Exam 9: Minerals

Many adults take in too little dietary calcium, but high-dose calcium supplements after the age of 50 can compensate for low peak bone mineral density.

The hormone that influences proper osteoclastic activity is ____.

A dietary source of chromium is ____.

Calcium and iron compete with each other for absorption.

Normal hematocrit is defined as ____.

Excretion of minerals is generally ____.

Many distance runners have low bone density, which is most likely due to ____.

Some young adult amenorrheic distance runners and ballerinas may have osteopenia and osteoporosis, conditions generally associated with older women.

How much calcium should a 25-year-old male or non-pregnant female consume daily?

Bone-forming cells are known as ____.

When iron-deficiency anemia is present, aerobic capacity declines and subsequently increases with iron supplementation.

Match the mineral with the most appropriate food source. Use each answer only once. a.Selenium b.Zinc c.Iron d.Calcium e.Phosphorus -When lacking, could result in a higher incidence of colds due to a decreased immune system.

The majority of women in the U.S. consume an insufficient amount of dietary calcium.

While loss of bone calcium is prevalent in older women, older men rarely lose bone calcium.

The mineral predominantly found in hemoglobin is ____.

When blood calcium concentration decreases, calcium is immediately provided by the demineralization of bone.

Amenorrhea in female athletes is associated with low estrogen secretion that results in reduced bone mineral density.

Hemoglobin is an iron-containing protein.

Hematocrit is defined as the ____.

Absorption of minerals is generally ____.