UMU Poll

Question 1

What structure serves as a boundary between the thoracic and abdominal cavities?

Answer 1

Diaphragm

Posterior: Vertebral column
Anterior: Sternum
Superior: superior thoracic aperture

Question 2

The 9th rib has indirect cartilagenous attachment to the sternum, making it which type of rib?

Answer 2

False

True (1-8): direct cartilagenous attachment to the sternum
Floating (11-12): no connection to sternum

Question 3

What rib joint is found between the head of the rib and the body of the vertebra?

Answer 3

Costovertebral

Costotransverse: costal tubercle —> transverse process

Sternocostal: Sternum —> costal cc.

Question 4

What bony landmark is formed at the union of the manubrium and body of the sternum?

Answer 4

Sternal angle

Question 5

What dermatome of the thorax corresponds to the skin over the diploid process?

Answer 5

T6

Question 6

In what sulcus does the great cardiac v. Run?

Answer 6

Anterior interventricular sulcus

Question 7

What was the fossa ovalis a fetal connection between?

Answer 7

R & L atria

Question 8

What part of the conduction system of the heart is located in the interventricular septum?

Answer 8

Atrioventricular bundle

Question 9

What regions of parietal pleura form the costomediastinal recess?

Answer 9

Costal and mediastinal

Question 10

What valve is associated with only anterior and posterior papillary muscles?

Answer 10

Left AV (bicuspid/mitral valve)