which of the following can the reader infer about the authors point of view when they state the work lamarr and antheil did creating this frequency ho
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ATI TEAS 7

TEAS Reading Practice Questions

1. Which of the following can the reader infer about the author's point of view when they state: 'the work Lamarr and Antheil did creating this frequency-hopping system led to many technologies that are often taken for granted today?'

Correct answer: A

Rationale: The author highlights the significance of the contributions made by lesser-known inventors like Lamarr and Antheil.

2. What type of bond forms between elements when they share electrons?

Correct answer: A

Rationale: The correct answer is A: Covalent bond. In a covalent bond, atoms share electrons, leading to the creation of a strong attraction that holds them together. This type of bond is characterized by the sharing of electron pairs between atoms, resulting in the formation of molecules. Choice B, Ionic bond, involves the transfer of electrons from one atom to another, creating charged ions that attract each other. Choice C, Metallic bond, refers to the sharing of electrons among a sea of delocalized electrons in a metal structure. Choice D, Hydrogen bond, is a weak electrostatic attraction between a hydrogen atom and an electronegative atom like oxygen or nitrogen, not involving the sharing of electrons.

3. A researcher is studying the response of bacteria to a certain chemical. In three experiments, the bacteria swim towards the chemical, and in one experiment, the bacteria swim away from it. What would be the most appropriate next step for the researcher?

Correct answer: C

Rationale: Repeating the experiment multiple times and applying statistical analysis would help ensure the results are reliable. By doing so, the researcher can validate the observed trends and determine the significance of the bacteria's response to the chemical. This approach would enhance the credibility of the findings and allow for more robust conclusions to be drawn. Reporting only the first three experiments (Choice A) would overlook critical data that could provide a comprehensive understanding of the bacteria's response. Refraining from making any conclusions (Choice B) would not utilize the available data effectively. Adding a new chemical in a repeated experiment (Choice D) would deviate from focusing on analyzing the response to the original chemical, introducing unnecessary variables.

4. What is the primary function of the liver in the digestive system?

Correct answer: B

Rationale: The liver's main function in the digestive system is to produce bile. Bile helps in the digestion and absorption of fats by emulsifying them, breaking down large fat globules into smaller droplets that can be acted upon by digestive enzymes. Choices A, C, and D are incorrect because the liver's primary role in the digestive system is not to absorb water, store glucose, or regulate metabolism. While the liver does have roles in metabolism and glucose regulation, its key function in digestion is bile production.

5. Which vitamin plays a vital role in muscle function and helps prevent muscle weakness and fatigue?

Correct answer: C

Rationale: Vitamin D is the correct answer as it plays a crucial role in muscle function by helping prevent muscle weakness and fatigue. It is essential for maintaining muscle strength and function, as well as supporting overall bone health. Vitamin D deficiency can lead to muscle weakness and fatigue, emphasizing its significance for muscle health. Vitamin A does not directly impact muscle function in the same way as Vitamin D. Although Vitamin B12 is important for neurological function and red blood cell production, it is not primarily known for its role in muscle function. Vitamin E is more commonly associated with its antioxidant properties and its role in protecting cells from damage, but it is not specifically linked to muscle function and preventing muscle weakness and fatigue.

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