$$\text{Prothrombinase} \rightarrow \text{Prothrombin} \rightarrow \text{Thrombin} \rightarrow \text{Fibrinogen} \rightarrow \text{Fibrin}$$

Question 1

Which of the following is NOT a function of blood in the human body?

Accepted Answer

Producing nerve impulses for muscle contraction

Question 2

A patient presents with a blood pH of 7.1. Based on the properties of whole blood, how would you classify this condition?

Accepted Answer

Acidosis, since normal blood pH is between 7.35 and 7.45

Question 3

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

Accepted Answer

Albumins

Question 4

A patient with a deficiency in vitamin K would most likely experience which of the following symptoms?

Accepted Answer

Decreased ability to form blood clots

Question 5

Which of the following best describes the process of hematopoiesis?

Accepted Answer

The formation of blood cells from stem cells in red bone marrow

Question 6

A patient with sickle cell anemia is likely to experience which of the following complications?

Accepted Answer

Reduced oxygen carrying capacity and hemolytic anemia

Question 7

Which of the following white blood cells is primarily responsible for combating parasitic infections and allergic reactions?

Accepted Answer

Eosinophils

Question 8

A blood sample is found to have both anti-A and anti-B antibodies in the plasma. What is the most likely ABO blood type of this individual?

Accepted Answer

Type O

Question 9

Which of the following sequences correctly describes the main steps of the coagulation cascade?

Accepted Answer

$$	ext{Prothrombinase} ightarrow 	ext{Prothrombin} ightarrow 	ext{Thrombin} ightarrow 	ext{Fibrinogen} ightarrow 	ext{Fibrin}$$

Question 10

A woman who is Rh- becomes pregnant with an Rh+ fetus. What is the risk in subsequent pregnancies if she is not treated after the first delivery?

Accepted Answer

Risk of hemolytic disease of the newborn due to maternal anti-Rh antibodies attacking fetal RBCs

Question 11

Which of the following best explains why red blood cells are biconcave in shape?

Accepted Answer

To increase their flexibility and surface area for gas exchange

Question 12

A patient’s complete blood count shows a high reticulocyte count. What does this most likely indicate?

Accepted Answer

Shortened RBC lifespan or increased RBC production

Question 13

Which of the following is a correct statement about the recycling of aged or damaged red blood cells?

Accepted Answer

Iron is transported back to the bone marrow bound to transferrin

Question 14

Which of the following blood disorders is characterized by an inherited deficiency of clotting factors?

Accepted Answer

Hemophilia

Question 15

A patient with myeloid leukemia would most likely show an abnormal increase in which of the following cell types?

Accepted Answer

Granulocytes (neutrophils, eosinophils, or basophils)

Question 16

Which of the following is a shared property of all white blood cells?

Accepted Answer

They are all nucleated and can leave the bloodstream

Question 17

Which of the following is required for the coagulation cascade to proceed?

Accepted Answer

Calcium ions ($$\mathrm{Ca$$^{2+}$$})$$

Question 18

A patient with iron deficiency anemia would most likely have which of the following findings on a blood smear?

Accepted Answer

Small, microcytic red blood cells

Question 19

Which of the following best describes the role of plasmin in the body?

Accepted Answer

Dissolves fibrin threads to break down clots

Question 20

A patient is diagnosed with septicemia. Which of the following best describes this condition?

Accepted Answer

Bacteria are present and multiplying in the blood

Blood: Structure, Function, and Clinical Significance

Study Guide - Practice Questions