Micro: Entry, Exit, Transmission
20 Questions
| Total Attempts: 51
Questions and Answers
- 1.Which is not a protective barrier of the skin?
- A.
PH 5.5
- B.
Langerahans cells
- C.
Normal flora
- D.
Hair
- 2.What is an infection of a hair follicle called?
- A.
Ingrown hair
- B.
Stye
- C.
Tinea
- D.
Folliculitis
- 3.Which is NOT an area of entry of microrganisms into the host?
- A.
Respiratory tract
- B.
GI tract
- C.
Blood vessels
- D.
GU tract
- 4.Which layer of the skin do dermatophytes infect the non-living keratinous structures?
- A.
Stratum basale
- B.
Stratum spinosum
- C.
Stratum lucidium
- D.
Stratum corneum
- 5.Infection is established if the rate of growth in the keratin layer is greater than th reate of shedding in the keratinous product.
- A.
True
- B.
False
- 6.Which is NOT a burrowing microbe?
- A.
Schistosoma
- B.
Hepatitis B
- C.
Leptospira
- D.
Ancylostoma
- 7.Which bacteria has efficient attachment mechanisms to the conjunctiva?
- A.
Chlamydia
- B.
Leptospira
- C.
Pertussis
- D.
Schistosoma
- 8.The conjunctiva is a specialized area of the skin around the eye.
- A.
True
- B.
False
- 9.What to microbes that infect the respiratory system attach to or inhibit?
- A.
Alveoli
- B.
Lung epithelium
- C.
Microvilli
- D.
Bronchioles
- 10.What bacteria causes whooping cough?
- A.
M. pneumoniae
- B.
H. influenzae
- C.
B. pertussis
- D.
B. anthracis
- 11.What structure do both Shigella and Salmonella invade in the GI epithelium?
- A.
Microvilli
- B.
M cells
- C.
GALT
- D.
Lymphoid tissue
- 12.Both Shigella and Salmonella produce apoptosis in their host cells.
- A.
True
- B.
False
- 13.What is the disease as the result of Samolnella infection?
- A.
Typhoid fever
- B.
Diarrhea
- C.
Scarlet fever
- D.
Septicemia
- 14.What enzyme does H. pylori produce in effect to counteract ____ in the stomach?
- A.
Urease; mucous secretion
- B.
Mucinase; mucous secretion
- C.
Urease; pH
- D.
Mucinase; phagocytosis
- 15.The urinogenital tract in a _______, so microorganisms can spread easily from one part of another.
- 16.What microogranism is part of t the vagina normal flora and is responsible for lowering the pH?
- A.
Streptococci
- B.
Lactobacilli
- C.
Staphlococci
- D.
Candida
- 17.Bacterial infections are less common in uncircumcised than circumcised males.
- A.
True
- B.
False
- 18.Candida is a common invader of the urinary tract causing cystitis.
- A.
True
- B.
False
- 19.What is the antibody in mucous secretions that aid in host defense?
- A.
IgE
- B.
IgG
- C.
IgA
- D.
IgM
- 20.Which is NOT a common urogential tract transmission?
- A.
Urine
- B.
Semen
- C.
Blood
- D.
Vaginal secretions
Registered Communications Distribution Designer (RCDD)
Questions: 175 | Attempts: 20 | Last updated: Feb 13, 2013
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