Which structure develops directly into a bilaminar germinal disc?
A. Embryoblast
B. Cytotrophoblast
C. Morula
D. Trophoblast
Answer: A
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How many tertiary bronchi are typically present in each lung?
A) 1-2 B) 3-4 C) 9-10 D) 15-20 E) 20-25
At what level on axial images is the SVC formed by the merger of the brachiocephalic veins?
A. above the heart B. at the same level as the heart C. below the level of the heart D. It is not the brachiocephalic veins that merge to form the SVC.
What are the mechanisms of peritubular capillary absorption?
a) active transport and solvent drag b) osmosis and bulk transport c) osmosis and solvent drag d) active and passive transport
Which carries oxygenated blood from the lungs to the heart?
A. Inferior vena cava B. Pulmonary trunk C. Pulmonary arteries D. Pulmonary veins E. Superior vena cava