ATI TEAS 7
Mathematics
1. Positive integers are greater than zero. Which of the following expressions results in the largest positive number?
- A. (2 + 3)^2
- B. 5 x 7 + 2
- C. 10^2 - 4^2
- D. (8 - 1) x 3
Correct answer: C
Rationale: 10^2 - 4^2 = 100 - 16 = 84
2. Which type of muscle tissue contracts involuntarily and is found in organs like the heart and intestines?
- A. Skeletal muscle
- B. Cardiac muscle
- C. Smooth muscle
- D. All of the above
Correct answer: C
Rationale: The correct answer is C: Smooth muscle. Smooth muscle tissue contracts involuntarily and is found in organs like the heart and intestines. Skeletal muscle is responsible for voluntary movements, and cardiac muscle is specific to the heart. Therefore, smooth muscle is the only type of muscle tissue that fits the description provided in the question, making it the correct choice. Option D, 'All of the above,' is incorrect as it includes skeletal and cardiac muscles, which do not fit the criteria of being found in organs like the heart and intestines. Understanding the differences between these types of muscle tissue is crucial for comprehending their specific functions in the body.
3. Which of the following is the main function of the stomach?
- A. To store food and break it down into smaller pieces
- B. To absorb nutrients into the bloodstream
- C. To produce enzymes that help digest food
- D. To eliminate waste products from the body
Correct answer: A
Rationale: Rationale: The main function of the stomach is to store food that has been ingested and mechanically break it down into smaller pieces through the process of churning and mixing with gastric juices. This mechanical breakdown, along with the action of stomach acid and enzymes, helps to initiate the digestion of food before it moves on to the small intestine for further digestion and absorption of nutrients. Absorption of nutrients into the bloodstream primarily occurs in the small intestine, not the stomach. The production of enzymes that help digest food primarily occurs in the pancreas and small intestine, not the stomach. The elimination of waste products from the body primarily occurs through the large intestine and rectum, not the stomach.
4. What is the term for the maximum amount of solute that can dissolve in a solvent at a specific temperature and pressure?
- A. Molarity
- B. Solubility
- C. Concentration
- D. Saturation
Correct answer: b
Rationale: Solubility is the maximum amount of solute that can dissolve in a solvent at a specific temperature and pressure. The other choices do not accurately define solubility.
5. What is the relationship between work and energy?
- A. Work is the rate of energy transfer
- B. Work and energy are the same concepts
- C. Work is the result of energy
- D. Work changes an object's energy from one form to another
Correct answer: d
Rationale: Work is the process that changes an object's energy from one form to another or transfers it from one object to another.
6. Which of the following is an example of a zoonotic disease?
- A. The common cold
- B. Influenza (the flu)
- C. Malaria
- D. HIV/AIDS
Correct answer: B
Rationale: Rationale: A zoonotic disease is a disease that can be transmitted from animals to humans. Influenza is an example of a zoonotic disease as it can be transmitted from animals such as birds and pigs to humans. The common cold (option A) is caused by human rhinoviruses and is not considered a zoonotic disease. Malaria (option C) is transmitted through the bite of infected mosquitoes and is not considered a zoonotic disease. HIV/AIDS (option D) is caused by the human immunodeficiency virus and is not considered a zoonotic disease.
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