Final answer:
The sweat test measures the amount of salt in sweat and is used to diagnose cystic fibrosis, not to draw blood, assess heart function, or test for allergies.
Step-by-step explanation:
When teaching about the sweat test, the nurse will include that it is a diagnostic procedure used to measure the amount of salt in sweat. This test is primarily used for the diagnosis of cystic fibrosis, where patients have an abnormally high level of salt in their sweat. The process involves stimulating the skin to produce sweat, which is then collected and analyzed for its chloride content. It is important to clarify that the sweat test:
- Does not involve drawing blood.
- Is not performed to assess heart function.
- Is not used to test for allergies.
Therefore, the correct information to include is option C) It measures the amount of salt in sweat.