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Abnormal redness of the skin can be described as

A.

pallor

B.

jaundice

C.

cyanosis

D.

erythema

Answer and Explanation

The Correct Answer is D

Rationale:
A. Refers to paleness of the skin, often caused by decreased blood flow, anemia, or shock. It is not redness.
B. Refers to a yellow discoloration of the skin and eyes, typically caused by liver disease or bile duct obstruction.
C. Refers to a bluish tint of the skin due to low oxygen levels in the blood.
D. Erythema describes abnormal redness of the skin caused by increased blood flow to the capillaries in the dermis, which may occur with inflammation, infection, fever, sunburn, or allergic reactions.


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Related Questions

Correct Answer is A

Explanation

Rationale:
A. The adult human skeleton typically consists of 206 bones, including the axial and appendicular skeletons. This total provides structural support, protection for vital organs, and facilitates movement.
B. 110 is too low and does not account for all bones in the adult skeleton.
C. 126 represents approximately the number of bones in the appendicular skeleton alone, not the entire body.
D. 80 corresponds roughly to the number of bones in the axial skeleton only, not the full adult skeleton.

Correct Answer is B

Explanation

Rationale:
A. Commonly called the collarbone, it is a long bone that connects the sternum to the scapula. It is not the breastbone itself.
B. The sternum, or breastbone, is a flat bone located in the center of the chest. It consists of three parts: the manubrium (upper portion), the body (middle and largest portion), and the xiphoid process (the small inferior tip). It serves as an attachment site for the ribs and clavicles, playing a vital role in protecting the heart and lungs.
C. Also called the shoulder blade, it is located on the posterior thoracic wall and does not form the breastbone.
D. This is the upper portion of the sternum, but it is not the entire breastbone.

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