Black8e Ch19 Tb
Chapter 19: Diseases of the Skin and Eyes; Wounds and Bites
Question Type: Multiple Choice
1) The majority of organisms normal to the skin are:
a) Gram-negative
b) Gram-positive
c) fungi
d) viruses
Answer: b
Difficulty: Easy
Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses.
Section Reference 1: Section 19.1 The Skin, Mucus Membranes, and Eyes
2) Which of the following is not considered resident microflora of the skin?
a) Staphylococcus
b) Corynebacterium
c) E. coli
d) Streptococcus
Answer: c
Difficulty: Easy
Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses.
Section Reference 1: Section 19.1 The Skin, Mucus Membranes, and Eyes
3) Which statement about skin is incorrect?
a) largest single organ of the body
b) dead epithelial cells function as a barrier for infections
c) normal microflora are very sensitive to the skin’s antimicrobial substance
d) consists of a thin epidermis and a thicker underlying dermis layer
Answer: c
Difficulty: Easy
Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses.
Section Reference 1: Section 19.1 The Skin, Mucus Membranes, and Eyes
4) Mucus membranes:
a) produce an oily secretion called sebum
b) contain keratin, a waterproofing protein
c) trap pathogens in a thick watery secretion of glycoproteins and electrolytes
d) are distributed with sweat glands that lower the pH of the membranes
Answer: c
Difficulty: Easy
Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses.
Section Reference 1: Section 19.1 The Skin, Mucus Membranes, and Eyes
5) All of the following are reasons why the eyes have no normal microflora except:
a) eyelids present a physical barrier to colonization
b) viruses are unable to penetrate the conjunctiva
c) lacrimal gland secretes fluid that
Question Type: Multiple Choice
1) The majority of organisms normal to the skin are:
a) Gram-negative
b) Gram-positive
c) fungi
d) viruses
Answer: b
Difficulty: Easy
Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses.
Section Reference 1: Section 19.1 The Skin, Mucus Membranes, and Eyes
2) Which of the following is not considered resident microflora of the skin?
a) Staphylococcus
b) Corynebacterium
c) E. coli
d) Streptococcus
Answer: c
Difficulty: Easy
Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses.
Section Reference 1: Section 19.1 The Skin, Mucus Membranes, and Eyes
3) Which statement about skin is incorrect?
a) largest single organ of the body
b) dead epithelial cells function as a barrier for infections
c) normal microflora are very sensitive to the skin’s antimicrobial substance
d) consists of a thin epidermis and a thicker underlying dermis layer
Answer: c
Difficulty: Easy
Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses.
Section Reference 1: Section 19.1 The Skin, Mucus Membranes, and Eyes
4) Mucus membranes:
a) produce an oily secretion called sebum
b) contain keratin, a waterproofing protein
c) trap pathogens in a thick watery secretion of glycoproteins and electrolytes
d) are distributed with sweat glands that lower the pH of the membranes
Answer: c
Difficulty: Easy
Learning Objective 1: LO 19.1 Review the anatomy of the skin and mucus membranes with regards to microbial defenses.
Section Reference 1: Section 19.1 The Skin, Mucus Membranes, and Eyes
5) All of the following are reasons why the eyes have no normal microflora except:
a) eyelids present a physical barrier to colonization
b) viruses are unable to penetrate the conjunctiva
c) lacrimal gland secretes fluid that