ATI TEAS 7
Anatomy
1. The term "goiter" refers to a condition characterized by:
- A. Overproduction of cortisol from the adrenal glands
- B. Excessive growth of the thyroid gland
- C. Underproduction of parathyroid hormone (PTH)
- D. Deficiency of growth hormone from the pituitary gland
Correct answer: B
Rationale: The term 'goiter' specifically refers to the abnormal enlargement of the thyroid gland. This can be due to various reasons such as iodine deficiency, Hashimoto's thyroiditis, or Graves' disease. Options A, C, and D are incorrect as they describe conditions related to other glands and hormones in the endocrine system. It is important to differentiate between different endocrine disorders to accurately diagnose and treat patients. Therefore, the correct answer is B, as a goiter is characterized by the excessive growth of the thyroid gland.
2. What is the SI unit of measurement for work?
- A. Newton-meter (N·m)
- B. Joule (J)
- C. Watt (W)
- D. Meter per second (m/s)
Correct answer: b
Rationale: Work is measured in Joules (J) in the SI unit system.
3. How can you predict the charge of an ion formed by an element based on its position on the periodic table?
- A. Look for elements with similar atomic weights
- B. Identify the group number, which often indicates the typical ionic charge
- C. Identify the group number, which often indicates the typical ionic charge
- D. Analyze the element's position within the period
Correct answer: B
Rationale: The group number of an element on the periodic table often indicates the typical ionic charge it will form. Elements in the same group tend to have similar chemical properties, including the tendency to gain or lose electrons to achieve a stable electron configuration. This predictable pattern allows us to anticipate the charge of an ion formed by an element based on its position in the periodic table.
4. What is the main topic of the passage?
- A. Benefits of bioremediation in cleaning oil spills.
- B. Dangers of microplastics to marine ecosystems.
- C. History of plastic production and its global impact.
- D. Comparison of different waste management strategies.
Correct answer: B
Rationale: The passage focuses on the specific issue of microplastics in the marine environment and their harmful effects.
5. Which of the following is NOT a greenhouse gas?
- A. Carbon dioxide
- B. Water vapor
- C. Nitrogen
- D. Methane
Correct answer: C
Rationale: Rationale: A) Carbon dioxide: Carbon dioxide is a greenhouse gas that is naturally present in the Earth's atmosphere and is also released through human activities such as burning fossil fuels. B) Water vapor: Water vapor is a greenhouse gas that is naturally present in the atmosphere and plays a significant role in the Earth's climate system. C) Nitrogen: Nitrogen is not considered a greenhouse gas because it does not have the ability to absorb and emit infrared radiation in the same way that greenhouse gases like carbon dioxide and methane do. D) Methane: Methane is a potent greenhouse gas that is released through natural processes such as wetland decomposition and human activities such as livestock farming and fossil fuel extraction. Therefore, the correct answer is C) Nitrogen, as it is not a greenhouse gas.
6. How does polarization affect the intensity of light passing through a polarizing filter?
- A. All light passes through regardless of polarization.
- B. Light with the same polarization as the filter passes through, while others are blocked
- C. Light with higher intensity passes through, while weaker light is blocked.
- D. The intensity is reduced for all light, regardless of polarization.
Correct answer: B
Rationale: A polarizing filter only allows light waves with a specific polarization direction to pass through, reducing the intensity of waves with different orientations.
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