1. If we can meet with the patient and he / him / himself, we can discuss possible alternative treatments.

A) he
B) him
C) himself

2. An argument between her boyfriend and her / she resulted in the latest injury.
A) her
B) she

3. The patient’s son is taller than he / him / himself.
A) he
B) him
C) himself

4. When the husband and wife arrived, he was in more pain than her / she.
A) her
B) she

5. The assessment and plan was / were discussed with the patient.
A) was
B) were

6. Mumps are / is a common childhood disease.
A) are
B) is

7. A person as young as her / herself / she should not have symptoms of depression.
A) her
B) herself
C) she

8. He did not know who / whom / whomever to see about the testicular pain.
A) who
B) whom
C) whomever

9. No one is more aware of the seriousness of the condition than he / him / himself.
A) he
B) him
C) himself

Answers
1. B
2. A
3. B
4. B
5. B
6. A
7. B
8. B
9. A

3, 6, and 7 are wrong.

In 3 and 7, you need the subject pronoun because the implied meaning is "than she is.

Mumps is a singular noun.