Question 1

Which of the following is NOT a major function of blood?

Accepted Answer

Production of hormones

Question 2

A patient presents with a hematocrit of 32%. Which condition is most likely indicated?

Accepted Answer

Anemia

Question 3

Which plasma protein is primarily responsible for maintaining osmotic pressure in blood?

Accepted Answer

Albumins

Question 4

During erythropoiesis, which cell type is the immediate precursor to mature red blood cells?

Accepted Answer

Reticulocyte

Question 5

A blood sample is spun in a centrifuge. What percentage of the sample is expected to be plasma in a healthy adult?

Accepted Answer

$$55\%$$

Question 6

Which of the following best explains why red blood cells rely on anaerobic metabolism?

Accepted Answer

They lack mitochondria and a nucleus

Question 7

A patient with liver disease is likely to have altered blood composition because:

Accepted Answer

The liver produces most plasma proteins

Question 8

Which white blood cell type is most abundant in a normal differential count?

Accepted Answer

Neutrophil

Question 9

A patient with a genetic deficiency in clotting factor VIII is most likely to suffer from:

Accepted Answer

Hemophilia

Question 10

Which of the following steps occurs FIRST in the process of hemostasis after a blood vessel injury?

Accepted Answer

Vascular spasm

Question 11

A person with blood type AB negative ($$AB^-) $$can safely receive blood from which of the following donors?

Accepted Answer

Type O negative ($$O^-)$$

Question 12

Which of the following is TRUE regarding the recycling of hemoglobin?

Accepted Answer

Iron is released into the blood and binds to transferrin

Question 13

Which equation best represents the conversion of prothrombin to thrombin during coagulation?

Accepted Answer

$$\mathrm{Prothrombin} + \mathrm{Prothrombinase} \rightarrow \mathrm{Thrombin}$$

Question 14

Which of the following is a correct sequence for the maturation of red blood cells?

Accepted Answer

Hemocytoblast $$\rightarrow$$ Myeloid stem cell $$\rightarrow$$ Erythroblast $$\rightarrow$$ Reticulocyte $$\rightarrow$$ Erythrocyte

Question 15

Which of the following is a function of eosinophils?

Accepted Answer

Combat inflammation in allergic reactions and fight parasitic worms

Question 16

A patient with thrombocytopenia is at increased risk for which of the following?

Accepted Answer

Excessive bleeding

Question 17

Which of the following statements about the ABO blood group system is CORRECT?

Accepted Answer

Type O blood lacks both A and B antigens on RBCs

Question 18

Which process allows white blood cells to move out of blood vessels and into tissues?

Accepted Answer

Diapedesis

Question 19

A newborn develops jaundice shortly after birth. Which of the following is the most likely cause?

Accepted Answer

Excess bilirubin not processed by the liver

Question 20

Which of the following best describes the role of erythropoietin (EPO) in erythropoiesis?

Accepted Answer

Stimulates myeloid stem cells to increase cell division and maturation of RBCs

Chapter 11: Blood – Structure, Function, and Clinical Relevance

Study Guide - Practice Questions