During periods of fasting, why is fat said to have a protein-sparing effect?
A. The body must have an adequate fat intake in order to absorb and metabolize proteins.
B. The body must have an adequate protein intake in order to absorb and metabolize fats.
C. The body metabolizes fats and proteins through the same metabolic pathways.
D. The body oxidizes its spare protein before it depletes its fat reserves.
E. The body does not oxidize its proteins unless it has consumed its fat reserves first.
Answer: E
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When does fertilization usually occur?
A. As soon as the egg erupts from the ovary B. Within two hours of ovulation C. Within the first 24 hours of ovulation D. Not before 48 hours after ovulation E. The event is too variable for us to predict a specific time frame.
Oxygen is carried in the blood in the form of bicarbonate ions and is bound to hemoglobin.
Answer the following statement true (T) or false (F)
Which of the following structures carries urine out of the body?
A. Vas deferens B. Renal pelvis C. Ureter D. Urethra
The figure illustrates muscles of the thorax and abdomen. Which structure is indicated by "E"?
A. Rectus abdominis B. Serratus anterior C. External oblique D. Internal oblique E. Linea alba