Answer:
A transdermal patch is a patch that attaches to your skin and contains medication. The drug from the patch is absorbed into your body over a period of time. If you’d rather not have a pill or an injection, a patch may be a more comfortable option for taking some medications. Transdermal patches are used to deliver a range of drugs into the body.
Explanation:
Myofibrils are composed of long proteins including actin, myosin, and titin, and other proteins that hold them together. These proteins are organized into sections called sarcomeres.
Level 4 includes the material that are extremely hazardous to health. Inhalation, skin contact , swallowing , Injection, etc. are required full protection gear so that none of our skin surface is exposed because these main routes of entry.
There are different ways a person can come into the contact with hazardous chemicals , which is known as expose pathways. And all these are the basic exposure pathways- inhalation, ingestion and skin contact.
There are four levels or the category of toxicity.Toxicity is define as the concentration or the amount of a particular agent that reaches a target organism, system or population in a specific frequency for a fixed duration.
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D. This is the correct answer