Margarita also wants to show the number of patients participating in recent health studies at the clinic, including the Hypertension study. Create a query in Query Design View as follows:

1. Add the Patients, Participants, and Studies tables to the query.
2. First add the StudyName field from the Studies table to the design grid, and then add the PatientID field from the Patients table.
3. Add criteria to select only those records where the StudyName field is Arthritis or Cholesterol or Diabetes or Hypertension.
4. Add a Total row to the query.
5. Group the query by the values in the StudyName field and count the values in the PatientID field.
6. Save the query using RecentStudies as the query name.
7. Display the query in Query Datasheet View to view the results and then close the query.