CH 19 - Resp system diseases

Which of the following is not part of the upper respiratory tract

• mouth

• nasal cavity

• trachea

• pharynx

Infections travels to the middle ear by way of the

• nasal cavity

• sinuses

• auditory canal

• eustachian (auditory) tubes

Which of the following is not a virulence factor of Bordetella pertussis

• endotoxin

• tracheal cytotoxin

• M protein

• pertussis toxin

Influenza vaccines include all of the following except

• an attentuated nasal drops vaccine

• the ability to provide lifelong immunity

• an overall effectiveness of 70-90%

• the incorporation of usually three different strains

Which disease involves transmission by aerosolized water from whirlpool spas, air conditioners, cooling towers, and supermarket vegetable misters

• Traveler's diarrhea

• Legionellosis

• Pertussis

• Brucellosis

A diagnosis of tuberculosis involves a/an

• chest x-ray

• acid-fast stain of sputum

• sputum culture

• tuberculin skin test

• all are correct

Which is not correct about Mycobacterium species

• Cell walls have waxy lipids

• they are long, slender rods

• all species are human pathogens

• they are acid fast

Tuberculin skin testing

• injected PPD intradermally

• uses a purified protein filtrate of Mycobacterium tuberculosis

• will be positive if the person has had previous exposure to TB

• will be positive if the person has active TB

• all are correct

The primary transmission route for acquiring agents of the common cold is by contact with hands and fomites contaminated with the nasal discharges of an infected person

• true

• false

The enzyme associated with the influenza virus that hydrolyzes the protective mucous coating of the respiratory tract is

• kinase

• reverse transcriptase

• catalase

• neuraminidase