Question 1

Which of the following best describes the composition of plasma in human blood?

Accepted Answer

Plasma is a mixture of water, proteins, electrolytes, and waste products.

Question 2

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

Accepted Answer

Albumin

Question 3

A patient has a hematocrit of 60%. What does this indicate about their blood?

Accepted Answer

They have a higher than normal percentage of red blood cells.

Question 4

Which of the following is the correct sequence for the differentiation of pluripotent hematopoietic stem cells?

Accepted Answer

Pluripotent stem cell → Myeloid progenitor → Erythrocyte

Question 5

Which cytokine is primarily responsible for stimulating the production of red blood cells?

Accepted Answer

Erythropoietin

Question 6

A patient with jaundice is likely to have elevated levels of which substance in their blood?

Accepted Answer

Bilirubin

Question 7

Which of the following best explains why mature red blood cells lack a nucleus?

Accepted Answer

To maximize space for hemoglobin and improve oxygen transport

Question 8

What is the primary source of ATP for mature red blood cells?

Accepted Answer

Anaerobic glycolysis

Question 9

If a red blood cell is placed in a hypotonic solution, what will happen to it?

Accepted Answer

It will swell and may burst due to water influx.

Question 10

Which of the following is a major cause of anemia?

Accepted Answer

Lack of dietary iron

Question 11

Which hormone stimulates the production of platelets?

Accepted Answer

Thrombopoietin

Question 12

Which of the following best describes the process of hemostasis?

Accepted Answer

The prevention of blood loss from damaged blood vessels

Question 13

Which step is NOT part of the three major steps of hemostasis?

Accepted Answer

Erythrocyte aggregation

Question 14

Which of the following is a function of platelets?

Accepted Answer

Initiating the clotting process by adhering to exposed collagen

Question 15

Which of the following is a characteristic of sickle cell disease?

Accepted Answer

Hemoglobin S causes red blood cells to become rigid and sickle-shaped.

Question 16

Which of the following best describes the role of fibrin in blood clotting?

Accepted Answer

Fibrin forms a mesh that stabilizes the platelet plug.

Question 17

Which of the following is a function of colony-stimulating factors (CSFs)?

Accepted Answer

Regulate the production and development of white blood cells

Question 18

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

Accepted Answer

Infections

Question 19

Which of the following is a mechanism that limits the extent of blood clotting within a vessel?

Accepted Answer

Release of anticoagulants such as antithrombin

Question 20

Which of the following best describes hemophilia?

Accepted Answer

A genetic disorder resulting in impaired blood clotting

Blood: Plasma, Cellular Elements, and Hemostasis – Study Guide

Study Guide - Practice Questions