Which of the following fetal shunts connects the umbilical vein with the inferior vena cava?
A. ductus arteriosus
B. umbilical vein
C. umbilical artery
D. ductus venosus
E. foramen ovale
D
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The portion of the adult brain that includes the medulla oblongata is derived from which secondary brain vesicle?
A. Telencephalon B. Diencephalon C. Myelencephalon D. Metencephalon E. Mesencephalon
If the hyoid bone is not attached to another bone why is it so important?
What will be an ideal response?
Arrange the following in proper sequence as they occur first in the body.(1) Digestion(2) Elimination(3) Ingestion(4) Absorption
A. 3, 4, 2, 1 B. 4, 1, 2, 3 C. 3, 4, 1, 2 D. 3, 1, 4, 2 E. 1, 4, 3, 2
The decreased lens elasticity associated with aging that makes it difficult to focus on near objects is known as:
A) myopia B) presbyopia C) strabismus D) hyperopia E) hemianopia