ATI TEAS 7
Practice Science TEAS Test Questions
Question 1 of 5
What is the primary function of the kidneys?
Correct Answer: B
Rationale: The correct answer is B: To filter blood and produce urine. The kidneys play a crucial role in filtering waste products and excess substances from the blood to form urine, which helps maintain the body's balance of fluids and electrolytes. This process is essential for regulating blood pressure, producing hormones, and maintaining overall bodily function. Choices A, C, and D are incorrect because the kidneys are not involved in digesting food, absorbing nutrients, or transporting oxygen.
Question 2 of 5
Which of the following structures helps filter pathogens from the blood?
Correct Answer: C
Rationale: The correct answer is C: Spleen. The spleen filters pathogens from the blood through its white pulp, which contains immune cells that detect and destroy harmful microorganisms. The spleen also removes old or damaged red blood cells. A: Lymph nodes filter lymph, not blood. B: Kidneys filter waste from the blood but not pathogens. D: Pancreas is primarily involved in digestion and hormone regulation, not blood filtration.
Question 3 of 5
Which of the following is another name for a sweat gland?
Correct Answer: C
Rationale: The correct answer is C: Sudoriferous. Sudoriferous glands are commonly known as sweat glands. These glands are responsible for producing sweat, which helps regulate body temperature. "Ceruminous" glands produce earwax, "Sebaceous" glands produce oil, and "Integumentary" refers to the skin as a whole, not specifically to sweat glands. Therefore, the correct choice is C.
Question 4 of 5
Which type of bond is exemplified by KCl?
Correct Answer: A
Rationale: The correct answer is A: Ionic bond. In KCl, potassium (K) is a metal and chlorine (Cl) is a nonmetal. Ionic bonds form between a metal and a nonmetal through the transfer of electrons. In KCl, potassium donates an electron to chlorine, resulting in the formation of K+ and Cl- ions, which are held together by electrostatic forces. Covalent bonds (choice B) involve the sharing of electrons between two nonmetals, which is not the case in KCl. Hydrogen bonds (choice C) occur between molecules with hydrogen and electronegative atoms like oxygen or nitrogen, not between ionic compounds. Polar covalent bonds (choice D) involve unequal sharing of electrons between nonmetals, which is not the case in KCl where there is a complete transfer of electrons.
Question 5 of 5
Which of the following is a function of the skeletal system?
Correct Answer: B
Rationale: The correct answer is B: To provide structural support. The skeletal system functions to support the body, protect internal organs, allow movement, and produce blood cells. Structural support is a primary function as bones form the framework of the body. Red blood cell production occurs in the bone marrow, not the skeletal system directly (A). Nutrient transport primarily involves the circulatory system, not the skeletal system (C). Fat storage is not a function of the skeletal system; it is mainly stored in adipose tissue (D). In summary, the skeletal system's main function is to provide structural support for the body.
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