Morbidity is Most often expressed as a rate of illness in a given population at
ID: 174185 • Letter: M
Question
Morbidity is Most often expressed as a rate of illness in a given population at risk Most often expressed as a rate of death in a given population at risk A Phenomenon that occurs when a critical concentration of immune hosts prevents the spread of an infectious agent Calculated as the number of causes of illness in a given period of time divided by the population at risk The attack rate is The number of new cases of a disease in a population at risk during a specified time period. The number of cases developing in a population exposed to the infectious agent The first identified case of a disease in an outbreak or epidemic NONE of the above Diseases that can be transmitted from one host to another are known as Contagious diseases Communicable diseases non-communicable diseases A and B All the following pathogens have an environmental reservoir except Clostridium botulinum Clostridium tetani Legionella pneumophila Campylobacter jejuni The target (s) of sulfonamide is/are Folic Add Synthesis Cytoplasmic membrane proteins RNA polymerase Gyrase All the following interfere with the function of ribosome, except tetracyclines Chloramphenicol aminoglycosides Fluoroquinolones Penicillin.... Is most effective against Mycoplasma Is most effective against Gram-negative bacteria most effective against Gram-positive bacteria Functions in cytoplasm of cell Which of the following is not a mechanism of antimicrobial drug resistance? drug enters cell and efflux pumps injects it in the cytoplasm drug enters the cell but efflux pumps ejects it Porin proteins prevent entry to the cell Drug cannot bind targetsExplanation / Answer
21. Answer option A.
Morbidity is the state of being ill or diseased. It is the rate of illness of a given population.
Mortality is the death rate of a given population.
22. Answer option B.
An attack rate is the define as the number of persons who have become ill after a specified exposure. It is used to calculate the number of victims to expect during an epidemic.
23. Answer is option B.
When a disease is transmitted from one person to another or when one contracts a disease from an animal, it is called a communicable disease. The disease can be spread by agents such as bacteria and virus. There is not physical contact needed with an infected person to acquire the diseases.
In contagious disease, the infection is spread through physical contact with the patient or through contact with the secretions of the patient (e.g. by touching a piece of clothing).
24. Answer is option D.
The key here is to remember the words “environmental reservoir”.
While the other three have environmental reservoirs in soil and water, C. jejuni can exist only in the wild birds. It has no other environmental reservoir.
25. answer option a.
Sulfonamides interfere with folic acid synthesis.
26. d.
Fluoroquinolones act by attacking DNA gyrase .
27. c
Penicillin inactivates enzymes responsible for cell wall synthesis in gram positive bacteria.
28. a.
When a drug enters the cell, it effectively enters the cytoplasm. Efflux pumps transport materials across the cell membrane to outside the cell.
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