An individual with which of the following blood types can receive all types of blood?
AB positive
A positive
B negative
O negative
The Correct Answer is A
a. AB positive: Individuals with AB positive blood are universal recipients. They have A and B antigens on their red blood cells but no antibodies (anti-A or anti-B) in their plasma. Therefore, their body will not reject blood types A, B, AB, or Rh positive or negative.
b. A positive: Individuals with A positive blood can only receive A positive or O positive blood. Their plasma contains anti-B antibodies, which would attack blood types B and AB.
c. B negative: Individuals with B negative blood can receive B negative or O negative blood. Their plasma contains anti-A antibodies, which would attack blood types A and AB. The Rh factor is another compatibility consideration, but the question specifies positive.
d. O negative: Individuals with O negative blood are universal donors but not universal recipients. Their red blood cells lack A and B antigens, so they can be donated to anyone. However, their plasma contains anti-A and anti-B antibodies, so they can only receive O negative blood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
a. Kidneys: Kidney dysfunction can affect waste elimination and fluid balance but does not typically cause yellow sclera.
b. Appendix: The appendix is involved in the immune response and gut flora regulation but not in causing yellow sclera.
c. Liver: Liver dysfunction can lead to jaundice, where bilirubin accumulates in the blood and tissues, causing yellowing of the skin and sclera.
d. Spleen: The spleen is involved in blood filtration and immune response but does not directly cause yellow sclera
Correct Answer is D
Explanation
a. Blood clot formation: This is one of the later stages of hemostasis, involving the formation of a fibrin clot to seal the wound.
b. Platelet aggregation: This occurs after the initial vasoconstriction and is part of the platelet plug formation phase.
c. Activation of prothrombin: This occurs in the coagulation phase where prothrombin is converted to thrombin, leading to the formation of a fibrin clot.
d. Constriction of smooth muscle in blood vessels: This is the first response, known as vascular spasm or vasoconstriction, which reduces blood flow to the area and minimizes blood loss.
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