Nursing Elites

1. Which organ is involved in the immune system?

• A. Heart
• B. Bronchi
• C. Appendix
• D. Esophagus

Correct answer: C

Rationale: The correct answer is the Appendix. The appendix is now known to play a role in the immune system by housing beneficial bacteria that aid in maintaining gut health and supporting immune responses. This organ contributes to overall immune function. Choices A, B, and D are incorrect as the heart, bronchi, and esophagus are not primarily associated with the immune system.

2. Where is a gallstone most likely to cause pain?

• A. In the upper right quadrant of the abdomen
• B. In the lower right quadrant of the abdomen
• C. In the umbilical region
• D. Along the pelvic girdle

Correct answer: A

Rationale: A gallstone is most likely to cause pain in the upper right quadrant of the abdomen. This specific area corresponds to the location of the gallbladder. When a gallstone blocks the flow of bile from the gallbladder, it can lead to inflammation and pain in this region. The pain may also radiate to the back or right shoulder blade due to referred pain patterns associated with gallbladder issues. Choices B, C, and D are incorrect because gallstone pain is typically felt in the upper right quadrant of the abdomen, not the lower right quadrant, umbilical region, or along the pelvic girdle.

3. Which system does the gall bladder belong to?

• A. endocrine system
• B. urinary system
• C. digestive system
• D. nervous system

Correct answer: C

Rationale: The gall bladder is part of the digestive system. Its primary function is to store and concentrate bile produced by the liver and release it into the small intestine to aid in the digestion of fats. This process facilitates the breakdown and absorption of fats from the food we consume. Choices A, B, and D are incorrect as the gall bladder is not associated with the endocrine, urinary, or nervous systems.

4. Which structure in the kidney is responsible for filtering blood?

• A. Glomerulus
• B. Bowman's capsule
• C. Loop of Henle
• D. Collecting duct

Correct answer: A

Rationale: The glomerulus is the correct answer. It is a vital structure in the kidney responsible for filtering blood. The glomerulus is a network of capillaries that filters waste products and excess substances from the blood to form urine. While the Bowman's capsule, Loop of Henle, and Collecting duct are also essential components of the nephron, the primary site of blood filtration occurs at the glomerulus. The Bowman's capsule surrounds the glomerulus and collects the filtered fluid, the Loop of Henle reabsorbs water and important ions, and the Collecting duct further concentrates the urine, but none of these structures are primarily responsible for filtering blood as the glomerulus is.

5. What is the function of the gallbladder in the digestive system?

• A. To produce bile
• B. To store and concentrate bile
• C. To detoxify harmful substances
• D. To regulate blood sugar

Correct answer: B

Rationale: The gallbladder's main function is to store and concentrate bile produced by the liver. Bile is essential for the digestion and absorption of fats in the small intestine. Therefore, the correct answer is B, as the gallbladder acts as a reservoir for bile rather than producing it. Choices A, C, and D are incorrect because the gallbladder does not produce bile, detoxify harmful substances, or regulate blood sugar in the digestive system.

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