ATI TEAS 7
Practice Science TEAS Test Questions
Question 1 of 5
Which of the following neurotransmitters is associated with the feeling of happiness and well-being?
Correct Answer: B
Rationale: The correct answer is B: Serotonin. Serotonin is associated with feelings of happiness and well-being because it helps regulate mood, emotions, and sleep. Low levels of serotonin have been linked to depression and anxiety. Dopamine (A) is associated with pleasure and reward, GABA (C) is an inhibitory neurotransmitter that helps reduce anxiety, and Acetylcholine (D) is involved in muscle movement and memory. Serotonin is the most relevant neurotransmitter for happiness and well-being due to its specific role in regulating mood and emotions.
Question 2 of 5
Water is considered a universal solvent due to its ____.
Correct Answer: B
Rationale: The correct answer is B: Adhesion. Water is considered a universal solvent because of its strong ability to adhere to other substances and dissolve a wide range of solutes. This property is essential for water to dissolve various molecules and ions, making it an effective solvent in nature. Cohesion (A) refers to water molecules sticking to each other, not to other substances. Molarity (C) is a measure of concentration, not a property of water as a solvent. Dilution (D) refers to the process of reducing the concentration of a solute in a solution, not the reason why water is a universal solvent.
Question 3 of 5
What type of joint connects the bones of the skull?
Correct Answer: B
Rationale: The correct answer is B: Fibrous joint. Fibrous joints are immovable joints that connect bones with dense fibrous connective tissue. In the skull, the bones are joined by fibrous sutures, which provide stability and protect the brain. Hinge joints (A) allow movement in one direction, not present in the skull. Ball-and-socket joints (C) allow for a wide range of motion, not fitting the immovable nature of skull joints. Pivot joints (D) allow rotation, which is not a characteristic of skull joints. Therefore, the fibrous joint is the correct type of joint that connects the bones of the skull.
Question 4 of 5
What is the end product of glycolysis?
Correct Answer: D
Rationale: The correct answer is D: Pyruvic acid. In glycolysis, glucose is broken down into pyruvic acid. This process generates ATP and NADH as well. Lactic acid (A) is produced in anaerobic conditions, not at the end of glycolysis. ATP (B) is produced during glycolysis but is not the end product. NADPH (C) is not the end product of glycolysis, it is produced in the pentose phosphate pathway.
Question 5 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.
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