Which of the following is true of iodine?
a. Many pregnant women in the United States are likely deficient in iodine.
b. Iodine toxicity significantly impairs brain development and function.
c. Iodine has many well-established roles in the body.
d. The majority of iodine in the American diet is provided by seafood.
Ans: a. Many pregnant women in the United States are likely deficient in iodine.
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Which trait is not found in metabolically active tissues that will encourage the release of oxygen?
a. High temperature b. Release from heme c. High pH d. High CO2 partial pressure e. Low pH
Activation of the parasympathetic nervous system
a. causes the pupils of the eye to constrict. b. decreases heart rate. c. decreases glandular secretions. d. contracts sphincters. e. increases the flow of thick saliva.
Preening by birds is an example of an inflammatory response to infection
Indicate whether the statement is true or false
Cell walls can be found as part of:
A) bacterial cells. B) protists and animal cells. C) plant cells, bacteria, fungi, and protists. D) animal cells, fungi, and protists. E) plant cells.