BIO 134 - Chapter 12 Quiz

Which of the following is found in the first stage of iron deficiency?

Iron stores decline as assessed by serum ferritin.

What is the oxygen carrying protein of muscle cells?

Myoglobin

A person's bone density is highest at around age

30 years

In general, mineral binders __________ the bioavailability of nutrients.

decrease

Fluorosis is a condition result from ____________

fluoride toxicity

In general, estrogen, weight bearing activities and being overweight are factors that __________ bone density

increase

Cretinism is due to ___________ deficiency

iodine

Almost all (99%) of the calcium in the body is used to

provide rigidity for the bones and teeth.

Keshan's Disease is a result of _____________ deficiency.

selenium

In general, which type of iron source has a higher bioavailability?

heme iron