Which side of the heart receives blood from the body and pumps it to the lungs?
A) both atria B) both ventricles C) left D) right
Answer: D
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Which of the following is not innervated by the lateral plantar nerve?
A) adductor hallucis B) abductor hallucis C) plantar interosseus D) dorsal interosseus E) abductor digiti minimi
Assume that the allele controlling brown eyes (B) is dominant over that controlling blue eyes (B) in human beings. (In actuality, eye color in humans is an example of polygene inheritance, which is much more complex than this
) A blue-eyed man marries a brown-eyed woman, and they have six children, all brown-eyed. What is the most likely genotype of the father? What is the most likely genotype of the mother? If a seventh child had blue eyes, what can you conclude about the parents' genotypes? What will be an ideal response
Retinaldehyde (retinal) is derived from ________.
A. opsin B. vitamin A C. vitamin C D. vitamin D
Which of the following statements concerning veins is FALSE?
A. There is less smooth muscle and elastic tissue in veins as compared to arteries. B. Veins contain so much of the body's blood that they are considered blood reservoirs. C. Weak venous valves may result in varicose veins. D. Skeletal muscle movement and breathing movements help in returning venous blood to the heart. E. The tunica interna is the thickest tunic in veins.