Question

1.during exercise,which of the following fuel sources can ba used as fuel by muscles if the work is either aerobic (with oxygen) or anaerobic (without oxygen)?

a. fat

b. carb

c.protein

d all

2.you notice your friend has a smooth purple tongue and they have complaining of muscle fatigue/weakness to the point where if they squat down they are unable to stand back up. you suspect they may have signs of this nutrient deficiency diseases?

a.pellagra

b.beriberi

c.scurvy

d.rickets

3.who of the following would have the greatest increased need for iron?

a.elderly male

b.college aged male

c.infant male

Answer 1

1. Option D is correct. as carbohydrate , fat and protein all are used as energy source during aerobic (with oxygen) or anaerobic (without oxygen) work.

2. Smooth purple tongue and they have complaining of muscle fatigue/weaknessis the sign of pelegra.

3. college aged male/teen would have greatest increased need for iron