Which of the following is true regarding retrograde urography?1. The ureters must be catheterized.2. The exam provides little physiologic information.3. Contrast is injected directly into the pelvicalyceal system.

In what oblique plane do the kidneys lay toward the aorta?

Each kidney has approximately _______ million nephrons.

In what oblique plane do the kidneys lay toward the aorta?

Contraindications for intravenous urography include:1. allergy to contrast2. renal failure3. elderly patients

A normal creatinine level is _____ mg/dL.

The cup-shaped recesses in the center of each kidney that receive the urine from the renal papilla are called the:

Which of the following is NOT a function of fiat money?

Assume that the marginal propensity to consume is 0.90. As a result of an increase in the tax rates, the government collects an additional $20 million. What will be the impact on gross domestic product (GDP) ?

Which of the following is an example of an oil-in-water emulsion?