How many chromosomes do human somatic cells contain?
A) 22
B) 23
C) 44
D) 46
E) 92
Answer: D
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Why is it important for an oncologist to understand lymphatic drainage?
A. Cancer cells often metastasize via the lymphatic system. B. Lymphomas are the most common cancers in the body. C. Most cancers start in the lymphatic system. D. Oncologists can use lymphatic drainage to help drain a cancer from an area of the body.
Distinguish between chemical digestion and absorption
A) Chemical digestion involves the entry of food and liquid into the digestive tract, whereas absorption involves the discharge of indigestible food into material waste. B) Chemical digestion involves the breakdown of food, whereas absorption involves the movement of nutrients across the digestive epithelium into the interstitial fluid. C) Chemical digestion involves the discharge of indigestible food into material waste, whereas absorption involves the entry to food and liquid into the digestive tract. D) Chemical digestion involves the crushing and shearing of food, whereas absorption involves the movement of nutrients across the digestive epithelium into the interstitial fluid. E) Chemical digestion involves the movement of food along the digestive tract, whereas absorption involves the secretion of acids, enzymes, and buffers.
Thrombocytopenia is due to a deficiency of
A) leukocytes. B) platelets. C) vitamin K. D) factor VII.
A baby has three copies of each chromosome in every cell. She is
A) polyploid. B) euploid. C) diploid. D) aneuploid.