Namei __ 56. Which layer of the hair shaft creates the shine and the smooth, silky feel of healthy hair? a. Hair Cortex b. Hair Cuticle e. Hair Medulla d. Arrector pill __ 57. The three different types of side bonds that link chains of amino acids together are __ a. hydrogen, salt, and disulfide b. helix, and disulfide c. hydrogen, ionic, and carbon d. oxygen,hydrogen, and salt __ 38. The ability of hair to stretch and return to its original length without breaking is referred to as hair __ a. elasticity b. resistance c. porosity d. density __ 59. A small, cone-shaped area located at the base of the hair follicle that fits into the hair bulb is the __ a. hair follicle b. hair strand c. dermal cuticle dermal papilla __ 60. A physical side bond that is easily broken by water and heat is a __ bond. a. hydrogen b disulfide c.sulfur d. nitrogen 61. The pigment that provides brown or black color to hair is __ a. ionic b. eumelanin c. pheomelanin d. telogen 2. What part of the hair is located below the surface of the epidermis? Hair root b. Hair medulla c.Hair shaft d. Hair cuticle What is the technical term for brittle hair? a.Pruritis b. Hypertrichosis c. Fragilitas crinium d. Pityriasis capitis simplex

56. The correct answer is b. Hair Cuticle. The hair cuticle is the outermost layer of the hair shaft and is responsible for creating the shine and smooth, silky feel of healthy hair. The cuticle layer consists of overlapping scales that reflect light, giving the hair its shiny appearance.<br /><br />57. The correct answer is a. hydrogen, salt, and disulfide. These are the three different types of side bonds that link chains of amino acids together in proteins, including those found in hair.<br /><br />58. The correct answer is a. elasticity. The ability of hair to stretch and return to its original length without breaking is referred to as hair elasticity.<br /><br />59. The correct answer is d. dermal papilla. The dermal papilla is a small, cone-shaped area located at the base of the hair follicle that fits into the hair bulb.<br /><br />60. The correct answer is a. hydrogen. Hydrogen bonds are physical side bonds that are easily broken by water and heat.<br /><br />61. The correct answer is b. eumelanin. Eumelanin is the pigment that provides brown or black color to hair.<br /><br />62. The correct answer is a. Hair root. The hair root is the part of the hair located below the surface of the epidermis.<br /><br />63. The correct answer is c. Fragilitas crinium. Fragilitas crinium is the technical term for brittle hair.