Red blood cells are also known as ____
a. erythrocytes
b. neutrophils
c. lymphocytes
d. eosinophils
e. macrophages
ANSWER: a
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Microorganisms require large quantities of ______ for use in cell structure and metabolism.
A. water B. trace elements C. growth factors D. electrolytes E. macronutrients
Uses of chlorofluorocarbons (CFCs) include all
EXCEPT which of the following? a. gasoline additives b. aerosol propellants c. refrigeration coolants d. manufacture of plastic foam e. components of solvents
A malignant tumor differs from an in situ tumor in that the malignant tumor has invaded the surrounding tissue and compromised the function of that tissue, whereas an in situ tumor has not compromised the surrounding tissue or spread from its
original location. Indicate whether the statement is true or false
Which of the following are consequences of hyperventilation?
a. Increasing H+ levels b. Increasing alveolar PCO2 c. Decreasing arterial PCO2 d. Higher blood pH