1.34: Trace Elements
- Page ID
- 38614
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- The primary organ that is adversely affected by chronic toxic cadmium exposure is:
- muscle
- lung
- kidney
- pancreas
- testis
- Copper is a cofactor for a large number of enzymes called oxidases.
- True
- False
Use the following Key to answer Questions 3- 6
- 1, 2, and 3 are correct
- 1 and 3 are correct
- 2 and 4 are correct
- only 4 is correct
- all are correct
- Which of the following statements about chromium are true?
- It is an essential element.
- It is an important glucose tolerance factor.
- It is a co—factor in iron metabolism.
- It is found in urine mostly bound to peptides.
- Serum aluminum measurements may be requested for which of the following situations?
- monitoring end—stage renal dialysis patients.
- monitoring Al levels in dialysate water.
- patients receiving long term parenteral nutrition
- monitor liver transplant patients.
- Which of the following trace elements inhibit essential enzymes by reacting with the protein’s sulfhydryl groups?
- Mercury
- Lead
- Arsenic
- Aluminum
- Fluoride
- at concentrations of about 1 mg/L can promote caries resistance
- is not known to inhibit enzymes
- at concentrations greater than 10 mg/L can weaken teeth
- impairs thyroid gland function
- Answer
-
- c (p. 716)
- a (p. 710-711)
- a (p. 709)
- a (p. 715)
- b (p. 716,717)
- b (p. 712)