Which structures in the diagram above connects the umbilical vein with the vena cava and connects the pulmonary artery with the aorta?Which cells are associated with the humoral and cell-mediated parts of the immune system?

Which structures in the diagram above connects the umbilical vein with the vena cava and connects the pulmonary artery with the aorta?Which cells are associated with the humoral and cell-mediated parts of the immune system?

Humoral B lymphocytes; cell mediated T lymphocytes
Humoral B lymphocytes; cell mediated neutrophils
Humoral T lymphocytes; cell mediated neutrophils
Humoral neutrophils; cell mediated T lymphocytes

Question 3 (Multiple Choice Worth 2 points)

(06.04 MC)

The left half of this diagram shows a front view of the female reproductive system. It shows a pink, roughly heart-shaped organ with a large canal extending out of its inferior side. In addition, two smaller tubes extend outward from it

Based on the diagram above, what is the function of A?

Fertilization and protection of the zygotes
Creation of zygotes and production of estrogen and testosterone
Creation of egg cells and production of estrogen and progesterone
Production and encapsulation of the egg cells

Question 4 (Multiple Choice Worth 2 points)

Â

(04.02 MC)

Which of the formed elements of blood defends against pathogens?Â

White blood cells
Red blood cells
Antibodies
Plasma

Question 5 (Multiple Choice Worth 2 points)

(06.05 MC)This is a two-part diagram showing maternal circulation on the left and fetal circulation on the right. Letter A indicates a large crescent-shaped organ that contains blood from the maternal circulation and blood from the fetal circulation. A large tube containing arteries and veins extends out from the crescent-shaped organ into the fetal circulatory system. The tube is labeled letter C. Letter B indicates a junction within the fetal circulatory system at which an artery from the tube indicated by letter C connects with a large blue vein extending down from the heart. This connection occurs very close to the liver. Letter D indicates a connection between the large blood vessel that extends from the right atrium of the fetal heart and a large, arch-shaped vessel that connects to the left ventricle of the fetal heart.
Image Courtesy of 3DScience.com

Which structures in the diagram above connects the umbilical vein with the vena cava and connects the pulmonary artery with the aorta?

A, the ductus arteriosus; D the ductus venosus
B, the ductus arteriosus; D the ductus venosus
B, the ductus venosus; D the ductus arteriosus
A, the ductus venosus; D the ductus arteriosus

Question 6 (Multiple Choice Worth 2 points)

(05.02 MC)

A doctor notices that a patient is having difficulty absorbing nutrients. Which structure is most likely involved in the patients problem?

Explanation & Answer

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