Which skin structures are responsible for fingerprints?
Sudoriferous glands
Dermal papillae
Merkel cells
Arrector pili
The Correct Answer is B
Dermal papillae are small, raised structures in the dermis of the skin. They contain nerve endings, capillaries, and other specialized cells. Dermal papillae are responsible for creating fingerprints, as they push up into the epidermis and create ridges on the surface of the skin. These ridges are what give each person their unique pattern of fingerprints. Sudoriferous glands are responsible for producing sweat, Merkel cells are involved in touch sensation, and arrector pili are responsible for the contraction of hair follicles
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The popliteal artery is located behind the knee and is one of the major arteries that supplies blood to the leg and foot. Palpating the pulse in this artery can be done by pressing firmly on the area behind the knee, just below the crease. It is important to note that palpating the pulse in this area can be more difficult than other pulse points, as the artery is deep and surrounded by other structures such as muscle and bone.
Correct Answer is D
Explanation
Intramembranous ossification is a process of bone formation in which bone tissue forms directly within mesenchymal (undifferentiated) connective tissue membranes. This process is responsible for the formation of the flat bones of the skull, including the frontal, parietal, occipital, and temporal bones.
Long bones of the arms and legs, bones of the pelvic girdle, and vertebrae are formed by endochondral ossification, a different process of bone formation in which bone tissue replaces hyaline cartilage.
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