Integument Accessories/Skin Appendages

Multiple Choice

Which of the following statements is TRUE regarding hair?

•  Hair consists of alive, keratinized cells that originated in the dermis

• Hair follicles are only found in thick skin

• The main influencing factors for hair growth are nutrition, hormones & diet

• Hair only has sweat glands attached to the follicle, to moisten the hair shaft

Multiple Choice

Which of these statements is NOT true of hair?

• The hair follicle wall is part dermis, part epidermis

• The root hair plexus allows the hair to assist in touch sensation

• The arrector pili muscle is attached to the follicle

• The hair root contains only 2 layers

Draw

Identify the medulla (red), cortex (yellow) & cuticle (green)

Multiple Choice

Which of the statements about nails is NOT true?

• Nails are scale-like modifications of the epidermis

• Nails are made up of dead cells filled with keratin, like our hair & epidermis

• Nails, like hair, can provide information on your health

• Nails contribute to the skin's function of water regulation

Multiple Choice

What are the two types of sudoriferous glands?

• eccrine & sebaceous

• eccrine & apocrine

• apocrine & sebaceous

• apocrine & mammary

Multiple Choice

Which of the following statements best describes eccrine sweat glands?

• Eccrine glands are found in the armpits & pubic regions, secrete sticky, cloudy "sweat" that bacteria like to "eat" & are hormonally controlled

• Eccrine glands secrete sebum into hair follicles or directly onto the skin in certain regions of the body, & provides lubrication to hair shafts

• Eccrine glands are located all over the body, release sweat directly onto the skin surface & play a major role in thermoregulation

• Eccrine glands produce a "modified" sweat product called cerumen (earwax) that prevents foreign particles from entering the ear

Multiple Select

Which of the following is/are typically found in the sweat secreted from eccrine glands? MARK ALL THAT APPLY.

• water

• salts

• metabolic waste

• microbe-killing peptides

• antibodies

Multiple Choice

Which of the following statements best describes apocrine sweat glands?

• Apocrine glands are found in the armpits & pubic regions, secrete sticky, cloudy "sweat" that bacteria like to "eat" & are hormonally controlled

• Apocrine glands secrete sebum into hair follicles or directly onto the skin in certain regions of the body, & provides lubrication to hair shafts

• Apocrine glands are located all over the body, release sweat directly onto the skin surface & play a major role in thermoregulation

• All apocrine glands produce a "modified" sweat product called cerumen (earwax) that prevents foreign particles from entering the ear

Multiple Select

Which of the following is/are true of apocrine sweat glands secretions?

MARK ALL THAT APPLY.

• Consists of sweat, proteins, & fatty substances

• It's viscous; usually milky or yellowish

• It's odorless - until bacteria interacts with it

• These secretions are hypothesized to be a sexual scent

Multiple Choice

Which of the following statements best describes sebaceous glands?

• Sebaceous glands are found in the armpits & pubic regions, secrete sticky, cloudy "sweat" that bacteria like to "eat" & are hormonally controlled

• Sebaceous glands secrete sebum into hair follicles or directly onto the skin in certain regions of the body, & provides lubrication to hair shafts

• Sebaceous glands are located all over the body, release sweat directly onto the skin surface & play a major role in thermoregulation

• Sebaceous glands produce a "modified" sweat product called cerumen (earwax) that prevents foreign particles from entering the ear

Multiple Choice

The clogging of pores due to the build up of excess sebum and dead skin cells can lead to a bacterial breeding ground, which often leads to inflammation. This condition is often referred to as...?

• acne

• eczema

• hives

• warts