magnetic resonance imaging might be used to
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Nursing Elites

ATI RN

ATI Anatomy and Physiology Online Practice

1. Magnetic resonance imaging might be used to

Correct answer: B

Rationale: Magnetic resonance imaging, commonly known as MRI, is a non-invasive imaging technique used to visualize internal structures of the body. While it can be used to distinguish between normal and abnormal tissue, one of its common applications is to examine musculoskeletal injuries, such as an injured knee. Choice A has been corrected to mention 'normal and abnormal tissue' instead of 'normal and cancerous tissue' as MRI is not solely used for cancer detection. Choice C is incorrect as MRI can provide detailed images of various body parts, not just limited to the brain. Therefore, the correct answer is to examine an injured knee.

2. Paired organs, such as the kidneys or lungs, are said to be

Correct answer: C

Rationale: The correct answer is C: 'bilateral.' Paired organs like the kidneys or lungs are described as bilateral because they occur in pairs on both sides of the body. Option A 'bisexual' refers to having both male and female reproductive organs, which is not the correct term for paired organs. Option B 'bilingual' refers to being able to speak two languages, which is not related to the description of paired organs. Option D 'bivalent' means having two valences, which is also unrelated to the context of paired organs.

3. Metabolism is defined as _____.

Correct answer: D

Rationale: Metabolism refers to all the chemical reactions that take place within an organism to sustain life, including processes such as breaking down molecules, building new molecules, and energy production. Choice A is incorrect because it describes excretion rather than metabolism. Choice B is incorrect as it specifically refers to the breakdown of substances, not encompassing the entirety of metabolic processes. Choice C is incorrect as it focuses solely on nutrient intake, which is just one aspect of metabolism.

4. Which of the following statements is true concerning the female reproductive system?

Correct answer: D

Rationale: The correct answer is 'All of the above.' The female reproductive system produces female sex cells (eggs), transports them through the fallopian tubes, and can support the development of an embryo through the uterus. Choice A is correct because the ovaries produce eggs, choice B is correct as the fallopian tubes transport the eggs, and choice C is correct as the uterus provides the environment for the embryo to develop. Therefore, all of these statements are true regarding the female reproductive system.

5. An occurrence of too high a concentration of which of the following electrolytes is associated with cardiac arrhythmias?

Correct answer: C

Rationale: The correct answer is potassium. High levels of potassium in the blood, known as hyperkalemia, can lead to cardiac arrhythmias by affecting the electrical activity of the heart. This can disrupt the normal rhythm of the heart and lead to serious complications. Chloride, phosphorus, and sodium imbalances are not typically associated with cardiac arrhythmias, making them incorrect choices.

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