Iodine is essential for the synthesis of which kind of hormones?
A) estrogen B) growth C) androgen D) thyroid
D
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Why does use of the BMI overestimate the prevalence of obesity in the African-American population?
a. The fat pads in blacks are situated primarily around the hips, whereas in whites the pads are primarily abdominal. b. Blacks tend to have different proportions of brown and white adipose tissue than whites. c. Blacks have denser bones and higher body protein concentrations than whites. d. Blacks have a higher average height than whites. e. Blacks have both lower average height and higher average weight than whites.
Hannah, a 23-year-old woman, suffers from chills and fever. A clinical diagnosis of her blood sample shows that she has typhoid. In this scenario, which of the following proteins are most likely to be produced in her body as a defense mechanism?
A) Ovalbumin B) Cholecystokinin C) Amylase D) Immunoglobulin
Which of the following is a hormone that is released in response to low blood calcium levels?
A) parathyroid hormone B) serotonin C) estrogen D) insulin
What is a feature of vitamin B12 bioavailability?
A) ?Synthetic B12 in supplement form is highly utilizable. B) ?Fermented soy products are optimal sources of the vitamin. C) ?Yeast consumed by vegans is a good source of the vitamin. D) ?Sea algae such as spirulina contain vitamin B12 that is about 50 percent available.