Question 1

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

Accepted Answer

Producing hormones for the endocrine system

Question 2

A patient receives a transfusion of type B blood but is type A. What is the most likely immediate consequence?

Accepted Answer

The patient's immune system will attack the transfused RBCs, causing agglutination.

Question 3

Which property of red blood cells (RBCs) allows them to efficiently exchange gases in capillaries?

Accepted Answer

Their biconcave shape increases surface area for diffusion.

Question 4

Hemoglobin is essential for oxygen transport in the blood. Which of the following best describes its structure?

Accepted Answer

It consists of four polypeptide chains, each with a heme group containing iron.

Question 5

A woman who is Rh-negative becomes pregnant with an Rh-positive baby. What is the risk for her second pregnancy if she does not receive treatment?

Accepted Answer

Her immune system may attack the RBCs of the second Rh-positive fetus, causing hemolytic disease of the newborn.

Question 6

Which of the following best explains why RBCs have a short lifespan (about 120 days)?

Accepted Answer

They lack a nucleus and most organelles, limiting their ability to repair themselves.

Question 7

If old RBCs are not properly recycled by the liver and spleen, which of the following is a likely consequence?

Accepted Answer

Bilirubin accumulates, leading to jaundice.

Question 8

Which of the following is a function of blood plasma proteins?

Accepted Answer

Maintaining osmotic pressure and transporting substances

Question 9

A patient with a bacterial infection shows an increased number of neutrophils. What is the primary function of neutrophils?

Accepted Answer

Phagocytosis of bacteria and cellular debris

Question 10

Which pathway is activated first when a blood vessel is damaged and exposed collagen fibers initiate clotting?

Accepted Answer

Intrinsic pathway

Question 11

Why is it a bad idea to pick your scabs before a wound is fully healed?

Accepted Answer

It disrupts the clotting process and increases the risk of infection.

Question 12

Which of the following best describes the difference between oxygenated and deoxygenated blood?

Accepted Answer

Oxygenated blood is bright red due to oxyhemoglobin, while deoxygenated blood is darker due to reduced hemoglobin.

Question 13

Which of the following is NOT a formed element of blood?

Accepted Answer

Plasma

Question 14

Which white blood cell type is primarily responsible for producing antibodies?

Accepted Answer

Lymphocytes

Question 15

A patient with type AB blood can safely receive blood from which of the following types?

Accepted Answer

Type A, B, AB, and O

Question 16

Which of the following best describes the function of platelets?

Accepted Answer

Initiating the clotting process by forming a temporary plug at the site of injury

Question 17

Which of the following steps occurs during the common pathway of coagulation?

Accepted Answer

Conversion of prothrombin to thrombin

Question 18

Where does erythropoiesis (production of RBCs) primarily occur in adults?

Accepted Answer

Red bone marrow

Question 19

Which of the following is a unique property of blood compared to other connective tissues?

Accepted Answer

It is a fluid tissue with a matrix called plasma.

Question 20

A patient with a parasitic infection is likely to have an increased number of which type of white blood cell?

Accepted Answer

Eosinophils

ANP Blood Worksheet: Step-by-Step Study Guidance

Study Guide - Practice Questions