Instructions

What is the order in which fetal blood would pass through the following structures after leaving the heart?

1. pulmonary trunk

2. foramen ovale

3. umbilical arteries

4. umbilical vein

5. ductus venosus

6. right atrium

A) 1, 4, 2, 3, 6, 5

B) 4, 3, 1, 2, 6, 5

C) 1, 3, 4, 5, 6, 2

D) 6, 3, 1, 4, 2, 5

E) 5, 4, 3, 2, 1, 6

All of the vessels listed ultimately arise from the common carotid artery except the

A) facial artery.

B) occipital artery.

C) lingual artery.

D) vertebral artery.

E) maxillary artery.

Which kinds of cell surface proteins (MHC, CD, and receptor) would be found on each of the following cells:

Naïve B-cell

Helper T-cell

Cytotoxic T-cell

Macrophage

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