which of the following statements regarding the pericardium is not correct
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ATI TEAS 7

Practice TEAS Science Test

1. Which of the following statements regarding the pericardium is not correct?

Correct answer: B

Rationale: The correct statement about the pericardium is that it is double-walled, not single-walled. Choice A is correct because the pericardium does allow the heart to work in a relatively friction-free environment, reducing friction during heartbeats. Choice C is correct as the pericardium helps prevent the overfilling of the heart with blood. Choice D is also correct as the pericardium serves to protect and anchor the heart in place within the chest cavity.

2. Which of the following is NOT a function of the lymphatic system?

Correct answer: B

Rationale: The correct answer is B. Releasing hormones is not a function of the lymphatic system. The lymphatic system plays crucial roles in removing substances from the blood, combating disease through the production of immune cells, and maintaining tissue fluid balance by circulating lymph. Releasing hormones is primarily the function of endocrine glands, not the lymphatic system.

3. Which of the following is an effect of high blood pressure?

Correct answer: C

Rationale: The correct answer is C: Renal vessel damage. High blood pressure can lead to damage in blood vessels throughout the body, including the kidneys. When blood vessels in the kidneys are affected, it can impair kidney function and potentially lead to kidney disease. Smoking (Choice A) and excessive dietary salt (Choice B) can contribute to high blood pressure but are not direct effects of high blood pressure itself. Older age (Choice D) is a risk factor for developing high blood pressure but is not a direct effect of high blood pressure.

4. Which of the following is a unit of work and energy?

Correct answer: B

Rationale: The correct answer is 'B: Kilowatt-hour (kWh).' The kilowatt-hour is a unit commonly used to measure electricity consumption, representing energy usage over time. A Pascal (Pa) is a unit of pressure, Coulomb (C) is a unit of electric charge, and Tesla (T) is a unit of magnetic flux density. Therefore, the kilowatt-hour is the appropriate unit for measuring work and energy in this context.

5. Which of the following is the best unit to measure the amount of blood in the human body?

Correct answer: B

Rationale: Liters are the best unit to measure the amount of blood in the human body because blood volume is typically measured in liters in the medical field. Using liters provides a standardized and accurate measurement of the significant amount of blood in the human body, which is typically around 5-6 liters for an average-sized adult. Other units like ounces, milliliters, and pounds are not commonly used to measure blood volume in clinical settings. Ounces are too small a unit for measuring blood volume, milliliters are less commonly used in this context compared to liters, and pounds are a unit of weight rather than volume.

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