SCI250 Week 5 Chapter 19 Integumentary System Quiz

SCI250 Week 5 Chapter 19 Integumentary System Quiz

Section: Multiple Choice

1. The majority of the microorganisms on the surface of the human skin are ________

· Gram-positive bacteria.

· Gram-negative bacteria.

· approximately equal numbers of Gram-positive and Gram-negative bacteria.

· Spore-forming bacteria.

· Enteric.

2. The outer layer of the skin is the _________ while the deeper layer is the _________

· cutaneous, keratin.

· dermis, sebum.

· mucous, epidermis.

· epidermis, dermis.

· sebum, keratin.

3. A massive lesion caused by the spread of Staphylococcus aureus infection (often on the neck and upper

back) is called a ________

· boil.

· furuncle.

· Carbuncle.

· abscess.

· pustule.

4. Scalded skin syndrome is caused by exotoxins (exfoliatins) produced by ________

· Streptococcus pyogenes.

· Staphylococcus aureus.

· Propionibacterium acnes.

· Pseudomonas aeruginosa.

· Demodex folliculorum.

5. Which of the following microorganisms causes scarlet fever?

· Staphylococcus aureus

· Propionibacterium acnes

· Pseudomonas aeruginosa

· Demodex folliculorum

· Streptococcus pyogenes

6. The pus-producing skin infection (pyoderma) can be caused by ________

· staphylococci.

· streptococci.

· corynebacteria.

· All of the above

7. Which of the following is NOT a characteristic of impetigo?

· It is common in children.

· It can be caused by Staphylococcus aureus.

· It can be caused by Streptococcus pyogenes.

· It is highly contagious.

· It can be caused by pseudomonads.

8. What bacteria can multiply in blocked skin pores, metabolize sebum, and lead to the development of

acne?

· Pseudomonas aeruginosa

· Propionibacterium

· Serratia marcescens

· Streptococcus pyogenes

· Acne is not caused by a bacterial infection.

9. Burn patients often develop a nosocomial infection caused by ________

· Streptococcus epidermis

· Staphylococcus aureus

· Pseudomonas aeruginosa

· Corynebacterium

· Candida albicans

10. Koplik's spots develop during infection with ________

· rubella virus.

· Staphylococcus aureus.

· Streptococcus pyogenes.

· Varicella-zoster virus.

· measles virus.

11. Inflammation of the eye conjunctiva (bacterial conjunctivitis) can be caused by _______

· Staphylococcus aureus

· Streptococcus pneumoniae

· Neisseria gonorrhoeae

· Pseudomonas aeruginosa

· All of the above

12. Gas gangrene is most likely associated with infection with _______

· Staphylococcus aureus.

· Clostridium perfringenes.

· Streptococcus pneumoniae.

· Neisseria gonorrhoeae.

· Pseudomonas aeruginosa.

13. Hyperbaric oxygen may be useful in treating infections caused by _______

· Gram-positive bacteria.

· Gram-negative bacteria.

· anaerobic bacteria.

· yeast.

· viruses.

14. What is the leading cause of preventable blindness in the world?

· Chlamydia trachomatis

· Haemophilus influenzae

· Neisseria gonorrhoeae

· Staphylococcus aureus

· Streptococcus pneumoniae

15. The disease shingles is caused by the same virus that causes ________

· measles.

· smallpox.

· German measles.

· chickenpox.

· hepatitis.

16. When is antibiotic used to treat the eyes of newborn infants?

· The mother has gonorrhea.

· The mother has genital herpes.

· Neisseria gonorrhoeae is isolated from the newborn's eyes.

· Antibiotic is always used.

· The mother has a history of multiple sex partners.

17. The virus used to immunize individuals against smallpox causes ________

· chickenpox.

· measles.

· cowpox.

· molluscum contagiosum.

· warts.

18. Human papillomavirus causes ________

· chickenpox.

· measles.

· molluscum contagiosum.

· warts.

· cowpox.

19. Tumorlike, light pink painless growths on the skin are probably the result of infection with ________

· cowpox.

· molluscum contagiosum virus.

· measles virus.

· Human papillomavirus.

· Epidermophyton floccosum.

20. Ringworm infection caused by Tinea can cause infections of the ________

· groin.

· nails.

· scalp.

· beard area.

· All of the above

21. A superficial infection (thrush) can be caused by Candida albicans. This organism is a type of ________

· Filamentous fungi.

· yeast.

· Gram-positive bacteria.

· Gram-negative bacteria.

· virus.

Section: Matching

22. Acanthamoeba

· vaginal yeast infection

· skin and genital warts

· protozoan keratitis (corneal ulcers)

· scabies

· ophthalmia neonatorum

· trachoma

23. Sarcoptes scabiei

· vaginal yeast infection

· skin and genital warts

· protozoan keratitis (corneal ulcers)

· scabies

· ophthalmia neonatorum

· trachoma

24. Papillomaviruses

· vaginal yeast infection

· skin and genital warts

· protozoan keratitis (corneal ulcers)

· scabies

· ophthalmia neonatorum

· trachoma

25. Chlamydia trachomatis

· vaginal yeast infection

· skin and genital warts

· protozoan keratitis (corneal ulcers)

· scabies

· trachoma

26. Neisseria gonorrhoeae

· vaginal yeast infection

· skin and genital warts

· protozoan keratitis (corneal ulcers)

· scabies

· ophthalmia neonatorum

· trachoma

27. Candida albicans

· vaginal yeast infection

· skin and genital warts

· protozoan keratitis (corneal ulcers)

· scabies

· ophthalmia neonatorum

· trachoma

Section: Matching

28. Swimmer's Itch

· Afipia and Bartonella

· Nematode larvae from blackfly bites

· Filarial worm

· Schistosome larvae

· Screwworm fly larvae

29. Cat scratch fever

· Afipia and Bartonella

· Nematode larvae from blackfly bites

· Filarial worm

· Schistosome larvae

· Screwworm fly larvae

30. Loaiasis

· Afipia and Bartonella

· Nematode larvae from blackfly bites

· Filarial worm

· Schistosome larvae

· Screwworm fly larvae

31. River blindness

· Afipia and Bartonella

· Nematode larvae from blackfly bites

· Filarial worm

· Schistosome larvae

· Screwworm fly larvae

Section: Matching

32. Inflammation at bite site, dissemination of lesions, intermittent fever

· Rat bite fever

· Pasteurella multocida infection

· Tick paralysis

· Scabies

· Pediculosis

· Myiasis

33. Toxins introduced with tick bite cause fever and ascending motor paralysis

· Rat bite fever

· Pasteurella multocida infection

· Tick paralysis

· Scabies

· Pediculosis

· Myiasis

34. Inflammation at louse bite sites and itching. Phthirus pubis (pubic louse) found in pubic areas

· Rat bite fever

· Pasteurella multocida infection

· Tick paralysis

· Scabies

· Pediculosis

· Myiasis

35. Maggots infect wounds in animals; Congo floor maggot sucks human blood; screwworms injure cattle

· Rat bite fever

· Pasteurella multocida infection

· Tick paralysis

· Scabies

· Pediculosis

· Myiasis

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