#Question id: 11744
#Unit 6. System Physiology – Plant
Large pores in cell walls are the prominent feature of sieve elements, the sieve area pores range in diameter from
#Question id: 11747
#Unit 6. System Physiology – Plant
A mechanism for preventing sap loss entails closing sieve plate pores with callose, which is
#Question id: 11755
#Unit 7. System Physiology – Animal
Which of the following solutions when infused intravenously would result in an increase in extracellular fluid volume, a decrease in intracellular fluid volume, and an increase in total body water after osmotic equilibrium?
#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?