which of the following is the plural form of the word chief
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ATI TEAS 7

ATI TEAS English Practice Test

1. Which of the following is the plural form of the word 'chief'?

Correct answer: A

Rationale: The correct answer is 'chiefs.' 'Chief' follows the standard rule for forming the plural by adding an 's' at the end. Choices B, C, and D are incorrect as they do not follow the standard pluralization rule for the word 'chief.' 'Chieves,' 'chievs,' and 'chiefes' are not valid plural forms of 'chief.'

2. If the word antibacterial describes a substance that kills bacteria, you can infer that the prefix anti-means:

Correct answer: B

Rationale: The correct answer is 'B: Against.' The prefix 'anti-' means 'against,' as seen in the word 'antibacterial,' which denotes something that acts against bacteria. Choice A, 'Original to,' is incorrect as the prefix 'anti-' does not imply 'original to.' Choice C, 'Before,' is incorrect as 'anti-' does not signify 'before' but rather 'against.' Choice D, 'Under,' is also incorrect as 'anti-' does not convey the idea of being 'under' but rather 'against' in this context.

3. Which part of the brain is responsible for processing vision?

Correct answer: A

Rationale: The occipital lobe is the part of the brain responsible for processing visual information. Located at the back of the brain, the occipital lobe contains the primary visual cortex, which plays a crucial role in interpreting visual stimuli received from the eyes. The frontal lobe is primarily involved in higher cognitive functions, decision-making, and motor control, not vision processing. The temporal lobe is responsible for auditory processing, memory, and emotion, not vision. The parietal lobe is involved in sensory integration, spatial awareness, and perception of stimuli, but not specifically for visual processing.

4. Certain medications can suppress the immune system to treat autoimmune diseases or prevent organ rejection after transplants. What is a potential risk associated with immunosuppressive drugs?

Correct answer: B

Rationale: Immunosuppressive drugs work by suppressing the immune system's activity, which can increase the risk of infections as the body's ability to fight off pathogens is compromised. While allergies can be a side effect of some medications, the primary concern with immunosuppressive drugs is the increased susceptibility to infections. Therefore, the correct answer is B, increased susceptibility to infections. Choice A, 'Increased risk of developing allergies,' is incorrect as the primary risk associated with immunosuppressive drugs is not related to allergies. Choice C, 'Both A and B,' is incorrect as the main concern is the increased susceptibility to infections rather than developing allergies. Choice D, 'Neither A nor B,' is incorrect as there is a known risk of increased susceptibility to infections when using immunosuppressive drugs.

5. How do spindle fiber dynamics and microtubule attachment regulate cell cycle checkpoints?

Correct answer: D

Rationale: A) Misaligned chromosomes fail to attach to microtubules, triggering a delay in anaphase onset: Proper attachment of chromosomes to spindle fibers is essential for accurate segregation of genetic material during cell division. Misaligned chromosomes that fail to attach to microtubules can lead to delays in anaphase onset, allowing the cell to correct errors before proceeding with division. B) The presence of unattached kinetochores on the centromeres sends a signal to pause cell cycle progression: Kinetochores at the centromeres help attach chromosomes to spindle fibers. When kinetochores are unattached or improperly attached to microtubules, they signal the cell to pause cell cycle progression, ensuring proper chromosome alignment before division. C) Microtubule instability and rapid depolymerization lead to the activation of checkpoint proteins: While microtubule dynamics are crucial for cell division, microtubule instability and rapid depolymerization can disrupt chromosome attachment. However, this mechanism is not directly related to the activation of cell cycle checkpoint proteins, making this statement incorrect. Therefore, choices A and B accurately describe how spindle fiber dynamics and microtubule attachment regulate cell cycle checkpoints, making option D the correct answer.

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