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TLS Online TPP Program

#Question id: 12937

Choose the incorrect statement about Yeast Artificial Chromosome vectors.

#Unit 13. Methods in Biology
  1. They are linear molecule composed of a centromere,telomeres and a replication origin termed ARS element.
  2. It is digested with restriction enzymes at the SUP4 and Bam HI sites separating the telomere sequences.
  3. It produces four arms and the foreign genomic DNA is fragmented.
  4. They are replicated in yeast cells and the external cell wall of the yeast needs to be removed to leave a spheroplast.
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TLS Online TPP Program

#Question id: 12381

#Unit 7. System Physiology – Animal

 A person with normal body fluid volumes weighs 60 kg and has an extracellular fluid volume of approximately 12.8 L, a blood volume of 4.3 L, and a hematocrit of 0.4; 57% of his body weight is water.
What is the approximate plasma volume?
TLS Online TPP Program

#Question id: 12382

#Unit 7. System Physiology – Animal

A person with normal body fluid volumes weighs 60 kg and has an extracellular fluid volume of approximately 12.8 L, a blood volume of 4.3 L, and a hematocrit of 0.4; 57% of his body weight is water.
What is the approximate interstitial fluid volume?
TLS Online TPP Program

#Question id: 12383

#Unit 7. System Physiology – Animal

Which of the following changes tends to increase urinary Ca++ excretion?
TLS Online TPP Program

#Question id: 12384

#Unit 7. System Physiology – Animal

To evaluate kidney function in a 45-year-old woman with type II diabetes, you ask her to collect her urine over 24 hours. She collects 3600 ml of urine in that period. The clinical laboratory returns the following results after analyzing the patient’s urine and plasma samples: plasma creatinine = 4 mg/dL, urine creatinine = 32 mg/dL, plasma potassium = 5 mmol/L, and urine potassium = 10 mmol/L.
What is this patient’s approximate GFR, assuming that she collected all her urine in the 24-hour period?
TLS Online TPP Program

#Question id: 12385

#Unit 7. System Physiology – Animal

To evaluate kidney function in a 45-year-old woman with type II diabetes, you ask her to collect her urine over 24 hours. She collects 3600 ml of urine in that period. The clinical laboratory returns the following results after analyzing the patient’s urine and plasma samples: plasma creatinine = 4 mg/dL, urine creatinine = 32 mg/dL, plasma potassium = 5 mmol/L, and urine potassium = 10 mmol/L.
What is the net renal tubular reabsorption rate of potassium in this patient?
TLS Online TPP Program

#Question id: 12386

#Unit 7. System Physiology – Animal

Which of the following changes would you expect to find in a patient who developed acute renal failure after ingesting poisonous mushrooms that caused renal tubular necrosis?