ATI TEAS 7
TEAS Test Practice Math
1. A book has a width of 5 decimeters. What is the width of the book in centimeters?
- A. 0.25 centimeters
- B. 25 centimeters
- C. 250 centimeters
- D. 0.025 centimeters
Correct answer: B
Rationale: To convert decimeters to centimeters, you need to multiply by 10 since 1 decimeter is equal to 10 centimeters. Therefore, to find the width of the book in centimeters, multiply 5 decimeters by 10: 5 decimeters * 10 = 50 centimeters. This means the width of the book is 50 centimeters, making choice B, "25 centimeters," the correct answer. Choices A, C, and D are incorrect because they do not correctly convert decimeters to centimeters.
2. Which of the following statements would make the best conclusion to an essay about civil rights activist Rosa Parks?
- A. Rosa Parks refused to give up her bus seat, leading to her arrest.
- B. Rosa Parks was a hero to many, symbolizing the power of ordinary people in bringing about change.
- C. Rosa Parks died in 2005 at the age of 92.
- D. Rosa Parks' actions sparked the Montgomery Bus Boycott, a pivotal event in the Civil Rights Movement.
Correct answer: B
Rationale: The best conclusion to an essay about civil rights activist Rosa Parks should reflect her significance and impact. Choice A, while true, focuses on a specific event rather than summarizing her broader influence. Choice C, though factual, is not a strong conclusion as it does not capture the essence of her legacy. Choice D, although related to her actions, is not as encompassing as Choice B. Option B is the most suitable conclusion as it highlights Rosa Parks' heroism, emphasizing how she inspired change and symbolized the power of ordinary individuals in making a difference.
3. Which blood type is known as the universal donor?
- A. Type A
- B. Type B
- C. Type AB
- D. Type O
Correct answer: D
Rationale: Type O blood is known as the universal donor because it lacks antigens on the surface of red blood cells. This characteristic makes it compatible with all blood types during transfusions. Type A, Type B, and Type AB blood types have specific antigens that can cause adverse reactions if transfused to an incompatible recipient.
4. Long-term potentiation (LTP) is a process in the brain associated with:
- A. Sensory perception
- B. Memory formation
- C. Muscle control
- D. Emotional regulation
Correct answer: B
Rationale: Long-term potentiation (LTP) is a process in the brain strongly associated with memory formation. It involves the strengthening of synapses between neurons, which is crucial for learning and memory. Sensory perception, muscle control, and emotional regulation are not directly related to LTP. Sensory perception involves the detection and processing of sensory information, muscle control pertains to movement coordination, and emotional regulation refers to the management of emotions, none of which are primarily influenced by LTP.
5. Which type of cells make up the myelin sheaths?
- A. Glial cells.
- B. Dendrites.
- C. Melanocytes.
- D. Squamous cells.
Correct answer: A
Rationale: The correct answer is A: Glial cells. Glial cells are responsible for producing the myelin sheaths that surround and insulate nerve cells in the central and peripheral nervous systems. Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system are types of glial cells that form the myelin sheaths. Choice B, dendrites, are not involved in forming myelin sheaths; they are extensions of neurons that receive signals. Choice C, melanocytes, are cells responsible for producing melanin, not myelin. Choice D, squamous cells, are flat epithelial cells found in various tissues but are not involved in myelin sheath formation.
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