4 Written Questions

1. Double-layered membrane surrounding each lung.
2. Space in the chest containing the heart, lungs, bronchial tubes, trachea, esophagus, and other organs.
3. Double-layered membrane surrounding the abdominal organs.
4. Space below the chest containing organs such as the liver, stomach, gallbladder, and intestines; also called the abdomen.

4 Multiple Choice Questions

1. Space between the pleural membranes.
   1. pleural cavity
   2. cranial cavity
   3. spinal cavity
   4. pelvic cavity
2. Space below the abdomen containing portions of the intestines, rectum, urinary bladder, and reproductive organs. Pelvic means pertaining to the pelvis, composed of the hip bones surrounding the pelvic cavity.
   1. thoracic cavity
   2. pleural cavity
   3. pelvic cavity
   4. spinal cavity
3. Centrally located space between the lungs.
   1. peritoneum
   2. pleura
   3. diaphragm
   4. mediastinum
4. Pertaining to the front.
   1. dorsal (posterior)
   2. ventral (anterior)
   3. pleural cavity
   4. spinal cavity

4 True/False Questions

1. diaphragm → Muscle separating the abdominal and thoracic cavities. The diaphragm moves up and down and aids in breathing.

   True        False

2. spinal cavity → Space within the spinal column (backbones) and containing the spinal cord. Also called the spinal canal.

   True        False

3. cranial cavity → Space within the spinal column (backbones) and containing the spinal cord. Also called the spinal canal.

   True        False

4. dorsal (posterior) → Pertaining to the front.

   True        False