The diarrheal disease that occurs in cholera is caused by destruction of the int
ID: 299979 • Letter: T
Question
The diarrheal disease that occurs in cholera is caused by destruction of the intestinal epithelium by the bacteria the action of the bacterial endotoxin on the intestinal epithelial cells the action of the on epithelial on intestinal epithelial cells an allergic reaction to the bacteria adhering to the intestinal epithelium True or False (true = A; false = B) campylobacter jejuni gastroenteritis is typically self-limiting leaves the patient immune to further infection Botulism is unlike other bacterial food harmful effects on the poisonings in that the immune system. the nervous system. the circulatory system. True or false (true A; false B) Brucellosis is usually acquired (via mucus membranes and injuries) from cattle or other domestic animals. Poliomyelitis is transmitted by the fecal-oral route. inhalation of airborne droplets sexual contact. contact with an open cut Which of the following types of hepatitis virus is transmitted by the alimentary route? hepatitis A virus hepatitis C virus hepatitis B virus none of the above The parasite responsible for primary amebic meningoencephalitis is Entamoeba histolytica. Naegleria. Giardia lamblia. Cyclospora True or false (true = A; false = B). Pseudomonas aeruginosa an opportunistic pathogen, is of healthcare associated infections. which of the following statements regarding tapeworms is false? they absorb nutrients from the through their body wall they complete their life cycles in a single host they can form cysts in the tissue of their host they cannot be transmitted from human to human Treponema pallidum is stained with for examination in dark field the Gram stain. the acid fast stain silver nitrate osmium Infants of infected mothers may contract gonococcal infections during development in the uterus. by transplacental transmission of the bacteria by contamination from the mothers hands shortly after birthExplanation / Answer
79. The diarheaal disease that occurs in cholera is caused by the action of enterotoxin on the intestinal epithelil cells. Cholera is caused by bacterium Vibro cholera. Once the bacteria infects the small intestine, it releases an enterotoxin that enter the epithelial cells and affects the receptor system of the cells. This results in the receptor channel being continuously active and large amount of fluid flows out of the cell causing excessive diarhea. Hence, the correct answer is option c.
80. FALSE. Campylobacter species produces toxins which blocks the mitosis of cells at G2 phase thereby inhibiting the cellular and humoral immunity and leaving the patient prone to infections.
81. Botulism is unlike other bacterial food poisonings in that the toxin exerts harmful effects on the nervous system. Botulism is caused by Clostridium Botulinum which spreads via food, wound or inhalation. It is rare but fatal. Bacteria releases toxins which blocks nerve functions which may lead to respiratory and muscular paralysis. Hence, the correct option is b.
82. FALSE. Brucellosis is a zoonotic infection which spread from animals to human only when the animal’s infected meat or their milk is ingested.
83. Poliomyelitis is transmitted by the fecal-oral route. It is caused by poliovirus and it effects the nervous system. Hence, the correct option is a.
84. Hepatitis A is transmitted by alimentary canal. Hepatitis A is mild to severe illness which affects liver. The patient recovers from hepatitis A easily and it almost rarely leads to death. Its not a chronic liver disease unlike hepatitis B or C.Hence, correct option is a.
85. Amoebic meningoencephalitis is caused by Naegleria Fowleri which is mostly found in warm fresh water bodies.this bacteria invades the central nervous system and lives inside the brain where it feeds on nerve cells. This disease almost always leads to death. Hence, the correct option is c.
86.TRUE. pseudomonas aeruginosa is an opportunistic pathogen. These infections are more prominent in ill or immune compromised individuals.
87. Tapeworm can be transmitted from human to human. Dwarf tape worm is one such tapeworm which not only completes its entire life cycle in one host but also can be transmitted from human to humans.Hence, the correct answer is d.
88. Treponema Pallidium is a gram negative bacteria but it is too thin to be clearly seen using gram’s stain therefore, silver nitrate stain is used to view it properly. Hence, option c is the correct option.
89.Gonococcal Infection is a sexually transmitted disease. It can spread from mother to baby only through vaginal contact during child birth. Therefor, it spreads by transplacental transmission of the babsies. Hence, option b is the correct option.