TRACE ELEMENTS

Question 1

Analytical procedure for quantitative determination of elements through the absorption optical radiation by free atoms in the gas state

Answer 1

Atomic absorption spectrometer

Question 2

Measure mass to charge ratio in our ions

Answer 2

Mass spectrometry

Question 3

Has excellent sensitivity but slow speed

Answer 3

Graphite furnace atomic absorption spectroscopy

Question 4

widely used because of its sensitivity, wide range of elements covered. and relative freedom from interferences

Answer 4

Inductively coupled plasma mass spectrometry

Question 5

Lab evaluation for aluminum

Answer 5

ICP-MS or GFAAS with urine or serum as specimen

Question 6

odorless, tasteless, and one of the most common poisons in human history

Answer 6

Arsenic trioxide

Question 7

T or F

Food is the largest source of arsenic exposure

Answer 7

True

Question 8

Disease that affects brain function or structure

Answer 8

Encephalopathy

Question 9

Most abundant metal

Answer 9

Aluminum

Question 10

Why is absorption of cadmium higher in females than in males?

Answer 10

Due to differences in iron stores

Question 11

what anticoagulant can be used as a chelating agent in cadmium poisoning

Answer 11

EDTA

Question 12

lab evaluation of chromium

Answer 12

GFAAS or ICP-MS

plasma, urine, blood

Question 13

an important cofactor for several metalloenzymes and is critical for the reduction of iron in heme synthesis

Answer 13

Copper

Question 14

Copper is found in high concentration in what body parts

Answer 14

Liver
brain
heart
kidneys

Question 15

X-linked recessive disorder caused by mutations in genes coding for copper transport protein leading to copper deficiency

Answer 15

Menke’s disease

Question 16

Genetic disorder in which excess copper builds up in the body causing ____

(2 answers)

Answer 16

Wilson’s disease; Kayser-Fleischer rings

Question 17

too much iron can lead to ___

Answer 17

Hereditary hemochromatosis

Question 18

Measures the ferric state bound to transferrin

Answer 18

Total iron content (50-160ug/dL)

Question 19

Poor conductor of electricity and heat

Answer 19

Lead

Question 20

Specimen of choice for lead analysis

Answer 20

whole blood

Question 21

T or F:

Manganese deficiency can lead to nervous system disorders

Answer 21

False; Manganese toxicity

Question 22

Naturally occuring metalloid similar to sulphur

Answer 22

Selenium

Question 23

used as treatment for wilson’s disease

Answer 23

Zinc