Question

5. This fetal by-pass (hole /opening) exists between the fetus’ right & left atria:

a. Ductous venosus

B. Foramen Ovale

C. Ductous Arteriosus

D. Foramen Arteriosus

E. Doesn’t exist

6. This fetal by-pass (hole /opening) exists between the fetus’ right & left atria At /soon after birth, it closes and is then called the:

a. Ductous venosus

B. Fossa Ovalis

C. Ligamentum Arteriousum

D. Foramen Ovale

E. Ligamentum Venosum

7. This fetal by-pass is a branch of the umbilical vein and bypasses the fetus’ liver:

a. Ductous Venosus

B. Foramen Ovale

C. Ductous Arteriosus

D. Foramen Arteriosus

E. Doesn’t exist

8. What lymphatic system structures ABSORB dietary fat & nutrition after digestion?

a. Chylomicrons

B. Chylomicrons, HDL, LDL, and VLDL

C. Lymph nodes

D. Lacteals

E. Peyer’s patches

Answer 1

Answer 5:

The opening/hole in the fetus which is present between the left and right atrium and allows the blood to move from the left atrium towards the right atrium is knows as Foramen Ovale.

Therefore, option B is correct.

Answer 6:

The Foramen Ovale closes soon after the birth and form Fossa Ovalis.

Therefore, option B is correct.

Answer 7:

A branch of umbilical vein that bypasses the fetus’ liver is called as Ductus Venosus. Therefore, option A is correct.

Answer 8:

The lymphatic structure (capillary) which absorbs fat and nutrition after digestion is known as Lacteal. Therefore, option D is correct.