In the double-blind placebo-controlled food challenge: a. ...

[robinn137]

In the double-blind placebo-controlled food challenge:
 a. neither the patient nor the care provider knows whether a suspected food or placebo is being tested.
  b. only the care provider knows whether a suspected food is being tested.
  c. the patient knows whether a suspected food or placebo is being tested.
  d. the patient and the care provider know whether a suspected food is being tested.

Question 2

Human subjects usually must provide their consent before they may participate in a study.
  Indicate whether the statement is true or false

[kaylee05]

Answer to Question 1

a

Answer to Question 2

True

[robinn137]

TYSM

[tuate]

Gracias!