A)vitamins
B)minerals
C)carbohydrates
D)all of the above

A)When the number of cases of a disease rises sharply, the disease is called endemic.
B)Subclinical is a synonym for asymptomatic or inapparent.
C)An acute infection is always localized, and a chronic infection is always widespread.
D)A communicable disease is not always contagious, and a contagious disease is not always communicable.
E)A post-op infection of abdominal skin sutures is an example of a nosocomial infection.
F)A person who has recovered from a disease but remains a source of the pathogen is considered a carrier.
G)When influenza is followed by bacterial pneumonia, the pneumonia is considered a secondary infection.
H)A zoonosis is a disease that affects only wild animals.

A)The bacteria in the vagina create an alkaline pH that inhibits the growth of pathogens.
B)The colon has bacteria that produce vitamins, especially vitamin K.
C)The cilia of the nasal cavities sweep inhaled microorganisms to the pharynx.
D)The part of the small intestine with the smallest bacterial population is the duodenum.