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TLS Online TPP Program

#Question id: 1907

Which of the following statements is TRUE of HLA-G?

#Unit 4. Cell Communication and Cell Signaling

  1. HLA-G is an MHC class II molecule

  2. HLA-G is present on extravillous cytotrophoblast

  3. HLA-G stimulates NK cell-mediated lysis

  4. HLA-G activates DAF

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TLS Online TPP Program

#Question id: 11942

#Unit 7. System Physiology – Animal

A patient’s urine is collected for 2 hr, and the total volume is 600 ml during this time. Her urine osmolarity is 150 mOsm/L, and her plasma osmolarity is 300 mOsm/L. What is her “free water clearance”?
TLS Online TPP Program

#Question id: 11943

#Unit 7. System Physiology – Animal

Which of the following changes tends to increase GFR?
TLS Online TPP Program

#Question id: 11944

#Unit 7. System Physiology – Animal

The maximum clearance rate possible for a substance that is totally cleared from the plasma is equal to which of the following?
TLS Online TPP Program

#Question id: 11945

#Unit 7. System Physiology – Animal

A patient has the following laboratory values: arterial pH = 7.13, plasma HCO3− = 15 mEq/L, plasma chloride concentration = 118 mEq/L, arterial Pco2 = 28 mm Hg, and plasma Na+ concentration = 141 mEq/L. What is the most likely cause of his acidosis?
TLS Online TPP Program

#Question id: 12070

#Unit 7. System Physiology – Animal

A 26-year-old man develops glomerulonephritis, and his GFR decreases by 50% and remains at that level. For which of the following substances would you expect to find the greatest increase in plasma concentration?
TLS Online TPP Program

#Question id: 12071

#Unit 7. System Physiology – Animal

The most serious hypokalemia would occur in which of the following conditions?