Consider the following statements about income elasticity: (1) For inferior goods, income elasticity is negative.(2) For inferior goods, income elasticity is between zero and one.(3) When income elasticity for a good is greater than one, the share of income spent on that good increases as income increases. Which of the above statements about income elasticity are true?

Pulmonary circulation carries blood from the right side of the heart to the lungs and back to the left side of the heart.

Erythropoietin is produced primarily by the liver in adults.

Knowing what you know about RAAS, what is a likely physiological effect of the drug?

Suppose that a tax of $4 per unit is imposed in the market.

Considering the renin-angiotensin-aldosterone system (RAAS), what would an increase in aldosterone do to blood pressure?

Use the research scenario to answer the questions: A new drug is developed that should eliminate the need to urinate on long trips by causing the kidneys to reabsorb 100% of the filtrate back into the blood. It does this by affecting the renin-angiotensin-aldosterone-system. In trials, 10,000 people were included, with 7,500 people receiving the drug and the remaining 2,500 receiving a placebo. After taking the drug, the treatment group had an average urination rate of less than once/day, and overall urine volume was reduced to less than 10% of the control group. What is the dependent variable?

As the diameter of a blood vessel decreases, resistance to blood flow:

Hematopoiesis occurs primarily in the bone marrow in adults.

ADH decreases the number of aquaporins in the collecting ducts.