Directions: Explain where each part of the directional terms are located:
A. Body planes
1. Sagittal
2. Mid-sagittal
3. Coronal/frontal
4. Transverse/horizontal
B. Directional terms
1. Superior
2. Inferior
3. Anterior
4. Ventral
5. Posterior
6. Dorsal
7. Medial
8. Lateral
9. Proximal
10. Distal
11. Superficial
12. Deep
C. Body cavities
1. Dorsal
2. Cranial
3. Spinal
4. Thoracic
5. Abdominal
6. Pelvic
D. Quadrants
1. Right upper quadrant (RUQ)
2. Left upper quadrant (LUQ)
3. Right lower quadrant (RLQ)
4. Left lower quadrant (LLQ)

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly.c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus.d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.