EC Skin Anatomy and Physiology 3

Question 1

Which layer of the epidermis contains cells with visible keratohyalin granules that contribute to the formation of keratin?

Accepted Answer

Stratum granulosum

Answer

Stratum basale

Answer

Stratum spinosum

Answer

Stratum lucidum

Question 2

The stratum lucidum is a clear, translucent epidermal layer found only in which body regions?

Accepted Answer

Palms of hands and soles of feet

Answer

Face and neck only

Answer

Scalp and eyebrows

Answer

Underarms and groin

Question 3

Langerhans cells found in the epidermis serve which primary function important for client safety?

Accepted Answer

Acting as immune surveillance cells that detect foreign antigens

Answer

Producing vitamin D when exposed to UV light

Answer

Generating new keratinocytes to replace damaged skin

Answer

Controlling skin hydration by regulating water loss

Question 4

When an electrologist observes telangiectasias (broken capillaries) on a client's face, these are located in which skin layer?

Accepted Answer

The dermis, within the papillary or reticular layer

Answer

Stratum basale of the epidermis

Answer

The hypodermis beneath the dermis

Answer

The stratum corneum at the skin surface

Question 5

The dermal papillae (finger-like projections of the dermis into the epidermis) serve which function critical to hair follicle health?

Accepted Answer

They bring blood supply and nutrients close to the epidermal cells and hair matrix

Answer

They anchor the hair shaft to prevent it from falling out

Answer

They secrete keratin to harden the hair shaft

Answer

They produce collagen fibers that form the hair follicle wall

Question 6

Which gland type present in the skin produces watery sweat important for thermoregulation and can affect treatment area cleanliness?

Accepted Answer

Eccrine sweat glands

Answer

Apocrine sweat glands

Answer

Sebaceous glands

Answer

Ceruminous glands

Question 7

Understanding skin elasticity and the concept of 'skin turgor' is important in electrolysis because:

Accepted Answer

Reduced skin turgor in aged or dehydrated skin can cause follicle distortion and make accurate probe insertion more difficult

Answer

It determines how deeply the probe must be inserted to reach the follicle

Answer

Turgor directly controls the amount of current needed to destroy the papilla

Answer

Higher skin turgor means more melanin production and greater pigmentation risk