ATI TEAS 7
ATI TEAS 7 Science Practice Test
1. What type of immunity is acquired through vaccination?
- A. Passive natural immunity
- B. Active natural immunity
- C. Active artificial immunity
- D. Passive artificial immunity
Correct answer: C
Rationale: The correct answer is C, Active artificial immunity. Vaccination introduces a weakened or inactive form of the pathogen to stimulate the immune system, leading to the development of immunity. Active artificial immunity is the result of deliberate exposure to an antigen, such as through vaccination, to produce an immune response. Passive immunity, like receiving pre-formed antibodies, does not involve the immune system's activation. Natural immunity is typically acquired through exposure to the pathogen itself, not through vaccination.
2. Which of the following describes the muscular organ that processes food material into increasingly smaller pieces, mixes it with saliva to create a bolus, and creates a barrier to transport food into the esophagus?
- A. pharynx
- B. tongue
- C. diaphragm
- D. stomach
Correct answer: B
Rationale: The tongue is the muscular organ responsible for manipulating food material in the mouth, breaking it down into smaller pieces, and mixing it with saliva to form a bolus. It also plays a crucial role in pushing the food bolus towards the back of the mouth to facilitate swallowing and transport the food into the esophagus. The pharynx is involved in swallowing and directing food to the esophagus after it passes the mouth. The diaphragm is a muscle involved in the breathing process, not food processing. The stomach is an organ responsible for further digestion of food after it passes through the esophagus.
3. Which of the following sentences has an error in capitalization?
- A. The East Coast has experienced very unpredictable weather this year.
- B. My uncle owns a home in Florida, where he lives in the winter.
- C. I am taking English Composition II on campus this fall.
- D. There are several nice beaches we can visit on our trip to the Jersey Shore this summer.
Correct answer: B
Rationale: The error in capitalization is in option B. 'Uncle' should not be capitalized because it is not used as a proper noun in this context. It should be written as 'uncle.' In the other options, capitalization is correctly used for proper nouns like 'East Coast,' 'English Composition II,' and 'Jersey Shore,' making them the correct choices.
4. Which valve allows blood flow from the right atrium into the right ventricle?
- A. Tricuspid valve
- B. Pulmonic valve
- C. Mitral valve
- D. Aortic valve
Correct answer: A
Rationale: The correct answer is the Tricuspid valve. This valve is located between the right atrium and the right ventricle in the heart. Its primary function is to facilitate the flow of blood from the right atrium into the right ventricle and to prevent the backflow of blood. The Pulmonic valve (choice B) is situated between the right ventricle and the pulmonary artery, not between the right atrium and ventricle, making it incorrect. The Mitral valve (choice C) is found between the left atrium and the left ventricle, not the right side, so it is incorrect. The Aortic valve (choice D) is positioned between the left ventricle and the aorta, not involved in the right atrium and ventricle connection, hence it is also incorrect.
5. Which of the following organs is NOT part of the circulatory system?
- A. Kidneys
- B. Heart
- C. Blood
- D. Blood vessels
Correct answer: A
Rationale: The correct answer is A: Kidneys. The kidneys are not part of the circulatory system. While the circulatory system includes the heart, blood, and blood vessels (arteries, veins, capillaries), the kidneys belong to the urinary system. The kidneys are responsible for filtering waste products from the blood and producing urine. Choice B, the heart, is a vital organ in the circulatory system responsible for pumping blood. Choice C, blood, is a key component of the circulatory system that carries oxygen and nutrients to the body's tissues. Choice D, blood vessels (arteries, veins, capillaries), facilitate the circulation of blood throughout the body, playing a crucial role in the circulatory system.
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