OpenStax Microbiology Test Bank
Chapter 17: Innate Nonspecific Host Defenses
Chapter 17: Innate Nonspecific Host Defenses
* = Correct answer
Multiple Choice
1. Which type of cells line the inner surface of blood vessels to prevent microbes from gaining
access to blood?
A. ciliated epithelial cells
B. endothelial cells*
C. keratinized squamous epithelial cells
D. squamous epithelial cells
Difficulty: Easy
ASM Standard: 14
2. Which of the following is not a type of cell junction?
A. centromere*
B. desmosome
C. gap
D. tight
Difficulty: Easy
ASM Standard: N/A
3. Which layer of the skin contains blood and lymph vessels?
A. dermis
B. epidermis
C. follicles
D. hypodermis*
Difficulty: Easy
ASM Standard: N/A
4. Which cells produce and secrete mucus?
A. ciliated epithelial cells
B. goblet cells*
C. keratinized squamous epithelial cells
D. Peyer’s patches
Difficulty: Easy
ASM Standard: 14
5. Which fungus causes rose gardener’s disease?
A. Candida albicans
B. Cryptococcus neoformans
Page 1 of 17
,OpenStax Microbiology Test Bank
Chapter 17: Innate Nonspecific Host Defenses
C. Histoplasma capsulatum
D. Sporothrix schenckii*
Difficulty: Moderate
ASM Standard: 23
6. Which type of cells line the respiratory tract?
A. ciliated epithelial cells*
B. endothelial cells
C. keratinized squamous epithelial cells
D. squamous epithelial cells
Difficulty: Easy
ASM Standard: 14
7. What is sebum?
A. a watery, salty liquid that inhibits bacterial growth
B. an oily substance released from sebaceous glands that contributes to defense*
C. proteins that are involved in bacterial cell division
D. visible accumulation of leukocytes, cell debris, and bacteria at the site of infection
Difficulty: Moderate
ASM Standard: 14
8. What is pus?
A. a watery, salty liquid that inhibits bacterial growth
B. an oily substance released from sebaceous glands that contributes to defense
C. proteins that are involved in bacterial cell division
D. visible accumulation of leukocytes, cell debris, and bacteria at the site of infection*
Difficulty: Easy
ASM Standard: 14, 23
9. Which antimicrobial enzyme is found in saliva?
A. amylase
B. haptocorrin
C. lactoperoxidase*
D. opiorphin
Difficulty: Easy
ASM Standard: 14
10. Examine the diagram of peptidoglycan. Which bond (A–D) is targeted by lysozyme?
Page 2 of 17
, OpenStax Microbiology Test Bank
Chapter 17: Innate Nonspecific Host Defenses
A. A*
B. B
C. C
D. D
Difficulty: Hard
ASM Standard: N/A
11. Which chemical mediator is produced by lactobacilli in the female reproductive system and
limits the growth of Candida?
A. glucagon
B. glycogen
C. lactate*
D. lactoferrin
Difficulty: Moderate
ASM Standard: 14
12. Which bacterium is able to invade sweat glands of the skin and can use lipase to degrade
sebum?
A. Bacteroides
B. Propionibacterium*
C. Staphylococcus
D. Streptococcus
Difficulty: Easy
ASM Standard: 14, 23
13. Defensins target which process or structure of a microbial cell?
A. cell membrane*
B. cell wall
C. DNA synthesis
D. protein synthesis
Page 3 of 17
Chapter 17: Innate Nonspecific Host Defenses
Chapter 17: Innate Nonspecific Host Defenses
* = Correct answer
Multiple Choice
1. Which type of cells line the inner surface of blood vessels to prevent microbes from gaining
access to blood?
A. ciliated epithelial cells
B. endothelial cells*
C. keratinized squamous epithelial cells
D. squamous epithelial cells
Difficulty: Easy
ASM Standard: 14
2. Which of the following is not a type of cell junction?
A. centromere*
B. desmosome
C. gap
D. tight
Difficulty: Easy
ASM Standard: N/A
3. Which layer of the skin contains blood and lymph vessels?
A. dermis
B. epidermis
C. follicles
D. hypodermis*
Difficulty: Easy
ASM Standard: N/A
4. Which cells produce and secrete mucus?
A. ciliated epithelial cells
B. goblet cells*
C. keratinized squamous epithelial cells
D. Peyer’s patches
Difficulty: Easy
ASM Standard: 14
5. Which fungus causes rose gardener’s disease?
A. Candida albicans
B. Cryptococcus neoformans
Page 1 of 17
,OpenStax Microbiology Test Bank
Chapter 17: Innate Nonspecific Host Defenses
C. Histoplasma capsulatum
D. Sporothrix schenckii*
Difficulty: Moderate
ASM Standard: 23
6. Which type of cells line the respiratory tract?
A. ciliated epithelial cells*
B. endothelial cells
C. keratinized squamous epithelial cells
D. squamous epithelial cells
Difficulty: Easy
ASM Standard: 14
7. What is sebum?
A. a watery, salty liquid that inhibits bacterial growth
B. an oily substance released from sebaceous glands that contributes to defense*
C. proteins that are involved in bacterial cell division
D. visible accumulation of leukocytes, cell debris, and bacteria at the site of infection
Difficulty: Moderate
ASM Standard: 14
8. What is pus?
A. a watery, salty liquid that inhibits bacterial growth
B. an oily substance released from sebaceous glands that contributes to defense
C. proteins that are involved in bacterial cell division
D. visible accumulation of leukocytes, cell debris, and bacteria at the site of infection*
Difficulty: Easy
ASM Standard: 14, 23
9. Which antimicrobial enzyme is found in saliva?
A. amylase
B. haptocorrin
C. lactoperoxidase*
D. opiorphin
Difficulty: Easy
ASM Standard: 14
10. Examine the diagram of peptidoglycan. Which bond (A–D) is targeted by lysozyme?
Page 2 of 17
, OpenStax Microbiology Test Bank
Chapter 17: Innate Nonspecific Host Defenses
A. A*
B. B
C. C
D. D
Difficulty: Hard
ASM Standard: N/A
11. Which chemical mediator is produced by lactobacilli in the female reproductive system and
limits the growth of Candida?
A. glucagon
B. glycogen
C. lactate*
D. lactoferrin
Difficulty: Moderate
ASM Standard: 14
12. Which bacterium is able to invade sweat glands of the skin and can use lipase to degrade
sebum?
A. Bacteroides
B. Propionibacterium*
C. Staphylococcus
D. Streptococcus
Difficulty: Easy
ASM Standard: 14, 23
13. Defensins target which process or structure of a microbial cell?
A. cell membrane*
B. cell wall
C. DNA synthesis
D. protein synthesis
Page 3 of 17
