ATI TEAS 7
TEAS Practice Test Science
1. Which of the following lobes of the brain is responsible for processing auditory sounds?
- A. Frontal
- B. Occipital
- C. Parietal
- D. Temporal
Correct answer: D
Rationale: The correct answer is D: Temporal. The temporal lobe of the brain is responsible for processing auditory sounds. It is also involved in memory and language functions. Choice A, Frontal lobe, is primarily associated with functions such as decision-making, problem-solving, and planning. Choice B, Occipital lobe, is responsible for processing visual information. Choice C, Parietal lobe, is involved in processing sensory information like touch, temperature, and pressure. Therefore, the temporal lobe is the specific lobe responsible for processing auditory information, making it the correct answer.
2. What is the structure that attaches to each chromosome during mitosis?
- A. Centromere
- B. Telomere
- C. Spindle apparatus
- D. Nucleolus
Correct answer: A
Rationale: The correct answer is the centromere. It is the structure that attaches to each chromosome during mitosis. The centromere serves as the attachment point for spindle fibers during cell division, ensuring proper distribution of chromosomes to daughter cells. Telomeres are found at the ends of chromosomes, providing protection and stability. The spindle apparatus is responsible for separating chromosomes during cell division. The nucleolus, located within the nucleus, is involved in ribosomal RNA synthesis and not in chromosome attachment during mitosis.
3. Which of the following factors does not strengthen a scientific argument?
- A. Lack of bias
- B. Extensive use of qualitative research and data
- C. Able to be reproduced and repeated by others
- D. Withstands the test of time
Correct answer: B
Rationale: The correct answer is B. While qualitative data can provide valuable insights, it does not inherently strengthen a scientific argument to the same extent as quantitative data. Quantitative data is generally more precise, measurable, and easier to verify, making it a stronger basis for scientific arguments. Choices A, C, and D all contribute to strengthening a scientific argument. Lack of bias ensures objectivity and reliability, reproducibility by others validates the findings, and standing the test of time indicates the enduring validity and reliability of the argument.
4. How can you differentiate between a bacterial and viral infection based solely on symptoms?
- A. It's impossible to differentiate solely based on symptoms.
- B. Bacterial infections typically respond well to antibiotics, while viral infections don't.
- C. Bacterial infections usually cause fever, while viral infections don't.
- D. Viral infections often present with respiratory symptoms like a cough, while bacterial infections don't.
Correct answer: A
Rationale: It is impossible to differentiate between a bacterial and viral infection based solely on symptoms because many symptoms overlap between the two types of infections. Symptoms like fever, cough, and others can be present in both bacterial and viral infections. Additional diagnostic tests such as cultures or blood tests are often needed to determine the cause of the infection accurately. Relying only on symptoms can lead to misdiagnosis and inappropriate treatment. Choices B, C, and D are incorrect because they oversimplify the differentiation process and do not encompass the complexity of symptoms associated with bacterial and viral infections. While it is true that bacterial infections may respond to antibiotics and some differences in symptoms may be observed between bacterial and viral infections, these are not definitive indicators without proper diagnostic tests.
5. Which of the following best defines the term amphoteric?
- A. A substance that conducts electricity due to ionization when dissolved in a solvent
- B. A substance that can act as an acid or a base depending on the properties of the solute
- C. A substance that, according to the Brønsted-Lowry Acid-Base Theory, is a proton-donor
- D. A substance that donates its proton and forms its conjugate base in a neutralization reaction
Correct answer: B
Rationale: An amphoteric substance can act as both an acid or a base depending on the environment. It can donate a proton (act as an acid) or accept a proton (act as a base), showing versatility in its behavior. Choice A is incorrect as it describes an electrolyte rather than an amphoteric substance. Choice C is incorrect as it defines an acid based on the Brønsted-Lowry Acid-Base Theory. Choice D is incorrect as it specifically refers to a substance donating a proton in a neutralization reaction, not capturing the dual behavior of an amphoteric substance.
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