Quiz 5

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Lyme disease becomes chronic because: Borrelia can lie dormant in liver cells. Borrelia changes its surface antigens frequently. Borrelia is an intracellular parasite of erythrocytes the bacterium resists phagocytosis and "hides" erythrocytes. the bacterium resists phagocytosis

Borrelia changes it's surface antigens frequently

Chlamydia is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Chlamydia.

Chlamydia trachomatis Bacteria

Which of the following statements is TRUE regarding the common cold? The immune system cannot develop an effective response to cold viruses. The viruses can infect both the upper and lower respiratory tracts. Only coronaviruses cause the common cold. Cold viruses are frequently spread by contaminated fomites. Cold viruses reproduce most effectively at 37°C.

Cold viruses are frequently spread by contaminated fomites.

Diphtheria is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Diphtheria.

Corynebacterium diphtheriae Bacteria

Which of the following is zoonotic? Shigella both E. coli O157:H7 and Salmonella E. coli O157:H7, Shigella and Salmonella E. coli O157:H7 Salmonella

E. coli 057:H7 and salmonella

T/F: Human herpesvirus 4 is better known as cytomegalovirus.

False Causes Epstein-barr virus

T/F: Hantavirus pulmonary syndrome can be transmitted from person-to-person and from rodents to humans.

False not from person to person

Genital Herpes is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Genital Herpes.

Human herpesviruses Virus

How does Borrelia burgdorferi evade the body's defenses? It has manganese-containing enzymes. It has a polysaccharide capsule and antiphagocytic proteins. It has a polysaccharide capsule. It is capable of antigenic variation and has manganese-containing enzymes. It is capable of antigenic variation.

It is capable of antigenic variation and has manganese-containing enzymes.

Legionnaire's Disease is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Legionnaire's Disease.

Leigionella pneumonophila Bacteria

Why does taking antibacterial medications put women at risk for candidiasis?

Antibiotics deplete the normal microbiota, resulting in pH change

Anthrax is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Anthrax.

Bacillus anthracis Bacteria

The bacterium ________ adheres to and grows on teeth, contributing to dental plaque formation.

Streptococcus mutans

Which of the following statements is TRUE concerning diphtheria? The pseudomembrane is easily removed by surgery. A microscopic exam of bacterial samples is sufficient for conclusive diagnosis. No effective vaccine is available to prevent infection. The signs and symptoms of the disease are directly caused by a bacterial toxin A diffuse rash is the major sign of diphtheria.

The signs and symptoms of the disease are directly caused by a bacterial toxin

Syphilis is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Syphilis .

Treponema pailldum Bacteria

T/F: The seriousness of Coccidioides infections can be attributed to the cycle of formation and rupture of spherules.

True

T/F: The urethra is the only part of the urinary system in which one would expect to find normal microbiota.

True

Chagas' Disease is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Chagas' Disease.

Trypansoma cruzi Protozoa

Syphilis can be transmitted:

by sexual contact, by fomites, and from mother to fetus.

Trichomonas vaginalis is usually transmitted during sexual intercourse because it: participates with HIV in coinfections. penetrates cells lining the genitourinary tract. requires a growth factor found only in the vagina. produces cysts that germinate in the vagina. cannot live long outside the body

cannot live long outside the body

Gonorrhea is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Gonorrhea.

Neisseria gonorrhoeae Bacteria

Which of the following is an opportunistic infection? legionellosis whooping cough inhalation anthrax SARS primary tuberculosis

legionellosis

The causative agent of pinworm infections is an example of a __________.

nematode

The intermediate host for Schistosoma mansoni is a _____________.

snail

The release of bacterial toxins into the blood leads to ______________.

toxemia

____________ is a disease caused by normal microbiota that is more common in children than adults because of differences in the anatomy of the head.

Ottis media

Common cold is produced by what pathogen? What type of pathogen (ex: Bacteria, Virus, Fungi, Protozoa) produces Common cold.

Rhinoviruses Virus

Isolation of Gram-positive (pick one: bacilli/cocci/vibrios) from food suspected of being the source of an outbreak of diarrhea indicates the disease is the result of bacterial intoxication.

cocci


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