WRITTEN EXAM 2 QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2025
1. What is the outermost layer of the hair shaft?
a. Medulla
b. Cortex
c. Cuticle
d. Follicle
The cuticle is the outermost protective layer composed of overlapping
scale-like cells.
2. Which muscle surrounds the upper lip and elevates it, dilating the nostrils?
a. Risorius
b. Levator labii superioris
c. Orbicularis oris
d. Zygomaticus
This muscle helps in expressions such as snarling by raising the upper lip.
,3. What is the study of hair and its diseases called?
a. Dermatology
b. Cosmetology
c. Trichology
d. Pathology
Trichology is the branch of science dealing with the hair, scalp, and
related diseases.
4. What layer of the skin contains melanocytes?
a. Stratum corneum
b. Stratum basale (germinativum)
c. Stratum spinosum
d. Dermis
Melanocytes, which produce melanin, are found in the basal layer of the
epidermis.
5. What type of hair has the largest diameter and usually requires more
processing?
a. Medium hair
b. Coarse hair
c. Fine hair
d. Curly hair
Coarse hair has a thicker diameter and takes longer to process than fine
or medium hair.
6. Which of the following describes hair with high porosity?
a. Hair that absorbs moisture easily
, b. Hair that is resistant to moisture
c. Hair that is oily
d. Hair that is hard to lighten
High porosity hair readily absorbs moisture and is more prone to chemical
damage.
7. Which of the following is an example of a suspension?
a. Alcohol
b. Lotion
c. Calamine lotion
d. Hydrogen peroxide
A suspension like calamine lotion contains solid particles dispersed in a
liquid.
8. What type of bacteria causes pustules and boils?
a. Diplococci
b. Bacilli
c. Staphylococci
d. Spirilla
Staphylococci are responsible for pus-forming infections such as pimples
and boils.
9. The process of removing all dirt and debris to aid in preventing the growth
of microbes is:
a. Cleaning
b. Sterilization
c. Disinfection