OpenStax Microbiology Test Bank Chapter 21: Skin and Eye

OpenStax Microbiology Test Bank Chapter 21: Skin and Eye * = Correct answer Multiple Choice 1. The top part of the skin, which is exposed to the environment, is called: A. adipose tissue B. the dermis C. the epidermis* D. the hypodermis Difficulty: Easy ASM Standard: N/A 2. Which bacterial genus is commonly associated with acne? A. Candida B. Clostridium C. Propionibacterium* D. Salmonella Difficulty: Easy ASM Standard: 23 Page 2 of 17 3. Papillomas are also known as: A. comedones B. pustules C. urticaria D. warts* Difficulty: Easy ASM Standard: N/A 4. Tinea corporis is also known as: A. conjunctivitis B. ringworm* C. viral keratitis D. warts Difficulty: Easy ASM Standard: 23 5. The conjunctiva is the: A. boundary of the lens of the eye B. layer of mucus covering the eye C. layer of tissue surrounding the entire eye D. mucous membranes of the eye* Difficulty: Easy ASM Standard: N/A 6. A deep lesion that develops from multiple boils is called a: A. carbuncle* B. furuncle C. macule D. pustule Difficulty: Easy ASM Standard: 23 7. Systemic symptoms are most likely to develop with a: A. carbuncle* B. comedo C. cyst D. pustule Page 3 of 17 Difficulty: Easy ASM Standard: 23 8. Which of the following descrTibEesSiTmBpeAtiNgKo?SEL A. a highly contagious infection caused by Staphylococcus aureus and Streptococcus pyogenes that causes vesicles, pustules, and bullae* B. a mild and self-limiting viral infection that can be caused by a wide range of infectious agents C. a noncontagious rash (not caused by an infectious agent) that spreads rapidly across the skin D. a systemic fungal infection caused by Candida spp. and other species that is difficult to treat Difficulty: Easy ASM Standard: 23 9. Which of the following is true of the normal skin microbiota? A. It does not change over time. B. It is always identical in all parts of the body. C. It varies between moist and dry areas only, but is consistent in areas of similar moisture content. D. It varies depending on microenvironment and is an important part of the nonspecific immune system.* Difficulty: Moderate ASM Standard: 23, 24 Page 4 of 17 10. One reason that the skin is inhospitable to microbes is that: A. It is moist and hypersaline, which prevents growth by most species of microbes. B. It is relatively lacking in salt and is hypotonic to bacteria. C. It is relatively moist and this inhibits their growth. D. The normal microbiota outcompetes other microbes and inhibits their growth.* Difficulty: Moderate ASM Standard: 23, 24 11. An important difference between sebaceous glands and sweat glands is that: A. Sebaceous glands are not typically associated with hair follicles, whereas sweat glands typically are associated with hair follicles. B. Sebaceous glands are tubular and sweat glands are coiled. C. Sweat glands are found fully within the dermis, whereas sebaceous glands are found fully within the epidermis. D. Sweat glands produce a watery fluid, whereas sebaceous glands produce lipid-rich sebum.* Difficulty: Moderate ASM Standard: N/A 12. How