Biology Forums - Study Force

An athlete is in the early weeks of an aerobic training program and develops a decrease in hemoglobin concentration not associated with undue fatigue. Which statement is true?
 a. Decreased hemoglobin concentrations are never a cause for concern.
  b. The athlete has an iron deficiency.
 c. The athlete is experiencing low blood volume.
 d. Taking a vitamin mineral supplement is necessary to correct the issue.
  e. The athlete probably has a condition called sports anemia.

Q. 2

Calculate the protein needed by a male runner weighing 152 pounds who is training for an upcoming competition. He participates in sprints and hurdling races.
 a. 55-76 g/day
 b. 83-117 g/day
 c. 98-104 g/day
 d. 117-138 g/day
  e. 100-150 g/day

Q. 3

How can livestock farming be conducted so as to lessen the burden on the environment?

Q. 4

Calculate the recommended daily protein intake for a female marathon runner weighing 126 pounds.
 a. 46-50 g
  b. 69-80 g
  c. 88-92 g
  d. 92-97 g
  e. 80-90 g

Q. 5

In addition to not promoting cruelty to animals, give two other reasons why people may choose to be vegetarians.

Q. 6

A high school football player is eating enough protein foods in his diet to provide him with 2.5 grams per kg of his body weight. What type of benefit will he get from his high protein intake?
 a. This exceeds the recommendation for his sport so he should consider trading carbohydrate for some of the protein.
  b. This exceeds the recommendation for his sport so he should consider trading fat for some of the protein.
  c. Although this exceeds the recommendation for his sport he will benefit from the additional protein as the body converts it to muscle mass.
  d. This is an extremely toxic level that may cause serious health problems.
 e. His body will adjust to the higher protein intake to require that amount on a regular basis.

Q. 7

Your friend is very excited about the prospect of using corn as a source of bio-fuels to help lessen the nation's dependency on fossil fuels. You are a little concerned about the use of corn for bio-fuels for a couple of reasons. Explain your concerns to your friend.

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