A foreign substance that triggers an allergic response in the body is known as:
a. an antigen.
b. histamine.
c. an antibody.
d. a mast cell.
Question 2
You are staffing a first-aid booth at a mountain bike event. A mother approaches you with her 15-year-old son and informs you that her son is severely allergic to bees. Although he hasn't been stung, she is concerned about the auto-injector he carries. The mother states that it was prescribed when her son was 13 years old. She shows you the 0.15 mg auto-injector, and you note that it expired about 12 months ago. Which of the following statements would be most appropriate for you to make?
a. Call your doctor's office for a new prescription because this auto-injector is out of date.
b. If you go to the pharmacy where you got this they will be able to give you a new one.
c. Most medications are still good for months after the expiration date. You can use this one for a little while longer.
d. This medication is good for today but you should call your doctor as soon as possible to replace this.
Changes in metabolic rate of selected structures in a mammal's body during different activities
Lucy’s Body Weight Proportions Compared to a Bonobo
Inflammatory response.
Antigen Receptor Diversity
Body Plan of a Crocodile
Body plan of an aquatic snail and micrograph of a radula