Lecture 04-03-2017

Question 1

Medical Geology

Answer 1

The relationship between natural geological factors and their effects on human and animal health.

Question 2

Trace element detection caveat.

Answer 2

Not all elements are detected at equally low concentrations–some can be detected at the resolution of ppm while others can be detected at ppb.

Question 3

__% of living tissue is composed of __ bulk elements within first __ of Periodic Table

Answer 3

99% of living tissue is composed of 12 bulk elements within first 20 elements of Periodic Table.

Question 4

Trace elements mainly below atomic number __ (except iodine)

Answer 4

48

Question 5

Iodine deficiency

Answer 5

goitre

Question 6

Cr (chromium)

Answer 6

Enhances stimulatory effects of insulin

Deficiency is factor in hardening of arteries

Question 7

Co (Cobalt)

Answer 7

In vitamin B-12 (only one with metal ion)

Deficiency is a risk factor associated with livestock disease

Question 8

F (Fluorine)

Answer 8

Reduces dental caries (decay) and osteoporosis

Excess causes fluorosis

Question 9

M (Molybdenum)

Answer 9

Required by plants and animals

Deficiency reduced plant yield, animal kidney stones