$$Blood\ Volume\ (L) = 0.07 \times Body\ Weight\ (kg)$$

$$Blood\ Volume = 0.07 \times 70 = 4.9\ L$$

Question 1

Which of the following best describes the primary function of albumins in blood plasma?

Accepted Answer

They transport substances such as fatty acids, thyroid hormones, and steroid hormones.

Question 2

A patient with a hematocrit of 60% is most likely experiencing which of the following conditions?

Accepted Answer

Polycythemia

Question 3

Which of the following equations correctly estimates blood volume in liters for an adult based on body weight in kilograms?

Accepted Answer

$$Blood\ Volume\ (L) = 0.07 	imes Body\ Weight\ (kg)$$

Question 4

A blood sample is centrifuged and separates into plasma and formed elements. Which of the following is NOT a component of the formed elements?

Accepted Answer

Albumins

Question 5

Which of the following statements about the physical characteristics of blood is correct?

Accepted Answer

Blood has a normal temperature of 38°C (100.4°F).

Question 6

A laboratory technician separates a blood sample into its components. Which process is being performed?

Accepted Answer

Fractionation

Question 7

Which plasma protein is primarily responsible for the formation of blood clots?

Accepted Answer

Fibrinogen

Question 8

If a person is severely dehydrated, which component of blood is most likely to decrease in volume?

Accepted Answer

Plasma

Question 9

Which of the following best explains why blood is considered a connective tissue?

Accepted Answer

It consists of cells suspended in a fluid matrix.

Question 10

A patient has a plasma protein deficiency due to liver disease. Which of the following is a likely consequence?

Accepted Answer

Decreased blood osmotic pressure

Question 11

Which of the following is the correct order of abundance for the three major plasma proteins?

Accepted Answer

Albumins \u003e Globulins \u003e Fibrinogen

Question 12

Which of the following is a function of blood that helps maintain homeostasis during exercise?

Accepted Answer

Stabilization of body temperature

Question 13

A patient with a body weight of 70 kg is estimated to have what blood volume?

Accepted Answer

$$Blood\ Volume = 0.07 	imes 70 = 4.9\ L$$

Question 14

Which of the following best describes the relationship between plasma and interstitial fluid (IF)?

Accepted Answer

Plasma and IF exchange water, ions, and small solutes across capillary walls.

Question 15

Which of the following is NOT a function of blood?

Accepted Answer

Synthesis of digestive enzymes

Question 16

Which of the following statements about the composition of whole blood is correct?

Accepted Answer

Formed elements make up about 45% of whole blood.

Question 17

Which of the following best explains why plasma proteins are important for blood function?

Accepted Answer

They help maintain osmotic pressure and transport substances.

Question 18

Which of the following is a correct statement about the three types of formed elements in blood?

Accepted Answer

Platelets are cell fragments involved in clotting.

Question 19

Which process is responsible for the production of all formed elements in blood?

Accepted Answer

Hemopoiesis

Question 20

A patient has a plasma protein concentration that is 50% lower than normal. Which of the following is a likely clinical consequence?

Accepted Answer

Edema due to decreased osmotic pressure

Blood and the Cardiovascular System: Structure, Composition, and Function

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