ATI TEAS 7
English Grammar
1. Which word choice best fits the blank: "Her research paper was riddled with _____ errors."
- A. flagrant (obvious and inexcusable)
- B. cursory (superficial)
- C. innocuous (harmless)
- D. meticulous (carefully detailed)
Correct answer: A
Rationale: Option A "flagrant," emphasizes the severity and noticeable nature of the errors.
2. What are the three main types of RNA?
- A. Messenger RNA (mRNA), ribosomal RNA (rRNA), and transfer RNA (tRNA)
- B. DNA, RNA, and protein
- C. Adenine, guanine, cytosine, and thymine
- D. Deoxyribose, ribose, and phosphate
Correct answer: A
Rationale: Rationale: - Messenger RNA (mRNA) carries genetic information from the DNA in the nucleus to the ribosomes in the cytoplasm for protein synthesis. - Ribosomal RNA (rRNA) is a structural component of ribosomes, which are the cellular machinery responsible for protein synthesis. - Transfer RNA (tRNA) is responsible for bringing amino acids to the ribosome during protein synthesis. Options B, C, and D are incorrect: - Option B lists DNA, RNA, and protein, which are biomolecules but not the three main types of RNA. - Option C lists nitrogenous bases (adenine, guanine, cytosine, and thymine) found in DNA, not types of RNA. - Option D lists components of nucleotides (deoxyribose, ribose, and phosphate), which are building blocks of nucleic
3. Classifications of human tissues exclude:
- A. Epithelial tissue
- B. Nervous tissue
- C. Adipose tissue (a specialized form of connective tissue)
- D. Bony tissue
Correct answer: D
Rationale: The correct answer is D: 'Bony tissue.' Classifications of human tissues typically include four main types: epithelial, connective, muscular, and nervous tissue. Bony tissue, also known as osseous tissue, is a specialized form of connective tissue that forms bones in the skeletal system. While bony tissue is an essential component of the human body, it is not typically categorized separately as a distinct tissue type in general tissue classifications. Therefore, it is the exception from the list provided in the question, making it the correct answer.
4. What is the pH of a solution with a hydrogen ion concentration of \(1 \times 10^{-9}\) M?
- A. 5
- B. 7
- C. 9
- D. 11
Correct answer: c
Rationale: The pH is calculated as the negative logarithm (base 10) of the hydrogen ion concentration. In this case, \(-\log(1 \times 10^{-9}) = 9\).
5. Which vitamin is known to play a vital role in immune function?
- A. Vitamin A
- B. Vitamin B12
- C. Vitamin D
- D. Vitamin E
Correct answer: D
Rationale: The correct answer is Vitamin D. Vitamin D is known to play a vital role in immune function as it helps regulate the immune system's response to infections and reduces inflammation. It is involved in the production of antimicrobial peptides that help fight off pathogens. Vitamin A is important for vision and skin health, Vitamin B12 is essential for red blood cell formation and neurological function, and Vitamin E is an antioxidant that protects cells from damage. However, Vitamin D specifically stands out for its crucial role in supporting the immune system, making it the correct answer in this context.
6. Which force causes an object to move in a circular path?
- A. Tension force
- B. Frictional force
- C. Centripetal force
- D. Gravitational force
Correct answer: c
Rationale: Centripetal force is the force that acts towards the center of a circular path, keeping an object in circular motion.
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