ATI TEAS 7
English Grammar
1. Which word has the same root as "unscathed"?
- A. category
- B. scar
- C. scratch
- D. category
Correct answer: C
Rationale: Both "unscathed" and "scratch" relate to damage or physical marks.
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. Define "friction" in terms of opposing motion.
- A. A force that increases motion
- B. A force that accelerates motion
- C. A force that opposes motion
- D. A force that creates motion
Correct answer: c
Rationale: Friction acts opposite to the direction of motion, resisting or slowing down the movement of objects.
4. What is the name of the master gland that regulates the function of many other endocrine glands?
- A. Thyroid gland
- B. Pituitary gland
- C. Hypothalamus
- D. Adrenal gland
Correct answer: B
Rationale: The correct answer is B: Pituitary gland. The pituitary gland is often referred to as the 'master gland' because it plays a crucial role in regulating the function of many other endocrine glands in the body. It secretes hormones that control various processes such as growth, metabolism, and reproduction. The thyroid gland (A) primarily regulates metabolism, the hypothalamus (C) helps control the pituitary gland, and the adrenal gland (D) produces hormones involved in stress response. Therefore, the pituitary gland is the main gland responsible for coordinating the activities of other endocrine glands, earning it the title of the master gland.
5. What part of speech is the underlined word in the sentence "The students eagerly awaited the results"?
- A. Verb
- B. Noun
- C. Adjective
- D. Adverb
Correct answer: B
Rationale: Option B identifies "results" as the direct object of the verb "awaited," making it a noun.
6. Which muscular pouch in the upper left abdomen stores food after swallowing and begins mechanical and chemical digestion?
- A. Esophagus
- B. Stomach
- C. Small intestine
- D. Large intestine
Correct answer: B
Rationale: The correct answer is B: Stomach. The stomach is the muscular pouch in the upper left abdomen that stores food after swallowing. It is responsible for beginning both mechanical and chemical digestion processes. Once food enters the stomach, it is mixed with gastric juices and enzymes that break down the food into smaller particles. The stomach also contracts and relaxes to further mix the food with digestive juices. The esophagus is a tube that connects the throat to the stomach and does not store food or participate in digestion. The small intestine and large intestine are parts of the digestive system, but they are not muscular pouches in the upper left abdomen responsible for storing and digesting food.
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