ATI TEAS 7
Mathematics
1. A doctor prescribes 150 milligrams of medication to be taken orally every 12 hours. How many grams should the patient take per dose?
- A. 0.015 grams
- B. 0.15 grams
- C. 1.5 grams
- D. 15 grams
Correct answer: A
Rationale: 1 gram is equal to 1000 milligrams. Divide the dosage in milligrams (150 mg) by the conversion factor (1000 mg/gram) to find the dosage in grams: 150 mg / 1000 mg/gram = 0.15 grams.
2. After discussing the possible effects of the low patient satisfaction rate, the staff started to list
- A. Collaboration
- B. Majority rule
- C. Dominance
- D. Compromise
Correct answer: B
Rationale: The correct answer is B: 'Majority rule.' In this scenario, the staff is likely listing potential solutions or actions based on the opinion or agreement of the majority. Collaboration (A) involves working together towards a common goal, while Dominance (C) implies one person or group having control. Compromise (D) suggests finding a middle ground between different viewpoints. Majority rule best fits the situation where a decision or list of actions is being determined by what most people agree on, which is a common approach in group decision-making processes.
3. How many moles of oxygen are required to completely react with 5 moles of propane (C3H8) in the combustion reaction?
- A. 5 moles
- B. 10 moles
- C. 15 moles
- D. 20 moles
Correct answer: b
Rationale: The balanced equation is C3H8 + 5O2 → 3CO2 + 4H2O, indicating a 5:10 ratio between moles of oxygen and moles of propane.
4. Identify the reflexive pronoun in the sentence: "She prepared herself for the presentation."
- A. herself
- B. she
- C. presentation
- D. for
Correct answer: A
Rationale: "Herself" refers back to the subject "she," making it a reflexive pronoun.
5. Which hormone, produced by the pituitary gland, stimulates the production of milk in mammary glands during breastfeeding?
- A. Growth hormone (GH)
- B. Thyroid-stimulating hormone (TSH)
- C. Prolactin
- D. Follicle-stimulating hormone (FSH)
Correct answer: c
Rationale: The correct answer is C: Prolactin. Prolactin is the hormone produced by the pituitary gland that stimulates the production of milk in the mammary glands during breastfeeding. It plays a crucial role in lactation by promoting the growth and development of the mammary glands and initiating the production of milk. Growth hormone (GH) regulates growth and metabolism, not milk production. Thyroid-stimulating hormone (TSH) stimulates the thyroid gland, not mammary glands. Follicle-stimulating hormone (FSH) is involved in reproductive processes, not milk production. Therefore, prolactin is the hormone directly responsible for stimulating milk production during breastfeeding.
6. What is the periodic table?
- A. A table of elements that are arranged in order of increasing atomic number.
- B. A table of elements that are arranged in order of increasing atomic mass.
- C. A table of elements that are arranged in order of their reactivity.
- D. A table of elements that are arranged in order of their color.
Correct answer: B
Rationale: The periodic table is a tabular arrangement of the chemical elements, organized on the basis of their atomic number, electron configurations, and recurring chemical properties. Elements are arranged in rows (periods) and columns (groups) with similar properties. The elements are listed in order of increasing atomic number, which is the number of protons in the nucleus of an atom. This arrangement reveals a periodic repetition of chemical properties, which is the basis of the periodic law.
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