ATI TEAS 7
Mathematics
1. A kite has a top base of 20cm, a bottom base of 30cm, and two equal side lengths of 15cm. What is its perimeter?
- A. 55cm
- B. 65cm
- C. 70cm
- D. 80cm
Correct answer: C
Rationale: Add the lengths of all sides: perimeter = top base + bottom base + 2 * side length = 20cm + 30cm + 2 * 15cm = 70cm.
2. What is the main argument presented in favor of UBI?
- A. It would boost the economy by increasing consumer spending and stimulating businesses.
- B. It would guarantee financial stability and improve mental health for all citizens.
- C. It would address ethical concerns about income inequality and promote social justice.
- D. It would decrease crime rates and improve public safety by reducing poverty and desperation.
Correct answer: C
Rationale: The passage emphasizes UBI's potential to alleviate poverty and reduce inequality, aligning with C.
3. Coronary arteries are responsible for:
- A. Delivering oxygenated blood throughout the body.
- B. Supplying oxygenated blood to the heart muscle itself.
- C. Carrying deoxygenated blood back to the heart.
- D. Regulating blood pressure through vasoconstriction and vasodilation.
Correct answer: B
Rationale: The correct answer is B: 'Supplying oxygenated blood to the heart muscle itself.' Coronary arteries are specialized blood vessels that branch off the aorta and provide oxygenated blood to the heart muscle. This is crucial for the heart to function properly and maintain its own blood supply separate from the systemic circulation. The other options are incorrect because delivering oxygenated blood throughout the body is the role of the systemic circulation and not specific to coronary arteries. Carrying deoxygenated blood back to the heart is the function of veins, while regulating blood pressure through vasoconstriction and vasodilation is primarily controlled by arteries in general, not just the coronary arteries.
4. What is the term for the distance between the center of a lens or curved mirror and its focal point?
- A. Aperture
- B. Focal length
- C. Refractive index
- D. Lens thickness
Correct answer:
Rationale: The focal length of a lens or curved mirror is the distance between its center and the focal point, where parallel light rays converge or appear to diverge from.
5. What type of particle carries no charge and mediates the strong nuclear force between protons and neutrons?
- A. Electron
- B. Photon
- C. Gluon
- D. Neutrino
Correct answer: C
Rationale: Gluons are the force carriers of the strong nuclear force, holding protons and neutrons together within the nucleus.
6. Hematopoietic tissue is responsible for
- A. Building and repairing bone
- B. Supporting and connecting tissues
- C. Production of blood cells
- D. Contracting for movement
Correct answer: C
Rationale: Hematopoietic tissue is responsible for the production of blood cells. This specialized tissue is found in the bone marrow and is crucial for the continuous generation of red blood cells, white blood cells, and platelets. These blood cells play essential roles in oxygen transport, immune defense, and blood clotting. Building and repairing bone (option A) is primarily the function of osteoblasts and osteoclasts in bone tissue. Supporting and connecting tissues (option B) is the role of connective tissues like tendons and ligaments. Contracting for movement (option D) is the function of muscle tissue. Therefore, the correct answer is C, as hematopoietic tissue specifically focuses on blood cell production.
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