Chapter 37, Problem 30A

Summary Introduction

Introduction:

The given diagram demonstrating Rheumatoid arthritis; it is an inflammatory disorder that can affect more than just joints.

Answer to Problem 30A

Correct answer:

The correct answer is option (C) Rheumatoid arthritis; it is an inflammatory disorder that can affect more than just joints.

Explanation of Solution

Explanation/justification for the correct answer:

Option (C) Rheumatoid arthritis is a chronic inflammatory disorder; it can affect more than just the joints. In some people’s bodies, the condition can damage a wide variety of body systems, including the skin, eyes, lungs, heart. It usually results in a warm, swollen, and painful joints. Pain and stiffness often worsen following the rest. So, the correct answer is option (c).

Explanation for incorrect answer:

Option (A) Tetanus is a disease caused by a bacterial toxin that affects the nervous system, leading to painful muscle contractions, particularly the jaw and neck muscles. So, this is incorrect.

Option (B) Sickle cell disease (SCD) is a group of blood disorders that inherited from a person's parents. The most common is known as sickle cell anemia (SCA). It results in an abnormality in the oxygen-carrying protein hemoglobin found in RBCs. So, this is incorrect.

Option (D) allergies are also called as allergic diseases. There are several conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. So, this is incorrect.