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TLS Online TPP Program

#Question id: 1035

A new drug is developed that inhibits formation of the flagellar filament by impairing production of the protein flagellin. Is this going to be a good drug?

#Unit 4. Cell Communication and Cell Signaling

  1. Potentially-it would definitely only impair bacteria, but wouldn't matter for the ones that don't use a flagellum to move around.

  2. Potentially-if it could be shown that it also didn't impair the production of the eukaryotic flagellum.

  3. No-our eukaryotic cells depend on flagella to move around in our body, and this would impair that function.

  4. No-bacterial flagella are produced using microtubules, not the protein flagellin. This drug would be useless in eliminating bacteria.

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TLS Online TPP Program

#Question id: 12303

#Unit 7. System Physiology – Animal

Which of the following changes would you expect to find in a dehydrated person deprived of water for 24 hours?
TLS Online TPP Program

#Question id: 12304

#Unit 7. System Physiology – Animal

Which of the following changes would you expect to find after acute administration of a vasodilator drug that caused a 50% decrease in renal efferent arteriolar resistance and no change in afferent arteriolar resistance or arterial pressure? 
TLS Online TPP Program

#Question id: 12305

#Unit 7. System Physiology – Animal

Which of the following would be expected to cause a decrease in extracellular fluid potassium concentration (hypokalemia) at least in part by stimulating potassium uptake into the cells?
TLS Online TPP Program

#Question id: 12306

#Unit 7. System Physiology – Animal

 Which of the following is true of the tubular fluid that passes through the lumen of the early distal tubule in the region of the macula densa?
TLS Online TPP Program

#Question id: 12307

#Unit 7. System Physiology – Animal

If a person has a kidney transport maximum for glucose of 350 mg/min, a GFR of 100 ml/min, a plasma glucose of 150 mg/dL, a urine flow rate of 2 ml/min, and no detectable glucose in the urine, what would be the approximate rate of glucose reabsorption, assuming normal kidneys?
TLS Online TPP Program

#Question id: 12308

#Unit 7. System Physiology – Animal

 Which of the following statements is correct?