GED Science Practice Test 2026 [Timed 90 Minutes – 35 Questions]

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Blood is made up of two main elements: (1) plasma, which is largely water and proteins, and (2) the solid components of blood—red blood cells, white cells, and platelets (important for forming clots). If a patient has lost a lot of blood, he or she may receive a transfusion of “whole blood,” which includes red blood cells and plasma. However, sometimes the patient needs only an increase in the volume of liquid in the bloodstream, in which case plasma alone may be substituted. A person must be tested for blood type before receiving certain kinds of transfusions because of differences in the ways that red blood cells react to one another. Under what conditions would such testing be necessary?

for whole blood transfusions only Water, in limited amounts, is vital to the germination process. Bees serve as pollinators. The Fault City main quake had a larger amplitude than did the Nicaragua quake.

Correct Answer:

for whole blood transfusions only

Explanation:

Correct answer: for whole blood transfusions only

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