ATI TEAS 7
English Grammar
1. Which sentence uses the semicolon correctly?
- A. The play was long; however, it was very entertaining.
 - B. The guests arrived; Sarah greeted them at the door.
 - C. John likes apples; Mary prefers oranges.
 - D. He was tired; he went to bed early.
 
Correct answer: B
Rationale: Option B joins two independent clauses related to the same event.
2. When you push a book across a table, the book experiences an equal and opposite force from the table. Why doesn't the table move as well?
- A. The table is much heavier than the book.
 - B. The force on the book acts in a different direction.
 - C. The table has a much larger surface area, distributing the force over a wider area
 - D. All of the above
 
Correct answer: C
Rationale: While Newton's third law states that for every action, there is an equal and opposite reaction, the unbalanced force acting on each object depends on their respective masses. The larger mass of the table (compared to the book) experiences a smaller acceleration, making its movement almost imperceptible.
3. A nurse administers 150mg of medication every 4 hours. How many milligrams will the patient receive in 24 hours?
- A. 300mg
 - B. 600mg
 - C. 750mg
 - D. 900mg
 
Correct answer: D
Rationale: Rationale: - The patient receives 150mg of medication every 4 hours. - To calculate how many milligrams the patient will receive in 24 hours, we need to determine how many times the medication is administered in 24 hours. - Since the medication is administered every 4 hours, there are 24 hours in a day, so the medication will be administered 24 / 4 = 6 times in 24 hours. - Therefore, the total amount of medication the patient will receive in 24 hours is 150mg x 6 = 900mg.
4. Which of the following is the main function of the liver?
- A. To produce bile, which helps digest fats
 - B. To store energy in the form of glycogen
 - C. To produce proteins that help to clot blood
 - D. To detoxify harmful substances in the body
 
Correct answer: D
Rationale: Rationale: A) The liver does produce bile, which helps in the digestion of fats, but this is not its main function. Bile is stored in the gallbladder and released into the small intestine to aid in the digestion and absorption of fats. B) While the liver does store energy in the form of glycogen, this is not its main function. Glycogen is a form of glucose storage that can be broken down into glucose when the body needs energy. C) The liver does produce proteins that help to clot blood, such as fibrinogen and prothrombin, but this is not its main function. These proteins are essential for the blood clotting process to prevent excessive bleeding. D) The main function of the liver is to detoxify harmful substances in the body. The liver processes and removes toxins, drugs, alcohol, and other harmful substances from the bloodstream, making them less harmful and
5. A water wave approaches a shallow beach. What happens to its speed, wavelength, and frequency?
- A. Speed increases, wavelength decreases, frequency increases.
 - B. Speed decreases, wavelength decreases, frequency remains the same.
 - C. Speed increases, wavelength increases, frequency decreases.
 - D. Speed, wavelength, and frequency remain the same.
 
Correct answer: B
Rationale: As waves enter shallow water, they slow down due to increased interaction with the bottom. This causes the wavelength to decrease to maintain the constant wave energy (E = hf). Frequency remains constant as it's determined by the source, not the medium.
6. What is the difference between DNA and RNA?
- A. Both are double-stranded.
 - B. DNA contains deoxyribose sugar, while RNA contains ribose sugar.
 - C. RNA contains the nitrogenous base uracil, while DNA contains thymine.
 - D. Both are identical molecules.
 
Correct answer: B
Rationale: Rationale: A) Incorrect. DNA is double-stranded, but RNA is typically single-stranded. B) Correct. DNA contains deoxyribose sugar, which lacks an oxygen atom on the 2' carbon of the sugar ring, while RNA contains ribose sugar, which has an additional hydroxyl group on the 2' carbon. C) Incorrect. RNA contains the nitrogenous base uracil, while DNA contains thymine. D) Incorrect. DNA and RNA have distinct structures and functions, so they are not identical molecules.
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