ATI TEAS 7
Reading
1. Which additional information would be MOST relevant to the passage's argument?
- A. A detailed biography of a historical figure with no analysis of their impact on society.
- B. A timeline of technological advancements throughout history with no connection to social consequences.
- C. A case study of how historical knowledge informed the development of a successful solution to a contemporary problem.
- D. A statistical analysis of economic trends without any reference to historical events or context.
Correct answer: C
Rationale: Choice C aligns with the passage's theme by demonstrating how historical knowledge directly impacted a contemporary solution, further supporting the argument for history's value.
2. The patella, commonly known as the kneecap, is an example of a:
- A. Sesamoid bone
- B. Long bone
- C. Short bone
- D. Irregular bone
Correct answer: A
Rationale: The patella, or kneecap, is a sesamoid bone. Sesamoid bones are small bones that develop within tendons, typically where they pass over joints. The patella functions to protect the knee joint and enhance the leverage of the quadriceps muscle. Its location and function align with those of a sesamoid bone, making option A the correct choice. Long bones, such as the femur, are characterized by their elongated shape and serve as levers for movement. Short bones, like those in the wrist and ankle, provide support and stability. Irregular bones, such as the vertebrae, have complex shapes and functions. Therefore, option A is the most appropriate answer in this context.
3. What is the difference between a germline mutation and a somatic mutation?
- A. Germline mutations are passed to offspring, while somatic mutations are not.
- B. Germline mutations occur in reproductive cells, while somatic mutations occur in body cells.
- C. Germline mutations only affect genes, while somatic mutations can affect any DNA.
- D. Germline mutations are always beneficial, while somatic mutations are always harmful.
Correct answer: B
Rationale: Rationale: - Germline mutations are changes in the DNA of reproductive cells (sperm or egg cells) and can be passed on to offspring, affecting all cells in the resulting organism. - Somatic mutations are changes in the DNA of non-reproductive cells (body cells) and are not passed on to offspring. These mutations only affect the cells that arise from the mutated cell. - Option A is incorrect because somatic mutations are not passed to offspring. - Option C is incorrect because both germline and somatic mutations can affect any DNA. - Option D is incorrect because the effects of mutations, whether germline or somatic, can be beneficial, harmful, or have no significant impact.
4. Which of the following is NOT a risk factor for developing atherosclerosis?
- A. High blood pressure
- B. High levels of LDL cholesterol
- C. Regular physical activity
- D. Smoking
Correct answer: C
Rationale: Regular physical activity is NOT a risk factor for developing atherosclerosis. In fact, engaging in regular physical activity can help reduce the risk of developing atherosclerosis by improving cardiovascular health, lowering blood pressure, and reducing LDL cholesterol levels. High blood pressure, high levels of LDL cholesterol, and smoking are all known risk factors for atherosclerosis. High blood pressure can damage blood vessels, making them more susceptible to plaque buildup. High levels of LDL cholesterol can lead to the accumulation of plaque in the arteries, narrowing the passageways and increasing the risk of atherosclerosis. Smoking is harmful to blood vessels, promoting inflammation and the formation of plaque. Therefore, regular physical activity is actually a protective factor against atherosclerosis rather than a risk factor.
5. The spleen, a large lymphatic organ, is located in the:
- A. Chest
- B. Abdomen
- C. Pelvis
- D. Head and neck
Correct answer: B
Rationale: The correct answer is B: Abdomen. The spleen, a large lymphatic organ, is located in the upper left part of the abdomen, under the ribcage and above the stomach. It plays a crucial role in filtering and purifying the blood, removing old or damaged blood cells, and storing blood. The spleen is not located in the chest, pelvis, or head and neck. Understanding the anatomical location of organs is essential for medical professionals to accurately diagnose and treat patients.
6. What property of a substance remains constant regardless of changes in its location in the universe?
- A. Mass
- B. Weight
- C. Density
- D. Volume
Correct answer: a
Rationale: Mass is an intrinsic property of matter and remains constant regardless of its location.
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