ATI TEAS 7
Biology
1. What is the final stage of both mitosis and meiosis?
- A. Interphase
 - B. Telophase
 - C. Cytokinesis
 - D. G1 phase
 
Correct answer: B
Rationale: Rationale: - Interphase (option A) is not the final stage of mitosis or meiosis; it is the phase before cell division where the cell prepares for division by growing and replicating its DNA. - Telophase (option B) is the final stage of both mitosis and meiosis. During telophase, the separated chromosomes reach opposite poles of the cell, the nuclear membrane reforms around each set of chromosomes, and the chromosomes begin to decondense. - Cytokinesis (option C) is the process of dividing the cytoplasm to form two separate daughter cells. While it occurs after telophase, it is not considered the final stage of mitosis or meiosis. - G1 phase (option D) is the first gap phase in the cell cycle, occurring before DNA replication. It is not the final stage of mitosis or meiosis.
2. Damage to which part of the brain can lead to difficulty with language and speech?
- A. Broca's area
 - B. Wernicke's area
 - C. Occipital lobe
 - D. Cerebellum
 
Correct answer: A
Rationale: The correct answer is A: Broca's area. Broca's area, located in the frontal lobe of the brain, is crucial for language production. Damage to Broca's area can result in expressive aphasia, where individuals have difficulty speaking fluently and forming coherent sentences. Wernicke's area, located in the temporal lobe, is responsible for understanding and interpreting language. Damage to Wernicke's area can lead to receptive aphasia, where individuals have difficulty understanding language. The occipital lobe is primarily responsible for processing visual information, while the cerebellum is involved in motor coordination and balance, not language and speech.
3. Which of the following statements about fungi is FALSE?
- A. They can be unicellular or multicellular
 - B. They are all parasitic and cause disease in humans
 - C. They play a vital role in decomposition and nutrient cycling
 - D. Some are used in food production, like mushrooms
 
Correct answer: B
Rationale: Rationale: A) This statement is true. Fungi can exist in both unicellular (yeast) and multicellular (molds and mushrooms) forms. B) This statement is false. While some fungi can be parasitic and cause diseases in humans, not all fungi exhibit this behavior. Many fungi are beneficial and play essential roles in ecosystems. C) This statement is true. Fungi are crucial for decomposition and nutrient cycling in ecosystems. They break down organic matter and recycle nutrients back into the environment. D) This statement is true. Some fungi, like mushrooms, are used in food production and are consumed by humans.
4. What is the meaning of the phrase "to be on the same page"?
- A. To be physically close
 - B. To agree or understand each other
 - C. To be sharing the same goal
 - D. To be facing the same direction
 
Correct answer: B
Rationale: The phrase means to be in agreement or share the same understanding.
5. What is the main consequence of a malfunctioning thyroid gland that produces abnormally low levels of thyroid hormones?
- A. Increased energy levels and weight loss
 - B. Decreased heart rate and body temperature
 - C. Enhanced muscle growth and bone development
 - D. Faster metabolism and heightened alertness
 
Correct answer: B
Rationale: The correct answer is B: 'Decreased heart rate and body temperature.' When the thyroid gland produces abnormally low levels of thyroid hormones (hypothyroidism), it can lead to a decrease in metabolic rate, resulting in symptoms such as fatigue, weight gain, and feeling cold. A lower metabolic rate can slow down heart rate and decrease body temperature. The other options (A, C, D) are not characteristic of hypothyroidism. Increased energy levels and weight loss, enhanced muscle growth and bone development, and faster metabolism and heightened alertness are more commonly associated with hyperthyroidism, where the thyroid gland produces excess hormones.
6. A triangular scarf has sides measuring 10cm, 12cm, and 15cm. What is its perimeter?
- A. 27cm
 - B. 32cm
 - C. 37cm
 - D. 45cm
 
Correct answer: C
Rationale: Simply add the lengths of all sides: perimeter = side1 + side2 + side3 = 10cm + 12cm + 15cm = 37cm.
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