Diseases CPA #2

Question 1

Scientific Name: calcivirus & norovirus (calcivirus most studied)

Pathogen Type: +ssRNA virus

Key s/s: vomiting, bloody stool, clammy skin

Transmitted/ Contracted: fecal-oral via food/water; prevent via adequate sewage treatment, purification of water, hand washing, good hygiene

Key s/s: more common in winter d/t close living conditions

Answer 1

Viral Gastroenteritis

Question 2

Alternate Name: trench mouth

Scientific Name: Streptococcus mutant

Pathogen type: gram+ bacteria

Key s/s:inflammation of the gums; breath that has a foul odor; crater-like ulcers between the teeth; bleeding gums; grayish biofilm.

Answer 2

ANUG

Question 3

Alternate Name: cestode

Scientific Name: Taenia Saginata (beef) & Taenia Solium (pork)

Pathogen Type: helminth

key s/s: passing portions of worm; large worms can block bowels

contracted/transmitted: ingesting eggs or larvae that inhabits undercooked beef or pork

Answer 3

tapeworms

Question 4

alternate names: The more serious forms are called amebic dysentery and invasive extraintestinal amebiasis (fewer than 10% of cases, but can be fatal)

scientific name: entomoeba histolytic

pathogen type: protozoan

key s/s: severe diarrhea, colitis, appendicitis, ulceration of the intestinal mucosa, bloody mucus-containing stools, and pain. In the most serious cases, potentially fatal lesions of dead and dying intestinal cells form in the liver, lungs, spleen, kidneys, or brain.

contracted/transmitted: Infection can happen following the consumption of contaminated water or food, ingestion from contaminated hands, or during oral-anal intercourse.

Key points: No animal reservoirs exist, but human carriers are numerous which ensures continued disease transmission. Carriers are predominate in less developed countries where human feces is used to fertilize food crops and where water purification is inadequate.

Answer 4

Amebiasis

Question 5

alternate name: gastric _____ or duodenal ____

scientific name: Heliobactor pylori

type of pathogen: bacteria

key s/s: Black tarry/seedy stool, and vomit that contained a coffee ground texture that could be black or red due to blood.

contracted/ transmitted: via a fecal oral route, mostly via not washing hands and then touching the mouth.

Answer 5

Peptic Ulcer Disease