Question

1. the pigment that provides brown or black color to hair is ____.

a. ionic
b. eumelanin
c. pheomelanin
d. telogen

1. what pigment in hair provides natural colors ranging from red and ginger to yellow and blond tones?

a. eumelanin
b. neuromelanin
c. pheomelanin
d. keratin

1. vellus hair is also known as ____ hair.

a. straight
b. melanine
c. lanugo
d. terminal

1. what is the technical term for gray hair?

a. albinism
b. canities
c. albino
d. ringed hair

1. the condition of abnormal hair growth of terminal hair is referred to as ____.

a. monilethrix
b. trichoptilosis
c. hypertrichosis
d. trichoptilosis

1. what is a condition that is characterized by brittleness and the formation of nodular swellings along the hair shaft?

a. fragilitas crinium
b. trichorrhexis nodosa
c. alopecia areata
d. hypertrichosis

1. what is the medical term used to describe dandruff?

a. alopecia
b. selenium
c. pityriasis
d. pyrithione

1. current research confirms that dandruff is the result of a fungus called ____.

a. pyrithione
b. steatoides
c. capitis
d. malassezia

Explanation:

Question 16

The pigment eumelanin is responsible for brown or black hair color. Option a (ionic) is not a pigment. Option c (neuromelanin) is in the nervous system. Option d (telogen) is a hair growth phase. So the correct answer is b. Eumelanin.

Pheomelanin gives hair natural colors from red/ginger to yellow/blond. Option a (Eumelanin) is brown/black. Option b (Neuromelanin) is not for hair color. Option d (Keratin) is a hair structural protein. So the correct answer is c. Pheomelanin.

Vellus hair is also called lanugo hair (though sometimes referred to as "peach fuzz", but among the options, the correct term for vellus hair's alternate name here is lanugo? Wait, no, vellus hair is also known as "peach fuzz" but in the options, option b is lanugolike? Wait, the options: a. straight, b. lanamine (maybe typo for lanugo), c. peach, d. terminal. Wait, vellus hair is also known as "lanugo" in some contexts, but the option here is b? Wait, maybe the option is "lanugo" - but the option is b. lanamine (maybe typo). Alternatively, vellus hair is also called "peach fuzz" but option c is peach? Wait, no, the correct term for vellus hair's alternate name (among the options) - vellus hair is also known as "lanugo" or "peach fuzz", but the options: a. straight (not), b. lanamine (maybe lanugo), c. peach (maybe), d. terminal (terminal is the other type). Wait, the correct answer is c? No, vellus hair is also called "lanugo" in infants, but in adults, vellus is peach fuzz. Wait, the options: the question is "Vellus hair is also known as ____ hair." The correct answer is c. peach? Wait, no, maybe the option is b. lanamine (typo for lanugo). Alternatively, maybe the correct answer is c. peach. Wait, let's check: Vellus hair is the fine, short, unpigmented hair (like peach fuzz). So the answer is c. peach? Wait, no, the options: a. straight, b. lanamine, c. peach, d. terminal. So the correct answer is c. peach? Wait, maybe the option is b. lanugo (but written as lanamine). Alternatively, the correct answer is c. peach.

Answer:

b. Eumelanin

Question 17