ATI TEAS 7
TEAS Practice Test Science Questions
Question 1 of 5
What type of joint is found in the shoulder and hip, allowing for a wide range of motion?
Correct Answer: B
Rationale: The correct answer is B: Ball-and-socket joint. This joint allows for a wide range of motion due to its structure where a rounded end of one bone fits into a cup-like socket of another bone. The shoulder and hip joints are prime examples of ball-and-socket joints, enabling movements in multiple directions. A: Hinge joints, like the elbow, allow movement in one plane. C: Pivot joints, like the neck, allow rotational movement. D: Saddle joints, like the thumb, allow for various movements but not the same wide range as ball-and-socket joints.
Question 2 of 5
What is the role of the pancreas in digestion?
Correct Answer: B
Rationale: The correct answer is B: To secrete digestive enzymes. The pancreas secretes enzymes such as amylase, lipase, and protease that aid in breaking down carbohydrates, fats, and proteins in the small intestine. This process is crucial for proper digestion and absorption of nutrients. Choice A is incorrect because the pancreas does not secrete bile, which is produced by the liver. Choice C is incorrect because the absorption of nutrients primarily occurs in the small intestine, not the pancreas. Choice D is incorrect as waste transportation is mainly handled by the intestines and kidneys, not the pancreas.
Question 3 of 5
Which of the following is responsible for transporting oxygen in the blood?
Correct Answer: B
Rationale: The correct answer is B: Red blood cells. Red blood cells contain hemoglobin, a protein that binds to oxygen in the lungs and carries it to tissues throughout the body. This process is essential for oxygen transport and delivery to cells for energy production. White blood cells (A), platelets (C), and plasma (D) do not have the specific function of transporting oxygen in the blood. White blood cells are involved in the immune response, platelets help in blood clotting, and plasma is the liquid component of blood that carries nutrients and waste products.
Question 4 of 5
What is the main function of the respiratory system?
Correct Answer: B
Rationale: The correct answer is B: To exchange gases. The main function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide between the body and the external environment. This process occurs in the lungs through breathing, where oxygen is taken in and carbon dioxide is expelled. Absorbing nutrients (A) is the function of the digestive system, transporting oxygen (C) is part of the circulatory system's role, and regulating blood pressure (D) is primarily controlled by the cardiovascular system.
Question 5 of 5
Which of the following factors does not strengthen a scientific argument?
Correct Answer: B
Rationale: Sure, here's the step-by-step rationale for why choice B is the correct answer: 1. Qualitative research is subjective. 2. Scientific arguments should rely on objective, quantitative data. 3. Extensive use of qualitative research weakens objectivity. 4. Objective data strengthens scientific arguments. Summary of other choices: A: Lack of bias strengthens a scientific argument by ensuring objectivity. C: Reproducibility strengthens a scientific argument by validating results. D: Standing the test of time strengthens a scientific argument by showing consistency.
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