An example of a a. Down syndrome 2. Which of the following is an a. Trichinellos

Question

An example of a a. Down syndrome 2. Which of the following is an a. Trichinellosis c. Q-fever example of a 3. In the western United States, the natural reservoir for a. House cats c. Wild Rodents b. Feral Dos d. Migratory birds The vector for the hantavirus pulmonary syndrome in the soutestern United Sates a. wild birds c. Snakes b. Rodents d. Coyotes 5. In what sense is influenza a zoonotic disease? Has animal reservoirs, especially birds & swine Transmitted by "stealth" arthropods. d. The main reservoir is wild carnivores a. b. Transmitted frequentiy by contact with wool. 6. Minimata disease was associated with ingestion of seafoods tainted with a. Lead b. Cadmium d. Arsenic c. Mercury 7. Which of the following statements about heavy metals is true? a. Their specific gravity exceeds that of b. None of them is necessary to sustain water by five or more times All of them are toxic even at trace levels. d. They weight too much. C. 8. Bioaccumulation of heavy metals is a particular hazard associated with. b. Mercury d. Manganese a. Iron c. Copper Excessively low intake of copper may be associated with: b. Normal health d. Lethality 9. a. Dietary deficiency c. Toxicity b. Maganese d. Mercur Methylation is a process that involves which of the following metals? a. Iron c. Copper b.Chemically unstable d. Expensive to manufact 11. Polychlorinated biphenyls (PCBs) are: a. Highly flammable c. Persistent in the environment

Explanation / Answer

1.) (d)

Rabies is a zoonotic disease.

2.) (b)

Leishmaniasis is a vector-borne disease mostly spread in Europe.

3.) (c)

Wild rodents is the natural reservoir for plague.

4). (b)

The vector for the hantavirus pulmonary syndrome in the southwestern United States is rodents.

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