which system is responsible for transporting nutrients gases and wastes in the body
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Nursing Elites

ATI TEAS 7

Science TEAS Practice Test

1. Which system is responsible for transporting nutrients, gases, and wastes in the body?

Correct answer: C

Rationale: The circulatory system is responsible for transporting nutrients, gases, and wastes to and from the cells in the body. It includes the heart, blood vessels, and blood, which work together to distribute oxygen, nutrients, and remove waste products throughout the body. The respiratory system is primarily involved in gas exchange, the digestive system breaks down food for absorption, and the nervous system is responsible for transmitting signals throughout the body.

2. How are kidney stones formed?

Correct answer: B

Rationale: Kidney stones are formed when minerals in the urine crystallize and stick together to form solid masses. Excess water not being reabsorbed (option A) does not directly contribute to kidney stone formation. Similarly, electrolytes becoming too concentrated (option C) is not a direct cause of kidney stone formation. The correct answer is B because the crystallization of minerals in the urine leads to the formation of kidney stones.

3. Which of the following layers of the skin does not contain blood vessels?

Correct answer: C

Rationale: The epidermis is the outermost layer of the skin and is avascular, meaning it does not contain blood vessels. It receives nutrients through diffusion from the underlying dermis. The hypodermis is the subcutaneous tissue beneath the dermis and contains blood vessels. The dermis is the layer of skin between the epidermis and hypodermis, which contains blood vessels, nerves, hair follicles, and sweat glands. 'Hyperdermis' is not a correct anatomical term and is not a layer of the skin, making it an incorrect choice for this question.

4. Which element is present in household bleach and has disinfectant properties?

Correct answer: B

Rationale: The correct answer is B, Chlorine. Chlorine is the element present in household bleach that provides disinfectant properties due to its oxidizing ability. Chlorine is effective in killing bacteria and other microorganisms. Sodium (Choice A) is a component of common table salt and not the active disinfectant in bleach. Fluorine (Choice C) is not typically found in household bleach but is used in fluoride products. Iodine (Choice D) is used as a disinfectant in some contexts but is not the primary element in household bleach.

5. Which of the following is part of the cardiovascular system?

Correct answer: A

Rationale: Blood vessels are indeed part of the cardiovascular system. They are crucial components that facilitate blood circulation by carrying blood throughout the body. The cardiovascular system consists of the heart, blood vessels (arteries, veins, and capillaries), and blood. Blood vessels play a vital role in delivering oxygen and nutrients to tissues and removing waste products. The brain, kidneys, and lungs are not part of the cardiovascular system; instead, they belong to other body systems. The brain is part of the nervous system, kidneys are part of the urinary system, and lungs are part of the respiratory system. Therefore, the correct answer is blood vessels (Choice A). Choices B, C, and D are incorrect as they are not components of the cardiovascular system but belong to different body systems.

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