Ch.11-12

Question 1

What is the #1 infectious bacterium in the world?

Answer 1

Chlamydia

Question 2

What bacterium causes gonorrhea?

How many hosts does this bacteria grow in?

Answer 2

Neisseria gonorrhoeae

Only grows in humans

Question 3

Is Neisseria gonorrhoeae gram negative or positive?

What is its morphology?

Answer 3

Gram negative

Bean shaped pairs of cocci

Question 4

How is gonorrhea treated?

Answer 4

Penicillin or ceftriaxone

Question 5

Describe the 3 stages of syphilis:
Primary
Secondary
Tertiary

Answer 5

Primary: chancre full of organisms
Secondary: rash on palms and feet, with fluid full of organisms
Tertiary: “gumma” - auto immune response that causes destruction of soft tissue of bone, heart, brain, and internal viscera.

Question 6

How is syphilis treated?

Answer 6

Penicillin for the primary and secondary phases.

Question 7

About 20 years after a syphilis infection, a group of mental illnesses can develop. What is this called?

Answer 7

general paresis

Question 8

What percentage of syphilis infections are asymptomatic?
Males:
Females:

Answer 8

Males: 30%
Females: 70%

Question 9

What are the 2 primary sexually transmitted viruses that affect the urogenital tract?

Answer 9

herpes simplex virus 2 - HSV-2

human papilloma virus - HPV

Question 10

What is acyclovir used to treat?

Answer 10

Herpes

Question 11

What disease does Treponema pallidum cause?

What is its morphology?

Answer 11

Syphilis

Spiral-shaped

Question 12

What virus causes genital warts?

Answer 12

HPV (human papilloma virus)

Question 13

Amphotericin B, ketoconazole, and fluconazole may all be used to treat what condition?

Answer 13

Candidiasis (yeast infection)

Question 14

What is trichomoniasis?

Answer 14

A urogenital disease affecting both men and women, caused by the protozoan “Trichomonas vaginalis”

Question 15

What is a common name for vulvovaginitis?

Answer 15

Yeast infection or candidiasis

Question 16

Staph. aureus has a surface protien which accepts one end of human antibodies, essentially disguising it from the human immune system. What is this protein called?

Answer 16

Protein A

Question 17

What is the common name for Hansen’s disease?

Answer 17

Leprosy

Question 18

What is the primary antibiotic used to treat leprosy?

Answer 18

dapsone

Question 19

What animal is a source of anthrax seen in the United States?

Answer 19

Cattle

Question 20

How fast does M. leprae grow?

Answer 20

Very slowly, with a possible incubation time of 2-10 years before symptoms appear.

Question 21

Besides humans, what is the only other mammal known to get leprosy?

Answer 21

9-banded armadillo (Texas)

Question 22

What does the organism C. perfringens cause?

Answer 22

Gas Gangrene

Question 23

What species of Staphylococcus is coagulase positive?

Answer 23

S. aureus

Question 24

What % of people in the hospital are carriers of staphylococci?

Answer 24

30-50%

Question 25

How temperature stable is S. aureus?

Answer 25

It is not killed by either freezing or food-warming temps.

Question 26

What year was smallpox eradicated?

Answer 26

1977

Question 27

What is the term used to describe an animal with with rabies that has pain when swallowing and will therefore refuse to even look at water and will drool?

Answer 27

Hydrophobia

Question 28

Is a post exposure rabies vaccination effective?

Answer 28

Yes, due to the very slow travel rate of the virus.

Question 29

Brain tissue of an animal infected with rabies will show black inclusions called .....

Answer 29

Negri Bodies

Question 30

What causes warts?

Answer 30

papilloma viruses

Question 31

Approx. what % of people are infected with HSV-1?

Answer 31

95%

Question 32

What virus is strongly associated with Kaposi's Sarcoma?

Answer 32

HHV-8 | Human Herpes Virus 8

Question 33

__________ ___________ is a latent infection of the eye, causing sharp pain, sensitivity to light, and vision loss. May require cornea replacement.

Answer 33

Herpes keratitis

Question 34

Where do herpes viruses replicate?

Answer 34

In a cells nucleus.

Question 35

What are the primary and recurrent diseases of HSV-1?

Answer 35

Primary: gingivostomatitis Recurrent: herpes labialis

Question 36

Skin diseases caused by fungus are called: | The fungi that cause the diseases are called:

Answer 36

mycoses | dermatophytes

Question 37

What is candidiasis referred to when it occurs in the mouth?

Answer 37

Thrush or "oral thrush"

Question 38

Rose thorn disease is a common name for which infection?

Answer 38

Sporotrichosis