week 8 review

Question 1

This heavy metal has both an essential form and a toxic, nonessential form. When absorbed it will be bound by transferrin and transported by albumin.

Answer 1

chromium

Question 2

Over the decades, this element has been considered a toxic element, a carcinogen, essential element, and an anti-carcinogen. It is also involved in the metabolism of thyroid hormones.

Answer 2

selenium

Question 3

A vitamin _________ is due to either inadequate diet, inadequate GI absorption, competing organisms (parasites).

Answer 3

deficiency

Question 4

This deficiency in this vitamin is associated with hair loss, anorexia, and depression. It is often found in hair products and supplements. Taking supplements that contain this may cause interference with certain test assays.

Answer 4

B7 (biotin)

Question 5

Put in the order of electrophoretic mobility (slowest to fastest) on cellulose acetate

Answer 5

• C (crawl)
• S (slow)
• F (fast)
• A (accelerated)

Question 6

What is NOT a reason to order/perform a myoglobin test?
- rhabdomyolysis
- dehydration
- myocardial infarction
- diagnosis of hereditary progressive muscular dystrophy

Answer 6

dehydration

Question 7

The most common abnormalities in the structure of hemoglobin is

Answer 7

amino acid substitutions
- hgb S, C etc

Question 8

Which of the following is a qualitative screening test for porphobilinogen tat may be performed to aid in the diagnosis of the porphyrias?
- caraway test
- gutman test
- jendreassik-grok test
- watson-schwartz test

Answer 8

watson-schwartz
- addition of erhlichs reagent and 2M HCl where prophyrins turn pink