47. Penicillin is most effective against infections caused by: a) Gram positive

Question

47. Penicillin is most effective against infections caused by: a) Gram positive bacteria b) c) Fungi d) Protozoans e) Gram negative bacteria Viruses The reason that one continues to get the common cold is that a) b) c) d) e) 48. The causative agent does not stimulate the immune system The causative agent hides inside of cells There are many different viruses that cause this disease Antibodies are not made against the virus None of the above Which disease is transmitted through the bit of a mosquito? a) Yellow fever b) Mumps c) Hepatitis type A d) Viral pneumonia e) Walking pneumonia 49. What was one of the first and most useful microscopic tests for classification bacteria that is still important today? a) Gram stain b) Flagella stains c) Simple stain d) Negative stain for capsule e) Acid fast stain 50.

Explanation / Answer

47.Penicillin antibiotics are most effective against gram-positive bacteria

48.there are many different viruses that cause this disease.

49.Yellow fever is caused by the Aedes aegypti mosquito

50.gram stain

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