Prostaglandins are ________.
A. long-range hormones
B. formed slowly
C. limited in function
D. produced by many body tissues
Answer: D
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Answer the following statement(s) true (T) or false (F)
1. Endocrine glands release their hormones into the blood via a duct system. 2. Hormones are not very specific about the cells they affect. 3. With increasing age, the thymus increases in size. 4. Testosterone is a gonadotropin.
The distribution of ABO blood types among Korean Americans differs markedly from
that of Native Americans in that A) Korean Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Native Americans have mostly type O, with type AB very rare. B) nearly all Native Americans are type AB, with very few type O. C) Native Americans have about equal frequency of types O, A, and B, with 10% AB, whereas Korean Americans have mostly type O, with type AB very rare. D) nearly all Korean Americans are blood types A or B.
A typical gustatory cell survives for only about ________ days before it is replaced
A) 1 B) 3 C) 5 D) 10 E) 20
The liver performs all of the following functions except ________.
A. synthesizing cholesterol B. producing insulin and glucagon C. converting ammonia to urea D. synthesizing glucose from fats and amino acids E. carrying out most beta oxidation