Answer to Question 1
Correct Answer: 2
Rationale 1: Meat provides protein, but not much potassium.
Rationale 2: Bananas are great source of potassium. Other foods high in potassium are green leafy vegetables.
Rationale 3: Cheese is a good source of calcium.
Rationale 4: yogurt is a good source of calcium.
Answer to Question 2
Correct Answer: 3
Rationale 1: The loop of Henle filtrates.
Rationale 2: The Bowman's capsule filters the blood.
Rationale 3: The nephron is the functional unit which receives blood.
Rationale 4: The distal tubule passes filtrate.