Question 1

Which of the following best describes the function of C-reactive protein (CRP) in a clinical setting?

Accepted Answer

It is a protein produced by the liver that increases in response to inflammation.

Question 2

A patient receives an injection of antibodies after being exposed to rabies. What type of immunity is this an example of?

Accepted Answer

Passive adaptive immunity

Question 3

Which of the following drugs is classified as a fast-acting anticoagulant and is commonly used to prevent blood clots during surgery?

Accepted Answer

Heparin

Question 4

What is the primary function of Epoetin Alfa in medical treatment?

Accepted Answer

To stimulate red blood cell formation

Question 5

Which of the following best defines an antigen?

Accepted Answer

A substance on cell surfaces that serves as an identity marker and can trigger an immune response

Question 6

A patient is vaccinated against measles. What type of immunity does this confer?

Accepted Answer

Active adaptive immunity

Question 7

Which of the following statements about the lymphatic system is correct?

Accepted Answer

Lymph flows in one direction and is part of the immune system.

Question 8

Which of the following best describes the difference between nonspecific (innate) and adaptive (specific) immunity?

Accepted Answer

Nonspecific immunity works against a large range of pathogens, while adaptive immunity targets specific pathogens.

Question 9

A laboratory test called ELISA is used to:

Accepted Answer

Screen for the presence of specific antibodies or proteins in a sample.

Question 10

Which of the following best describes the function of antibodies?

Accepted Answer

They are V-shaped proteins produced by the immune system to fight pathogens.

Question 11

A patient receives a bone marrow transplant and develops a condition where the donor cells attack the recipient's tissues. What is this condition called?

Accepted Answer

Graft-versus-host disease

Question 12

Which of the following is a correct description of serum?

Accepted Answer

It is the clear, yellowish fluid that remains after blood has clotted and cells have been removed.

Question 13

Which of the following best describes the process of hemostasis?

Accepted Answer

The process of stopping bleeding through clot formation

Question 14

A patient is born with the ability to defend against a wide range of pathogens without prior exposure. This is an example of:

Accepted Answer

Nonspecific (innate) immunity

Question 15

Which of the following best describes the term 'morphology' in a medical context?

Accepted Answer

The shape and structure of cells or organisms

Question 16

A patient is given a drug to lower cholesterol. Which class of drug is most likely being used?

Accepted Answer

Statin

Question 17

Which of the following is a correct statement about the direction of lymph flow?

Accepted Answer

Lymph flows in one direction toward the heart.

Question 18

Which of the following best describes the function of clotting factors in the blood?

Accepted Answer

They are proteins that help form blood clots to stop bleeding.

Question 19

A patient is exposed to a pathogen and develops a permanent immunity after recovering from the disease. This is an example of:

Accepted Answer

Active adaptive immunity

Question 20

Which of the following best describes the purpose of a cell count blood test?

Accepted Answer

To determine the number and types of blood cells present

Blood, Lymphatic, and Immune Systems: Key Concepts and Terminology

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