ATI TEAS 7
TEAS Practice Test Science
1. What are stem cells that can develop into many different cell types, but not a complete organism, known as?
- A. Totipotent stem cells
- B. Multipotent stem cells
- C. Pluripotent stem cells
- D. Hematopoietic stem cells
Correct answer: C
Rationale: Pluripotent stem cells are capable of developing into many different cell types, but they cannot form a complete organism. Totipotent stem cells have the ability to give rise to all cell types in an organism, including extraembryonic tissues, enabling them to form a complete organism. Multipotent stem cells can differentiate into a limited range of cell types. Hematopoietic stem cells specifically give rise to blood cells.
2. What is the name of the wart-like growths caused by the human papillomavirus (HPV)?
- A. Keloids
- B. Keloids
- C. Papillomas
- D. Carcinomas
Correct answer: C
Rationale: The correct answer is 'Papillomas.' Papillomas are benign wart-like growths caused by the human papillomavirus (HPV). Keloids are raised scars that occur at the site of an injury due to excessive collagen formation, while carcinomas are malignant tumors arising from epithelial cells. When identifying the growths specifically related to HPV, papillomas are the most appropriate term.
3. 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: 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.
4. Which of the following describes the path through which air moves during inhalation?
- A. mouth/nose > pharynx > larynx > trachea > bronchi > bronchioles > alveoli
- B. bronchioles > alveoli > bronchi > larynx > pharynx > lungs
- C. mouth/nose > bronchi > bronchioles > alveoli > lungs > trachea
- D. alveoli > bronchioles > lungs > bronchi > trachea > larynx > pharynx > mouth/nose
Correct answer: A
Rationale: The correct path through which air moves during inhalation is from the mouth/nose > pharynx > larynx > trachea > bronchi > bronchioles > alveoli. This sequence accurately represents the typical route air takes as it travels from the external environment into the lungs to facilitate gas exchange in the alveoli. Choice B is incorrect as it reverses the order of bronchioles and alveoli. Choice C is incorrect as it starts with mouth/nose but then incorrectly lists lungs before trachea. Choice D is incorrect as it reverses the entire sequence of the respiratory pathway, starting with alveoli instead of mouth/nose.
5. Which statement below best describes the process of condensation?
- A. Condensation is the process of changing from a gas to a liquid.
- B. Condensation is the process of changing from a liquid to a gas.
- C. Condensation is the process of changing from a solid to a liquid.
- D. Condensation is the process of changing from a solid to a gas.
Correct answer: A
Rationale: The correct answer is A: 'Condensation is the process of changing from a gas to a liquid.' Condensation occurs when a gas cools and transforms into a liquid state. For example, when water vapor in the air cools and forms droplets, it is an example of condensation. This process is commonly observed in the formation of clouds or dew on grass in the early morning. Choice B is incorrect because it describes the process of vaporization rather than condensation. Choice C is incorrect as it refers to the process of melting. Choice D is incorrect as it describes sublimation, which is the transition from a solid to a gas without passing through the liquid phase.
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