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
Which type of blood cell is responsible for carrying oxygen?
Correct Answer: B
Rationale: The correct answer is B: Red blood cell. Red blood cells contain hemoglobin, a protein that binds to oxygen in the lungs and carries it to tissues throughout the body. White blood cells (A) are responsible for fighting infections, platelets (C) help with blood clotting, and plasma (D) is the liquid component of blood that carries nutrients and waste products. Thus, red blood cells are the only cells specifically designed to transport oxygen, making them the correct choice.
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
Which of the following statements is NOT true about DNA?
Correct Answer: C
Rationale: The correct answer is C because DNA is indeed read 5' to 3', not 3' to 5'. This directionality is essential for DNA replication and protein synthesis. Choice A is correct as DNA contains A, T, C, G nucleotides and is read 5' to 3'. Choice B is correct as DNA carries genetic information and forms chromosomes with proteins. Choice D is correct as DNA is double-stranded with hydrogen bonds holding the two strands together.
Question 5 of 5
Which of the following lobes of the brain is responsible for sensation, perception, and spatial reasoning?
Correct Answer: C
Rationale: The correct answer is C: Parietal lobe. The parietal lobe is responsible for processing sensory information, perception of stimuli, and spatial reasoning. It integrates information from different senses to create a coherent understanding of the world around us. The frontal lobe (A) is mainly involved in executive functions and motor control. The occipital lobe (B) is primarily responsible for processing visual information. The temporal lobe (D) is associated with auditory perception, memory, and language processing. Therefore, the parietal lobe is the most suitable choice for sensation, perception, and spatial reasoning.
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