Jose has no A and no B antigens on his red blood cells. Jose's blood type is:
Туре В
Type A
Type O
Туре АВ
The Correct Answer is C
A. Type B: Type B RBCs express B antigen, so “no A and no B” would not be type B.
B. Type A: Type A RBCs express A antigen, so not correct here.
C. Type O: Type O RBCs lack both A and B antigens (so they are “no A, no B”).
D. Type AB: Type AB RBCs express both A and B antigens, opposite of “no A and no B.”
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. stomach: the stomach is an organ of the alimentary canal (not an accessory organ).
B. pharynx: the pharynx is part of the alimentary canal (passageway), not an accessory organ.
C. esophagus: the esophagus is part of the alimentary canal (conduit), not accessory.
D. pancreas: the pancreas is an accessory organ (secretes digestive enzymes and bicarbonate into the duodenum).
Correct Answer is A
Explanation
A. Altered oxygen-carrying capability of blood: RBCs (via hemoglobin) are the primary carriers of oxygen; too few (anemia) or dysfunctional RBCs reduce O₂ delivery, too many (polycythemia) can alter flow.
B. Altered ability to clot blood: clotting is primarily mediated by platelets and clotting factors, not by RBC count (RBCs can influence viscosity but are not the main clotting elements).
C. Altered ability to fight infection: fighting infection is mainly the role of leukocytes (WBCs), not RBCs.
D. Altered heart rate and contractility: significant changes in RBC number (especially anemia) can cause compensatory increases in heart rate and contractility to maintain oxygen delivery; polycythemia can also change cardiac workload.
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