ATI TEAS SCIENCE

ATI TEAS SCIENCE # Biology Practice Questions ATI TEAS SCIENCE ATI TEAS SCIENCE ATI TEAS SCIENCE Which of the following contains a human’s hereditary information? – Chromatin – Plasmids – ATP – Histones If A represents atomic mass and Z represents atomic number, which of the following describes an atom after a proton is emitted from its nucleus? – A+1, Z=1 – A·1, Z+1 – A+1, Z+1 – A-1, Z-1 Which of the following types of cells stimulates other immune cells to attack and destroy foreign agents? – Plasma cells – Cytotoxic T-cells – Helper T-cells – Natural killer cells Experiments cannot validate hypotheses, only falsify them. The statement above can be restated in which of the following ways? – Proving a hypothesis exempts it from further testing. – Certain concepts cannot be subjected to direct experimentation. – Until disproved, an explanation for an observation is valid. – A hypothesis that has not been falsified remains provisional. Muscles differentiate from which of the following embryonic tissue? – Ectoderm – Endoderm – Mesoderm – Placenta Which of the following tissues lines the interior surfaces of the heart? – Pericardium – Epicardium – Myocardium – Endocardium Which of the following is classified as a noninfectious disease? – Chikungunya – Dengue – Brucellosis – Psoriasis An experienced mountaineer decides to climb Mount Everest, taking the same route in the same season and with similar materials and equipment used in a fatal 1924 expedition. Which of the following is the scientific purpose of such a climb? – To measure the oxygen levels at high elevation – To show that modern technology makes climbing safer – To identify routes that can be explored in future climbs – To assess why the earlier expedition failed……………………………..purchase this entire exam at $49 only