How many chemical steps are required for the rephosphorylation of ATP by creatine phosphate?
a. 1
b. 3
c. 18
d. 124
Q. 2The International System of Units (SI units) for energy is the ____.
A) calorie
B) watt
C) kilocalorie
D) joule
Q. 3Based on dietary intake only, whom would you expect to have the lowest amount of muscle creatine?
a. Vegetarians
b. Red meat eaters
c. Fish eaters
d. No differences would be expected based on dietary intake
Q. 4If a food contains 350 calories, how many kilocalories does it contain?
A) 148
B) 350
C) 1,480
D) 3,500
Q. 5Which of the following is a true statement regarding the function of creatine phosphate (CrP)?
a. It functions in exactly the same way as ATP; there is just less CrP in cells
b. CrP directly powers muscle contraction
c. CrP rapidly replenishes ATP
d. All of the above
Q. 6Under the most demanding conditions (e.g., very high-intensity exercise), ATP concentrations in exercising skeletal muscles rarely drop more than ____ percent.
A) 5 to 10
B) 10 to 20
C) 20 to 30
D) 40 to 50
Q. 7What is creatine phosphate (CrP)?
a. An amino acid
b. A nitrogen-containing compound made from amino acids
c. A phosphate-containing protein
d. A byproduct of the breakdown of creatinine
Q. 8The two most common factors that influence enzymatic activity are ____.
A) time and temperature
B) temperature and pH
C) pH and oxygen availability
D) oxygen availability and time
Q. 9When energy in is greater than energy out a person's body weight will _____.
Fill in the blank(s) with correct word
Quick Reply
