Reginal Anatomy

Question 1

What are body cavities?

Answer 1

Natural spaces within the body

Question 2

What are the purpose of body cavities?

Answer 2

1. Separate, protect and support organs
2. Allow for movement and expansion of organs

**larger cavities are subdivided into smaller compartments

Question 3

Where is the dorsal cavity?

Answer 3

Posterior and superior trunk of the body

Question 4

What does the Dorsal cavity do?

Answer 4

1.Protects the central nervous system
2. CSF circulates in the cavities

Question 5

What can the dorsal cavity be subdivided into?

Answer 5

Cranial and vertebral/spinal cavities

Question 6

What is the cranial cavity?

Answer 6

Contains the brain and surrounded by the bones of the skull

Question 7

What is the vertebral or spinal cavities

Answer 7

Contains the spinal cord/ nerves and is protected by the vertebrae

Question 8

What is the ventral cavity?

Answer 8

Large space located in anterior aspect of the body

Question 9

Is the dorsal cavity or the ventral can it’s larger?

Answer 9

Ventral is larger then dorsal

Question 10

What are the organs in the ventral cavity called?

Answer 10

Viscera

Question 11

What can the ventral system be subdivided into?

Answer 11

Thoracic and abdominopelivic cavities

Question 12

Where is the thoracic cavity?

Answer 12

Superior portion of the ventral cavity

Question 13

What is included in the thoracic cavity?

Answer 13

Contains the lungs and the heart. The boundaries formed by the bone sand muscles in the chest. which subdivided into two pleural cavities in the mediastinum

Question 14

What is the diaphragm?

Answer 14

The diaphragm forms inferior boundary (floor)

Question 15

What are the pleural cavities?

Answer 15

1. Right and left cavities containing lungs. Which is lined with a membrane known as pleura

Question 16

Where is the mediastinum?

Answer 16

Central midline cavity, which lies between pleural spaces

Question 17

What is located in the mediastinum?

Answer 17

Contains heart, great vessels, thymus gland, trachea, esophagus, nerves and lymph nodes.

**pericardial cavity

Question 18

What is the Pericardial Cavity?

Answer 18

Anterior component within the mediastinum which contains the heart

Question 19

What is the abdominopelvic cavity?

Answer 19

Large cavity extending from diaphragm to pelvis. Which is lined by a serous membrane.

Question 20

How is the abdominopelvic cavity subdivided?

Answer 20

1. Abdomen (superior)
2. Pelvis (inferior)

*no muscle separate between abdomen and pelvis

Question 21

What is the abdominal cavity?

Answer 21

Upper portion of the abdominopelvic cavity. From the diaphragm to superior bony pelvis

Question 22

What organs are in the abdominal cavity?

Answer 22

1. Liver
2. Pancreas
3. Stomach
4. Spleen and more

Question 23

What is the pelvic cavity?

Answer 23

Lower portion of the abdominopelvic pelvic cavity which lies within the bony structure of the pelvis.

Extends from iliac crests to the pelvic floor

Question 24

What are the contents of the pelvic cavity?

Answer 24

1. Contents include bladder
2. uterus
3. reproductive organs etc.

Question 25

Is there a way we can divide the pelvic cavity?

Answer 25

Yes into the true and false pelvis

Question 26

What is the true pelvis?

Answer 26

Pelvic inlet or birth canal. Area below pelvic brim

Question 27

What is the organs in the true pelvis

Answer 27

1. Bladder
2. Reproductive organs
3. Rectum

Question 28

What is the false pelvis

Answer 28

Area superior the pelvic brim and below the iliac crest

Question 29

What organs are found in the false pelvis?

Answer 29

Mainly bowel

Question 30

What are some surface landmarks we have on the body?

Answer 30

1. Sternal notch
2. Xiphoid process
3. Subcostal margin
4. Iliac crest
5. Symphysis pubis