T lymphocytes mature primarily in the thymus.
Answer the following statement true (T) or false (F)
True
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Malnutrition can cause edema because
A) there are not enough nutrients for plasma protein synthesis and interstitial protein levels are lower than plasma protein levels. B) there are not enough nutrients for plasma protein synthesis. C) interstitial protein levels are lower than plasma protein levels. D) the resulting anemia increases blood pressure. E) All of the answers are correct.
L-type calcium channels allow the refractory periods in the heart's contractile cells to be about as long as the cells' relaxation periods
Indicate whether the statement is true or false
Proteins that supply all of our essential amino acids are described as ________ proteins.
Fill in the blank(s) with the appropriate word(s).
Many athletes train at higher altitudes immediately prior to an athletic competition. Select the scenario that correctly identifies how acclimatization to a higher elevation would improve endurance performance.
A. A hypoxic ventilatory response occurs that remains in place for a few weeks after returning to a lower altitude. B. Increased ventilation at the higher altitudes will improve tidal volume when returning to the lower altitude. C. Erythropoietin release will increase; consequently, the athlete will have a greater aerobic capacity when returning to the lower altitude. D. Hemoglobin's affinity for oxygen will increase; therefore, tissues will receive more oxygen during exercise.