Which layer of the skin stores fats, cushions body, and helps regulate body temperature?
Epidermis
Subcutaneous (hypodermis)
Dermis
Keratin
The Correct Answer is B
A. Epidermis: The epidermis is the outermost layer of the skin responsible for protection but does not store fat or regulate temperature.
B. Subcutaneous (hypodermis): The subcutaneous layer (hypodermis) contains adipose (fat) tissue, which insulates the body, cushions internal structures, and stores energy.
C. Dermis: The dermis contains blood vessels, nerves, and connective tissue but does not store fat.
D. Keratin: Keratin is a protein found in the epidermis that provides strength and waterproofing but does not regulate temperature or store fat.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. It is due to too much glucose in the cells: Diabetes is characterized by high blood glucose levels due to impaired insulin action, not excessive glucose within the cells.
B. Very few people have the disease: Diabetes is a common chronic disease, affecting millions worldwide.
C. Lifestyle choices (diet and exercise) have no effect on it: Lifestyle choices significantly impact diabetes management, particularly for Type 2 DM, where diet and exercise help control blood sugar levels.
D. It is related to abnormal insulin production and/or impaired insulin utilization: Diabetes Mellitus occurs due to either inadequate insulin production (Type 1 DM) or insulin resistance (Type 2 DM), leading to hyperglycemia.
Correct Answer is D
Explanation
A. They give the body essential amino acids: Carbohydrates do not provide amino acids; proteins are the primary source of amino acids.
B. They give the body quick energy: Simple carbohydrates (monosaccharides) provide quick energy as they are rapidly absorbed and metabolized.
C. They give the body nonessential amino acids: Carbohydrates do not contribute to amino acid supply; nonessential amino acids can be synthesized by the body.
D. They give the body sustainable energy: Complex carbohydrates, such as whole grains and fiber, provide long-lasting energy as they take longer to break down into glucose.
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