It Is Desired to Determine the Blood Volume of a Live

question 54

Multiple Choice

It is desired to determine the blood volume of a live mouse. To do this, 0.10 mL of a saline suspension of red blood cells labeled with is injected into the tail vein. Before injection the gamma rays were counted for this 0.10-mL solution, and the count rate was found to be 1.0 × 10⁴ cpm. After a sufficient time for the blood to be thoroughly mixed, 0.10 mL of blood is removed and counted. The sample is found to have a count rate of 476 cpm. What is the approximate blood volume of the mouse?

• A) 0.48 mL
• B) 4.7 mL
• C) 21 mL
• D) 4.8 mL
• E) 2.1 mL

---

Definitions:

Abilities

The skills and competencies that an individual has, which enable them to perform specific tasks.

HR Gap

A shortage of human capital such that the organization is unable to meet its current or forecasted human capital requirements.

Human Capital

The collective skills, knowledge, or other intangible assets of individuals that can contribute to an organization's performance and economy.

Shortage

A situation in which the demand for a product or service exceeds the available supply, often leading to higher prices or unmet consumer needs.