TLS Online TPP Program

#Question id: 12259


Which of the following is an example of exploitation competition? 

#Unit 10. Ecological Principles
  1. Fungi limit the growth of bacteria in their vicinity by releasing antibiotics
  2. Hummingbirds chase other hummingbirds away from flowering plants
  3. The population of one plant species reduces an essential nutrient element below the minimum level required to support the population of a second plant species, which is eliminated
  4. Shrubs of the genus salvia release toxic chemicals that inhibit the growth of other vegetation
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TLS Online TPP Program

#Question id: 11796

#Unit 7. System Physiology – Animal

Which of the following hormones is largely unbound to plasma proteins?

TLS Online TPP Program

#Question id: 11903

#Unit 7. System Physiology – Animal

If a patient has a creatinine clearance of 90 ml/min, a urine flow rate of 1 ml/min, a plasma K+ concentration of 4 mEq/L, and a urine K+ concentration of 60 mEq/L, what is the approximate rate of K+ excretion?

TLS Online TPP Program

#Question id: 11904

#Unit 7. System Physiology – Animal

Which of the following changes would be expected in a patient with diabetes insipidus due to a lack of antidiuretic hormone (ADH) secretion?


TLS Online TPP Program

#Question id: 11905

#Unit 7. System Physiology – Animal

A 26-year-old woman recently decided to adopt a healthier diet and eat more fruits and vegetables. As a result, her potassium intake increased from 80 to 160 mmol/day. Which of the following conditions would you expect to find 2 weeks after she increased her potassium intake, compared with before the increase?


TLS Online TPP Program

#Question id: 11906

#Unit 7. System Physiology – Animal

Which of the following changes would you expect to find after administering a vasodilator drug that caused a 50% decrease in afferent arteriolar resistance and no change in arterial pressure?

TLS Online TPP Program

#Question id: 11907

#Unit 7. System Physiology – Animal

A 32-year-old man complains of frequent urination. He is overweight (280 lb, 5 ft 10 in tall), and after measuring the 24-hr creatinine clearance, you estimate his GFR to be 150 ml/min. His plasma glucose is 300 mg/dL. Assuming that his renal transport maximum for glucose is normal, as shown in the figure above, what would be this patient’s approximate rate of urinary glucose excretion?