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What are the two components of the integument?
Epidermis and dermis
What two glands open into hair follicles?
Sebaceous and apocrine glands
What is the function of Langerhans cells in the skin?
Phagocytosis of microbes
Match sensory receptors with function and location:
- Pacinian corpuscles → Deep pressure, found in deep dermis
- Meissner’s corpuscles → Light touch, found in upper dermis
- Nociceptors/Thermoreceptors → Detect pain and temperature changes
Match the following glands with their functions or locations
**Eccrine glands** → Most numerous sweat glands, cools body, responds to elevated temperature, secretes directly to skin pore
- Sebaceous glands → Secretes sebum, located everywhere except palms/soles, keeps hair soft and waterproof
- Apocrine glands → Produces odiferous secretions, found in groin and axilla
- Mammary glands → Secretes milk
- Ceruminous glands → Secretes ear wax
What is the correct order of epidermal layers from superficial to deep?
Corneum, lucidum, granulosum, spinosum, basale
In which epidermal layer are cells in contact with the basement membrane and constantly dividing?
Stratum basale
The skin is both an organ and an organ system.
True
Which hair follicle structure is incorrectly matched?
The arrector pili muscle moves the hair
Are these statements about skin layers true or false? 1. Dead skin cells are shed from the stratum basale. 2.The dermis is composed mainly of dense irregular connective tissue.
False—shed from stratum corneum.
True
What is the function of keratin?
Waterproofs the skin, forms hair and nails, and provides protection
Which of the following are true about the hypodermis? (Select 4 correct answers.)
✅ Composed mainly of adipose tissue
✅ Intradermal injections are administered here
✅ Located inferiorly to the dermis
✅ Helps to insulate the body
What structures in the hypodermis help regulate body temperature?
Blood vessels (dilation and constriction)
