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Questions and Answers
What is the main cell type found in the epidermis responsible for initiating immune responses?
What is the main cell type found in the epidermis responsible for initiating immune responses?
- Merkel cells
- Langerhans cells (correct)
- Keratinocytes
- Melanocytes
Which mechanism helps the body maintain balance between heat produced and heat lost to the environment?
Which mechanism helps the body maintain balance between heat produced and heat lost to the environment?
- Adrenaline secretion
- Negative feedback mechanism (correct)
- Positive feedback mechanism
- Thyroid regulation
What is the primary source of heat production in the body?
What is the primary source of heat production in the body?
- Digestive organs
- Peristalsis
- Liver metabolism
- Skeletal muscle contraction (correct)
Which process involves the conversion of water to water vapor for heat loss?
Which process involves the conversion of water to water vapor for heat loss?
Where is the temperature regulating center located in the body?
Where is the temperature regulating center located in the body?
Which structure in the skin is responsible for vitamin D synthesis upon exposure to sunlight?
Which structure in the skin is responsible for vitamin D synthesis upon exposure to sunlight?
What type of healing occurs without scar formation and is characterized by minimal tissue damage?
What type of healing occurs without scar formation and is characterized by minimal tissue damage?
What organ serves as a minor excretory system by eliminating sodium chloride through sweat?
What organ serves as a minor excretory system by eliminating sodium chloride through sweat?
Which part of the skin plays a significant role in sensation and perception of touch, pressure, and vibration?
Which part of the skin plays a significant role in sensation and perception of touch, pressure, and vibration?
What is the primary factor determining skin color in humans?
What is the primary factor determining skin color in humans?
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