The flaplike opening in the interatrial septum of the fetus through which blood is shunted directly from the right atrium to the left atrium is the ________
A) ductus arteriosus
B) ligamentum arteriosum
C) ductus venosus
D) foramen ovale
D
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In these views of the larynx, what structure does number 4 indicate?
A. Arytenoid cartilage B. Tracheal cartilage C. Thyroid cartilage D. Corniculate cartilage E. Cricoid cartilage
The caudal part of the vertebral column extending beyond the trunk is the ________
Fill in the blank(s) with correct word
List the blood vessels that a drop of blood will pass through as it leaves the head and travels towards the heart: 1. External jugular vein 2. Precava 3. Subclavian vein 4. Brachiocephalic vein
A) 1, 3, 4, 2 B) 1, 2, 3, 4 C) 1, 4, 2, 3 D) 1, 4, 3, 2
Check all that occur at the cellular level as a result of aging.
A. Cells experience increased metabolic functions. B. Cells experience a decreased ability to maintain homeostasis. C. The risk for unsuccessful completion of sex cell division and maturation decreases. D. The process of cell division becomes faulty, resulting in a greater risk for cancer.