how does the digestive system work with the urinary system
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Nursing Elites

HESI A2

HESI A2 Anatomy and Physiology Practice Test

1. How do the digestive system and urinary system work together?

Correct answer: D

Rationale: The correct answer is D because the urinary system eliminates some waste products of digestion. After digestion in the digestive system, nutrients are absorbed into the bloodstream, and waste products are transported to the kidneys via the urinary system to be excreted as urine. This process helps eliminate waste products generated during digestion, illustrating the coordination between the digestive and urinary systems. Choices A, B, and C are incorrect. Choice A is incorrect as the ureter is part of the urinary system, not controlled by the digestive system. Choice B is incorrect as the urinary system primarily removes metabolic waste, not toxins from digestion. Choice C is incorrect because the digestive system mainly aids in digestion and nutrient absorption, not hormone production affecting urination.

2. Which chamber of the heart is the strongest and largest?

Correct answer: D

Rationale: The left ventricle is the largest and most powerful chamber of the heart. It receives oxygenated blood from the left atrium and pumps it out to the body through the aorta, providing the body's tissues with vital oxygen and nutrients. The left atrium primarily acts as a receiving chamber for oxygenated blood from the lungs. The right atrium receives deoxygenated blood from the body, while the right ventricle pumps this blood to the lungs for oxygenation. Therefore, the correct answer is the left ventricle, as it is responsible for pumping oxygenated blood to the body.

3. Which structure in the kidney filters blood to form urine?

Correct answer: B

Rationale: The glomerulus is a key structure in the kidney responsible for filtering blood. It consists of a network of capillaries that filter waste products and excess substances from the blood, allowing the formation of urine. While the nephron, Bowman's capsule, and Loop of Henle are also essential components of the kidney's filtration system, the glomerulus is specifically involved in the initial blood filtration process. The nephron is the functional unit of the kidney, Bowman's capsule surrounds the glomerulus and collects the filtrate, and the Loop of Henle is responsible for reabsorption and concentration of urine, not the initial blood filtration.

4. Which of the following is not part of the central nervous system?

Correct answer: B

Rationale: The central nervous system consists of the brain and spinal cord, which are responsible for processing and coordinating information. The retina is part of the eye, while the heart is part of the circulatory system. Therefore, the correct answer is 'Spinal cord' as it is not part of the central nervous system.

5. Which organ system is primarily responsible for integrating voluntary movements?

Correct answer: D

Rationale: The correct answer is D: Nervous system. The nervous system is primarily responsible for integrating voluntary movements. This system includes the brain, spinal cord, and peripheral nerves that communicate signals throughout the body to control movement. The brain interprets sensory information, formulates decisions, and sends signals to the muscles to execute voluntary movements. The cardiovascular system is responsible for circulating blood, the digestive system for breaking down food and absorbing nutrients, and the respiratory system for gas exchange in the body. Choices A, B, and C are incorrect as they do not play a primary role in integrating voluntary movements.

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