ATI TEAS 7
English Grammar
1. Identify the pronoun in the following sentence: She quickly finished her homework before dinner.
- A. quickly
- B. finished
- C. her
- D. before
Correct answer: C
Rationale: Pronouns take the place of nouns. "Her" replaces a specific female person's name.
2. How can the periodic table be used to predict the charge of an ion formed by an element?
- A. Look for elements with similar atomic weights.
- B. Identify the group number, which corresponds to the typical ionic charge.
- C. Calculate the difference between protons and electrons.
- D. Analyze the element's position within the period.
Correct answer: B
Rationale: Identify the group number, which corresponds to the typical ionic charge. Elements tend to gain or lose electrons to achieve a stable electron configuration like the noble gas group. Their group number often indicates the number of electrons gained/lost and the resulting ionic charge.
3. What is the term for the transfer of energy through a food chain?
- A. Photosynthesis
- B. Cellular respiration
- C. Transpiration
- D. Trophic cascade
Correct answer: D
Rationale: Rationale: A) Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll. B) Cellular respiration is the process by which cells break down glucose and other molecules to produce energy in the form of ATP. C) Transpiration is the process by which water is absorbed by plant roots, moves through the plant, and is released as vapor through pores in the leaves. D) Trophic cascade refers to the transfer of energy through a food chain or food web, where the impact of a predator on its prey cascades down the food chain, affecting multiple trophic levels. This term describes the indirect effects that predators can have on lower trophic levels, influencing the entire ecosystem.
4. How does an increase in temperature generally affect the solubility of most solid solutes in a liquid solvent?
- A. It increases solubility
- B. It decreases solubility
- C. It has no effect on solubility
- D. It depends on the nature of the solute
Correct answer: a
Rationale: In general, increasing temperature tends to increase the solubility of most solid solutes in liquid solvents. The other choices do not accurately describe the effect of temperature on solubility.
5. What is the technical term for the involuntary muscular contractions that move food through the digestive tract?
- A. Segmentation
- B. Peristalsis
- C. Chylification
- D. Emulsification
Correct answer: B
Rationale: The correct answer is B: Peristalsis. Peristalsis is the coordinated, rhythmic contraction and relaxation of muscles in the digestive tract that propels food forward. This process helps move food through the esophagus, stomach, and intestines for digestion and absorption of nutrients. Segmentation (option A) is a different process involving alternating contractions in the intestines to mix food with digestive juices. Chylification (option C) is not a recognized term in digestion. Emulsification (option D) is the process of breaking down fats into smaller droplets for easier digestion, typically occurring in the small intestine with the help of bile. Therefore, peristalsis is the specific term for the involuntary muscular contractions responsible for moving food through the digestive tract.
6. What is the common name for the compound CH₃COOH?
- A. Acetic acid
- B. Formic acid
- C. Butyric acid
- D. Propionic acid
Correct answer: A
Rationale: CH₃COOH is commonly known as acetic acid. The other choices represent different organic acids.
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