#Question id: 11756
#Unit 7. System Physiology – Animal
A 65-year-old man has a heart attack and experiences
cardiopulmonary arrest while being transported to the emergency room. The
following laboratory values are obtained from arterial blood:
plasma pH = 7.12,
plasma PCO2 = 60mm Hg, and
plasma HCO3− concentration = 19 mEq/L.
Which of the following best describes his acid-base disorder?
#Question id: 11757
#Unit 7. System Physiology – Animal
Which of the following tends to decrease potassium secretion by the cortical collecting tubule?
#Question id: 11758
#Unit 7. System Physiology – Animal
In normal kidneys, which of the following is true of the osmolarity of renal tubular fluid that flows through the early distal tubule in the region of the macula densa?
#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?
#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?
#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?
