Which of the following is a feature of osteoporosis?
a. It is most common in men over 45 years of age
b. It has virtually no effect on blood calcium levels
c. It results from short-term deprivation of dietary calcium
d. It causes significant alterations in the blood levels of parathormone and calcitonin
b
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Because of a condition known as atrophic gastritis, older adults sometimes need to be given
periodic injections of B12. Indicate whether the statement is true or false
Noel is a 33-year-old kindergarten teacher who recently visited her doctor complaining of the sudden onset of diarrhea, abdominal pain, and bloody stools. Lab tests, imaging studies, and an endoscopy were used to diagnose Crohn's disease. Drug therapy has helped to control the symptoms, but Noel has been told that there is no cure for the disease and she may experience exacerbations from time to
time for the rest of her life.If Noel's Crohn's disease worsens, it could place her at risk for malnutrition due to all of these reasons except _____. a. reduced food intake b. surgery that shortens the small intestine c. malabsorption of nutrients d. ulceration in the esophagus e. mucosal scarring
Marcus has iron deficiency. He should consider including ________ in his diet, because it's a good source of heme iron.
A. tea B. yogurt C. liver D. spinach
Elements on the periodic table are arranged into groups and periods and ordered according to:
A. atomic number B. number of protons C. re-activity D. all of the above