Which tissue type forms the skin's outer layer?
Muscle
Epithelial
Nervous
Connective
The Correct Answer is B
A. Muscle: Muscle tissue composes organs that generate force and movement, not the skin’s outermost layer.
B. Epithelial: The epidermis is made of stratified squamous epithelial cells and forms the skin’s outer layer.
C. Nervous: Nervous tissue (sensory nerve endings) is present in skin but is not the tissue that forms the outer surface.
D. Connective: The dermis is connective tissue beneath the epidermis and supports the outer layer, but it is not the outermost tissue.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Carpi: Refers to the carpus (wrist) region, not the arm.
B. Tarsal: Refers to the tarsus (ankle/foot) region, not the arm.
C. Brachii: From brachium, meaning arm; used in anatomical terms like biceps brachii.
D. Nasal: Pertains to the nose, not the arm.
Correct Answer is A
Explanation
A. Proteins: Most enzymes are proteins (polypeptides) that catalyze biochemical reactions; a few enzymes are RNA molecules (ribozymes) but proteins are the predominant enzyme class.
B. Lipids: Lipids are structural and energy-storage molecules (fats, phospholipids) and are not the main class of enzymes.
C. Nucleic acids: Nucleic acids store and transmit genetic information; a minority of catalytic molecules (ribozymes) are RNA, but enzymes are chiefly proteins.
D. Carbohydrates: Carbohydrates provide energy and structural components (polysaccharides) and are not enzymes.
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