ATI TEAS 7
TEAS 7 practice test free science
1. An object is thrown at an angle. Which of the following forces acts HORIZONTALLY on the object during its flight?
- A. Gravitational force
- B. Normal force from the ground
- C. Air resistance
- D. The force of throwing
Correct answer: C
Rationale: During the flight of the object, the only force that acts horizontally on the object is air resistance. Air resistance opposes the motion of the object through the air and acts in the direction opposite to the object's velocity. Gravitational force acts vertically downward, influencing the object's weight and vertical motion. The normal force from the ground acts perpendicular to the ground to support the object's weight. The force of throwing initially imparts velocity to the object at an angle, but it does not act horizontally throughout the flight.
2. A patient's body is not properly filtering blood. Which of the following body parts is most likely malfunctioning?
- A. Medulla
- B. Heart
- C. Nephrons
- D. Renal cortex
Correct answer: C
Rationale: Nephrons are the functional units of the kidneys responsible for filtering blood and removing waste products to form urine. If a patient's body is not properly filtering blood, it is most likely due to dysfunction or impairment in the nephrons of the kidneys. The heart is responsible for pumping blood, not filtering it, making choice B incorrect. The medulla and renal cortex are specific parts of the kidney but do not directly perform the filtration function carried out by the nephrons, making choices A and D incorrect.
3. What is the result of multiplying (3/5) by (5/8)?
- A. 3/8
- B. 3/5
- C. 15/40
- D. 3/30
Correct answer: A
Rationale: To multiply fractions, multiply the numerators together and the denominators together. For (3/5) * (5/8), you get (3*5) / (5*8) = 15 / 40, which simplifies to 3/8. Therefore, the correct answer is A. Choice B (3/5) is incorrect as it is one of the original fractions being multiplied. Choice C (15/40) is the result of the multiplication but not simplified to its lowest terms. Choice D (3/30) is incorrect as the numerator is not the result of multiplying 3 and 5 together.
4. What are glands that release hormones directly into the bloodstream without ducts called?
- A. Exocrine glands
- B. Endocrine glands
- C. Apocrine glands
- D. Merocrine glands
Correct answer: B
Rationale: Endocrine glands release hormones directly into the bloodstream without the use of ducts. This allows the hormones to be distributed throughout the body to target organs or tissues. Exocrine glands, on the contrary, release their secretions through ducts to the external environment or onto a surface, such as sweat glands. Apocrine and merocrine glands are both types of exocrine glands that release their secretions through different mechanisms. Apocrine glands release their secretions along with portions of the cell itself, while merocrine glands release their secretions through exocytosis without loss of cellular material.
5. What does the word 'principal' refer to in the following text?
- A. Primary or chief
- B. An acolyte
- C. An individual who provides nurturing
- D. One in a subordinate position
Correct answer: A
Rationale: In this context, the word 'principal' refers to the primary or chief role that Reldresal holds as the principal secretary for private affairs. This term signifies his significant position and authority within the hierarchy. The other choices are incorrect because 'principal' does not mean 'an acolyte' (a follower or assistant), 'an individual who provides nurturing,' or 'one in a subordinate position.'
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