.. _answerkeys:

Answers to selected *test your knowledge* questions
---------------------------------------------------


**Lecture 1**: 1: (B), 2: (A), 3: (B), 4: (C), 5: (B), 6: (B), 7: (A), 8: (B), 9: (B)

**Lecture 2**: 1: (B), 2: (C), 3: (A), 4: (A), 5: (B) 

**Lecture 3**: 1: (C), 2: (B), 3: (C), 4: (A), 5: (B) 

**Lecture 4**: 1: (C), 2: (A), 3: (C), 4: (D), 5: (A)

**Lecture 5**: 1: (A), 2: (A), 3: (B), 4: (C), 5: (B)

**Lecture 6**: 1: (B), 2: (B), 3: (B), 4: (E), 5: (B), 6: (A)

**Lecture 7**: 1: (B), 2: (A), 3: (B), 4: (A) 

**Lecture 8**: 1: (C), 2: (C), 3: (C), 4: (B), 5: (A) 

**Lecture 9**: 1: (D), 2: (A), 3: (B), 4: (B), 5: (A)

**Lecture 10**: 1: (A), 2: (B), 3: (B), 4: (A), 5: (C), 6: (B), 7: (B) 

**Lecture 11**: 1: (B), 2: (A), 3: (C), 4: (C) 

**Lecture 12**: 1: (B), 2: (A), 3: (B), 4: (B), 5: (C), 6: (B) 

**Lecture 13**: 1: (A), 2: (C), 3: (B), 4: (D), 5: (B)

**Lecture 14**: 1: (B), 2: (A), 3: (A), 4: (B), 5: (C), 6: (B), 7: (B), 8: (A), 9: (A), 10: (A), 11: (B), 12: (B) 

**Lecture 15**: 1: (B), 2: (H), 3: (B), 4: (B), 5: (B)

**Lecture 16**: 1: (A), 2: (C), 3: (A), 4: (D) 

**Lecture 17**: 1: (B) 

**Lecture 18**: 1: (A), 2: (A), 3: (B), 4: (E) 

**Lecture 19**: 1: (E), 2: (E), 3: (B), 4: (D), 5: (B), 6: (C), 7: (B)

**Lecture 20**: 1: (D), 2: (B), 3: (B), 4: (D), 5: (B), 6: (C), 7: (A)