front 1 All of the following are normal microbiota of the skin EXCEPT -Streptococcus. -Staphylococcus. -Corynebacterium. -Micrococcus. -Propionibacterium. | back 1 streptococcus |
front 2 An eight-year-old girl has scabs and pus-filled vesicles on her face and throat. Three weeks earlier she had visited her grandmother who had shingles. What infection does the eight-year-old have? -fever blisters -chickenpox -measles -scabies -rubella | back 2 chicken pox |
front 3 Which of the following is NOT true of acne? -Mild cases are treated with topical agents. -Antibiotics may be prescribed for moderate cases. -Drugs that inhibit sebum formation are useful in treating inflammatory acne. -It is often due to the action of Propionibacterium. -It can be treated by eliminating fatty foods from the diet. | back 3 It can be treated by eliminating fatty foods from the diet |
front 4 Warts are caused by poxvirus. -parvovirus. -Staphylococcus aureus. -papillomavirus. -herpesvirus. | back 4 -papillomavirus. |
front 5 All of the following are characteristic of Pseudomonas aeruginosa EXCEPT -growth in moist environments. -production of pyocyanin. -gram-positive cell wall. -resistance to many types of disinfectants and antibiotics. -rod-shaped. | back 5 -gram-positive cell wall. |
front 6 Koplik spots are a diagnostic indicator of -fifth disease. rubella. -measles. -chickenpox. -smallpox. | back 6 measles. |
front 7 All of the following are transmitted via the respiratory route EXCEPT -tinea. -rubella. -measles. -chickenpox. - smallpox. | back 7 -tinea. |
front 8 All of the following are protective factors of the skin and its secretions EXCEPT -pyocyanin production . -salt. -lysozyme production. -keratin. -tightly packed cells. | back 8 -pyocyanin production |
front 9 Thrush and vaginitis are caused by herpesvirus. | back 9 Candida albicans. |
front 10 The greatest single cause of blindness in the world is neonatal gonorrheal ophthalmia. | back 10 trachoma. |
front 11 all of the following are characteristic of the Group A beta-hemolytic streptococci EXCEPT the ability to dissolve blood clots. | back 11 methicillin resistance. |
front 12 Which of the following cause(s) ringworm? Mycobacterium | back 12 Microsporum and Epidermophyton |
front 13 Newborns' eyes are treated with an antibiotic when the mother has genital herpes. | back 13 as a routine precaution. |
front 14 A possible complication of chickenpox is subacute sclerosing panencephalitis. | back 14 encephalitis. |
front 15 Which of the following is a subcutaneous mycosis? athlete's foot | back 15 sporotrichosis |
front 16 Which region of the skin supports the largest bacterial population? forearms | back 16 armpits |
front 17 Staphylococcus aureus is responsible for all of the following EXCEPT acne. | back 17 acne. |
front 18 Exfoliative toxin is responsible for scalded skin syndrome. | back 18 scalded skin syndrome. |
front 19 All of the following are causative agents of conjunctivitis EXCEPT Chlamydia trachomatis. | back 19 herpes simplex. |
front 20 In which of the following respects is measles similar to German measles (rubella)? They are caused by the same virus. | back 20 They can be controlled by vaccination. |
front 21 Why is vaccination for rubella recommended? It is no longer recommended; rubella has been eradicated. | back 21 There is a high incidence of congenital infections and birth defects. |
front 22 Which of the following statements about congenital rubella syndrome is FALSE? It does not occur with subclinical infections. | back 22 It does not occur with subclinical infections. |
front 23 Which of the following are incorrectly matched? parvovirus – fifth disease | back 23 poxvirus – fever blisters |
front 24 Which of the following is NOT caused by HSV-1? herpes whitlow | back 24 canker sores |
front 25 Which of the following statements about Reye syndrome is FALSE? It is a complication that may occur in chickenpox infection. | back 25 It mostly affects older adults. |
front 26 The eradication of smallpox was possible because it occurs only in the tropics. | back 26 there are no animal reservoirs of the virus. |
front 27 Which of the following is used to treat herpetic keratitis? trifluridine | back 27 trifluridine |
front 28 Which of the following is used to treat shingles? penicillin | back 28 acyclovir |
front 29 Which of the following is used to treat sporotrichosis? acyclovir | back 29 oral potassium iodide |
front 30 Which of the following is used to treat candidiasis of the skin or mucous membranes? acyclovir | back 30 miconazole |
front 31 Scabies is a skin disease caused by a prion. | back 31 mite. |
front 32 Scabies is transmitted by soil. | back 32 fomites. |
front 33 A patient has pus-filled vesicles and scabs on her face, throat, and lower back. She most likely has measles. | back 33 chickenpox. |
front 34 Furuncles, toxic shock syndrome, and scalded skin syndrome all are caused by Staphylococcus aureus. | back 34 Staphylococcus aureus. |
front 35 Buruli ulcer is caused by a fungus. | back 35 acid-fast bacteria. |
front 36 The patient has a papular rash. Microscopic examination of skin scrapings reveals small eight-legged animals. The etiology is Candida. | back 36 Sarcoptes. |
front 37 The patient has vesicles and scabs over her forehead. Microscopic examination of skin scrapings shows gram-positive cocci in clusters. The etiology is Candida. | back 37 Staphylococcus aureus. |
front 38 The patient has scaling skin on his fingers. Conidiospores are seen in microscopic examination of skin scrapings. The etiology is Candida. | back 38 Microsporum. |
front 39 A 45-year-old man has pus-filled vesicles distributed over his back in the upper right quadrant, over his right shoulder, and upper right quadrant of his chest. His symptoms are most likely due to Streptococcus pyogenes. | back 39 varicella-zoster virus. |
front 40 A 35-year-old woman has a red, raised rash on the inside of her thighs. Gram-stained skin scrapings show large budding cells with pseudohyphae. The infection is caused by Streptococcus pyogenes. | back 40 Candida albicans. |
front 41 Which of the following is incorrectly matched? Haemophilus influenzae – pinkeye | back 41 Pseudomonas – inclusion conjunctivitis |
front 42 Assume that your lab partner swabs the side of his face and uses the swab to inoculate a nutrient agar plate. The next day, he performs a Gram stain on the colonies. They are gram-positive cocci. You advise him that he should next look for conidiospores. | back 42 a coagulase reaction. |
front 43 Which of the following pairs is mismatched? conjunctivitis – Chlamydia trachomatis | back 43 chickenpox – poxvirus |
front 44 A 17-year-old boy has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This infection is caused by herpes simplex virus. | back 44 Propionibacterium acnes. |
front 45 Which of the following is likely to spread MRSA among athletes? physical contact | back 45 All of the answers are correct |
front 46 Inflammation of the thin clear membrane lining the eyelid and eye is properly termed trachoma. | back 46 conjunctivitis. |
front 47 You are examining a scraping of an infected cornea under the brightfield microscope and see eukaryotic cells. This is probably a case of Trichiasis. | back 47 Acanthomoeba keratitis. |
front 48 Which disease commonly leads to blindness in parts of the world but can be largely controlled through sanitary practices and health education? Herpetic keratitis | back 48 Trachoma |
front 49 Which infectious agent causes conjunctivitis and may be contracted from non-chlorinated swimming pools? Simplexvirus | back 49 Chlamydia trachomatis |
front 50 A newborn infant develops a whitish overgrowth on the tongue and inner lips. This newborn is suffering from an infection with Trichophyton. | back 50 Candida albicans |