Which of the Following Statements Is FALSE

question 9

Multiple Choice

Which of the following statements is FALSE?

• A)Typhoid fever is caused by Salmonella typhi.
• B)Salmonella can remain in the gall bladder or liver after the patient has recovered.
• C)All patients who have typhoid become chronic carriers.
• D)A vaccine is available for typhoid.
• E)Typhoid fever is transmitted by the faecal-oral route.

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Definitions:

Urea

A nitrogenous waste product formed in the liver, the final product of protein metabolism, and excreted in the urine.

Countercurrent Multiplier

A system, particularly in the kidney, that enables the production of a concentrated urine by exploiting the flow of fluids in opposite directions.

Medullary Interstitial Fluid

The fluid found in the interstitial spaces of the medulla in the kidneys, crucial for the concentration of urine.

Parallel Tubes

Structures resembling cylinders or tubes, aligned side by side, often found in biological and mechanical systems.