which element is used in insulin and promotes glucose uptake into cells for energy production
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ATI TEAS 7

Mometrix TEAS 7 science practice test

1. Which element is used in insulin and promotes glucose uptake into cells for energy production?

Correct answer: B

Rationale: Chromium is the correct answer. Chromium is the element used in insulin that aids in its function by enhancing glucose uptake into cells and regulating blood sugar levels. It plays a crucial role in the body's energy production processes by facilitating the action of insulin. Zinc (Choice A), although important for various physiological functions, is not the element used in insulin. Manganese (Choice C) is necessary for enzyme activation but is not directly involved in insulin's function. Iron (Choice D) is essential for oxygen transport but is not the element used in insulin for promoting glucose uptake into cells.

2. What does the innate immune system provide?

Correct answer: A

Rationale: The correct answer is A. The innate immune system provides nonspecific, immediate defense against pathogens. It is the body's first line of defense in responding to infections and does not involve memory cells or specific long-term immune responses like the adaptive immune system. Choice B is incorrect because specific, long-term immune responses through memory cells are characteristics of the adaptive immune system, not the innate immune system. Choice C is incorrect because the innate immune system does not provide specific, long-term immune responses. Choice D is incorrect because the innate immune system does provide an immediate defense against pathogens.

3. Which of the following is the body cavity that contains the urinary bladder, urethra, and ureters?

Correct answer: B

Rationale: The correct answer is B, the pelvic cavity. The pelvic cavity houses organs related to the urinary and reproductive systems. The urinary bladder, urethra, and ureters are located in the pelvic cavity, making it the correct choice. The thoracic cavity contains the heart and lungs, while the abdominal cavity houses organs like the stomach and intestines. The spinal cavity, on the other hand, protects the spinal cord. Therefore, options A, C, and D are incorrect as they do not house the specific organs mentioned in the question.

4. What is the structure that attaches to each chromosome during mitosis?

Correct answer: A

Rationale: The correct answer is the centromere. It is the structure that attaches to each chromosome during mitosis. The centromere serves as the attachment point for spindle fibers during cell division, ensuring proper distribution of chromosomes to daughter cells. Telomeres are found at the ends of chromosomes, providing protection and stability. The spindle apparatus is responsible for separating chromosomes during cell division. The nucleolus, located within the nucleus, is involved in ribosomal RNA synthesis and not in chromosome attachment during mitosis.

5. Which blood type is known as the universal donor?

Correct answer: D

Rationale: Type O blood is known as the universal donor because it lacks antigens on the surface of red blood cells. This characteristic makes it compatible with all blood types during transfusions. Type A, Type B, and Type AB blood types have specific antigens that can cause adverse reactions if transfused to an incompatible recipient.

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