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Flashcards in Final Deck (99)
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1

Trace elements are drawn in a ___ tube:

royal blue top

2

Testing for trace elements is often performed in ___:

clean rooms

3

List the two categories of trace elements:

Essential
Non-essential

4

Why are non-essential trace elements still of medical interest:

Because of their toxic properties

5

What is the preferred sample for arsenic testing:

urine
(blood has short half life)
(hair and nails used for chronic/long term exposure)

6

In 2000, ___ was approved to treat Acute promyelocytic leukemia:

Arsenic trioxide

7

Cadmium is absorbed primarily via __:

food

8

Newborns are virtually free of ____ :

cadmium

9

__ and ___ have higher rates of cadmium toxicity:

smokers
females

10

Why can blood samples be used to measure cadmium:

Cd binds to the RBC

11

Yellow containers may contain ___ in the pigments:

Cadmium

12

What is mercury's known function in humans:

none

13

Mercury exposure occurs via ___, __, and ___:

inhalation
ingestion
injection

14

Inorganic mercury is ____, organic mercury is ____:

inorganic: non-toxic
organic: toxic

15

Organic mercury is highly selective for lipid rich ___:

neurons

16

Lead exposure is primarily via __ and ___:

GI
Resp tract

17

All children under 2 are screened for ___:

lead

18

_____ most commonly used sample for lead testing, but __ and __ can also be used:

Venous whole blood
hair and nails

19

___ is widely used in mascara production and found in some tattoo pigments:

Mercury

20

Genetic condition causing copper toxicity:

Wilson's Disease

21

___ is the best known, least understood Copper protein:

Ceroloplasmin

22

Ceruloplasmin is an ___, contains 95% of copper in the body, allows Fe to enter transferrin w/o forming toxic Fe products:

alpha-2 globulin

23

Significantly elevated levels of ____ can cause plasma to appear greenish:

Ceruloplasmin

24

Extreme cases of Cu deficiency is called:

Menkes Disease

25

___ is associated with peculiar hair, growth retardation, appears at 3 months with death at 5 years:

Menkes Disease
(Cu deficiency)

26

This disease is seen at 6-40 years old, results in neuro and liver dysfunction, and is associated with Kayser-Fleischer rings:

Wilson's Disease
(Cu toxicity)

27

Kayser-Fleischer rings are:

green/brown discoloration of cornea associated with Wilson's Disease (Cu tox)

28

Zinc deficiency is confirmed via ___ and ___:

low urine zinc
decreased serum zinc

29

The body contains about __grams of iron, more than __ is in RBC's:

4-5
half

30

75% of __ is physiologically active, the rest is stored:

iron