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Which of the following blood types is a universal recipient?

A.

Type AB positive

B.

Type O negative

C.

Type B negative

D.

Type A positive

Answer and Explanation

The Correct Answer is A

A. Type AB positive blood is the universal recipient because individuals with this blood type can receive blood from all other blood types (A, B, AB, and O) due to the presence of both A and B antigens on their red blood cells, and the Rh factor being positive allows them to accept Rh-positive or Rh-negative blood. 

B. Type O negative blood is the universal donor, not the recipient. It can be given to any patient, but those with O negative blood can only receive from other O negative donors. 

C. Type B negative can only receive blood from B negative or O negative blood types, limiting its compatibility with other blood types. 

D. Type A positive individuals can receive blood from type A, type O, type B, and AB, but not as universally as AB positive, which is the universal recipient. 


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Related Questions

Correct Answer is C

Explanation

A. The endoplasmic reticulum (ER) is involved in the synthesis of proteins and lipids, but it is not responsible for ATP production.

B. Lysosomes are responsible for breaking down waste materials and cellular debris, but they do not play a role in ATP production.

C. Mitochondria are the powerhouses of the cell, where ATP is produced through cellular respiration. They convert nutrients into energy, making them the primary site for ATP production.

D. Ribosomes are responsible for protein synthesis, not ATP production. They are found in the cytoplasm and on the rough endoplasmic reticulum.

Correct Answer is C

Explanation

A. Elastin is a protein found in connective tissue that provides elasticity, allowing the skin and other tissues to return to their original shape after stretching. It does not influence skin color.

B. Hemoglobin is the oxygen-carrying component of red blood cells. It gives the skin a reddish tint due to blood flow, but it is not the primary determinant of overall skin color.

C. Melanin is the pigment produced by melanocytes in the skin. The type and amount of melanin determine the color of an individual's skin, with darker skin having more melanin.

D. Keratin is a structural protein found in the skin, hair, and nails, providing strength and protection. While it contributes to the skin's texture and appearance, it does not determine skin color.

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