you are experiencing is usually soreness of the muscle where the injection was given. This pain is also a sign that your immune system is making antibodies in response to the viruses in the vaccine.

How do you treat a lump on the injection site?

Treatment for post-injection inflammation

  1. Cold packs. These help reduce swelling, itching, and pain.
  2. Over-the-counter pain medicines. These help reduce pain and inflammation.
  3. Prescription medicine. These treat infection.