Mometrix Teas Science Practice Test with latest solution 2023

A scientific study has over 2,000 data points. Which of the following methods is most likely to help the researcher gain usable knowledge from the data? A) Use statistical analysis to understand trends in the data. B) Look at each individual data point and try to create a trend. C) Eliminate 90% of the data so that the sample size is more manageable. D) Stare at the data until a pattern pops out. - A) Use statistical analysis to understand trends in the data. Which of the following statements describes the path of blood entering the heart? A) Blood enters the heart through the pulmonary vein, into the right atrium, through the tricuspid valve to the right ventricle. B) Once the right ventricle is full, blood exits into the pulmonary artery and then empties into the left ventricle. C) After traveling through the lungs, oxygenated blood enters into the left atrium, then through the mitral valve into the left ventricle. D) Once the left ventricle is full, the left tricuspid valve shuts, the ventricle contracts, and blood exits through the aorta. - C) After traveling though the lungs, oxygenated blood enters into the left atrium, then through the mitral valve to the left ventricle. Which of the statements below accurately list an element along with its functions? (Select all that apply) A) Collagen is a fatty compound that creates a padding between bones and other structures. B) Hemoglobin is a protein in the blood that facilitates the carrying of oxygen. C) Lymph is tissue that forms into nodes through which blood is filtered and cleaned. D) An antigen is a substance that stimulates the production of antibodies. - B) Hemoglobin is a protein in the blood that facilitates the carrying of oxygen.