ATI TEAS 7
English Grammar
1. Which verb tense is most appropriate for this sentence: "By next week, _____ finished the project."
- A. I will be finishing
- B. I will have finished
- C. I am finishing
- D. I would finish
Correct answer: B
Rationale: Option B expresses a future event completed before another future point in time (next week).
2. Which of the following is a redox reaction?
- A. 2H2 + O2 → 2H2O
- B. Zn + 2HCl → ZnCl2 + H2
- C. 2NaCl → 2Na + Cl2
- D. CH4 + 2O2 → CO2 + 2H2O
Correct answer: b
Rationale: The oxidation state of Zn changes from 0 to +2, indicating a redox reaction.
3. T cells in the immune system can be categorized into different types. What type of T cell directly kills infected body cells?
- A. Helper T cells
- B. Cytotoxic T cells
- C. Regulatory T cells
- D. Memory T cells
Correct answer: B
Rationale: Cytotoxic T cells directly kill infected body cells. These T cells recognize and destroy cells that are infected with viruses or other pathogens. They are crucial for eliminating threats within the body. Helper T cells, on the other hand, assist in coordinating the immune response by activating other immune cells. Regulatory T cells help maintain immune tolerance and prevent autoimmune reactions. Memory T cells are responsible for 'remembering' specific pathogens to mount a faster and stronger immune response upon re-exposure. Therefore, cytotoxic T cells are the correct answer as they directly target and kill infected cells.
4. Emerging infectious diseases (EIDs) pose a significant public health threat because they are:
- A. Well-understood by medical professionals
- B. Easily treatable with existing antibiotics
- C. New, rapidly evolving, and can spread quickly
- D. Primarily affect animals and not humans
Correct answer: C
Rationale: Rationale: Emerging infectious diseases (EIDs) are a significant public health threat because they are characterized by being new or newly identified diseases that are rapidly evolving. These diseases can spread quickly within populations due to factors such as globalization, travel, urbanization, and changes in climate. EIDs often present challenges to medical professionals as they may not be well-understood initially, making it difficult to develop effective treatments or preventive measures. While some EIDs can be treatable with existing antibiotics, the rapid evolution of these diseases can lead to the development of drug resistance, further complicating treatment efforts. Additionally, EIDs are not limited to affecting animals; they can also have serious implications for human health and well-being.
5. Identify the appositive in the following sentence: "My favorite author, Agatha Christie, wrote many detective novels."
- A. favorite
- B. Agatha Christie
- C. many
- D. novels
Correct answer: B
Rationale: An appositive renames or clarifies the noun or pronoun preceding it.
6. Lymph nodes, found along lymphatic vessels, are important for:
- A. Storing blood
- B. Producing antibodies
- C. Filtering lymph and trapping harmful substances
- D. All of the above
Correct answer: D
Rationale: The correct answer is D, 'All of the above.' Lymph nodes are important for various functions in the immune system. They filter lymph, trapping harmful substances like bacteria and viruses, which helps in preventing infections. Lymph nodes also play a crucial role in producing antibodies, which are essential for fighting off pathogens. Additionally, lymph nodes do not store blood; that is the function of the spleen. Therefore, the correct answer is D because lymph nodes perform all the mentioned functions in supporting the body's immune response.
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