ATI TEAS 7
Chemistry
1. Which element is a good conductor of electricity but is not a metal?
- A. Copper
- B. Silver
- C. Graphite
- D. Gold
Correct answer: C
Rationale: While metals are known for their conductivity, some non-metals like graphite also exhibit this property due to their unique electronic structure
2. What phenomenon explains the bending of light as it passes around an obstacle or through an aperture?
- A. Refraction
- B. Reflection
- C. Diffraction
- D. Dispersion
Correct answer: c
Rationale: Diffraction refers to the bending of light waves as they encounter an obstacle or pass through an aperture, causing the light to spread out.
3. Which part of the brain plays a crucial role in the regulation of balance, coordination, and posture?
- A. Thalamus
- B. Cerebrum
- C. Cerebellum
- D. Hypothalamus
Correct answer: c
Rationale: The correct answer is the cerebellum (Option C). The cerebellum is responsible for the regulation of balance, coordination, and posture in the body. It receives information from sensory systems, the spinal cord, and other parts of the brain to coordinate voluntary movements. The thalamus (Option A) is involved in relaying sensory and motor signals to the cerebral cortex, but not specifically in balance and coordination. The cerebrum (Option B) is the largest part of the brain and is responsible for higher brain functions such as thinking and problem-solving. The hypothalamus (Option D) plays a role in regulating basic functions like hunger, thirst, and body temperature, but not balance, coordination, and posture. Therefore, the cerebellum is the key area of the brain involved in these specific functions.
4. What is the name of the growth plates in children's bones where new bone tissue is formed?
- A. Epiphyses
- B. Diaphysis
- C. Periosteum
- D. Medullary cavity
Correct answer: A
Rationale: The correct answer is A: Epiphyses. Epiphyses are the growth plates located at the ends of children's long bones where new bone tissue is formed. These plates are responsible for longitudinal bone growth until they close during adolescence. The diaphysis (B) is the shaft or main portion of a long bone, while the periosteum (C) is the outer membrane covering the bone. The medullary cavity (D) is the central cavity of bone shafts where bone marrow is stored. Understanding the terminology for different parts of bones is essential for comprehending bone growth and development in children.
5. When choosing a color palette for a presentation, it's best to:
- A. Use as many vibrant colors as possible to grab attention.
- B. Stick to a monochrome palette for a minimalist look
- C. Select complementary colors that create harmony and contrast.
- D. Use the same colors as your company logo for consistency.
Correct answer: C
Rationale: While both branding consistency and minimalism have their place, presentations benefit from utilizing complementary colors for visual interest and clarity.
6. Her former manager demonstrated passion for serving her staff rather than being served. She
- A. Transformational leader
- B. Transactional leader
- C. Servant leader
- D. Charismatic leader
Correct answer: C
Rationale: The correct answer is C: 'Servant leader.' A servant leader prioritizes the needs of their team members, focusing on serving them rather than expecting to be served. This is evident in the scenario where the former manager showed passion for serving her staff. Servant leaders are known for their humility, empathy, and commitment to the growth and well-being of their team. This leadership approach fosters a positive work environment, builds trust, and promotes collaboration among team members.
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