Blood group antigens are protein molecules located on the cell membranes of ________
A) leukocytes
B) clotting factors
C) thrombocytes
D) erythrocytes
D
Explanation: A) Blood group antigens are not located on leukocytes.
B) Blood group antigens are not located on clotting factors.
C) Blood group antigens are not located on thrombocytes.
D) Correct! The cell membrane of erythrocytes contains antigens for blood groups.
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Disorders of _____ are commonly known as bleeding disorders
A) anemia B) hemolysis C) hemostasis D) ischemia
All of the following reflect trends in longevity EXCEPT
A. People in the United States are living longer. B. The infant death rate is at an all-time high. C. Women tend to live longer than men. D. Although the gap is narrowing, whites tend to live longer than blacks.
Chronic ____________________ is a condition in which venous circulation is inadequate due to partial vein blockage or leakage of venous valves
Fill in the blank(s) with correct word
Most Americans are sufficiently active for optimal health
Indicate whether the statement is true or false