ATI TEAS Science Practice Test Questions with solutions

Which of the following is characteristic of the human organism? Correct Answer - heterotrophic with a genome stored in DNA Which of the following options represents the chromosomal composition of a normal zygote? Correct Answer - 46 chromosomes Ca + H₂SO₄ --> ?? Correct Answer - Calcium Sulfate Which of the following organs is the site of blood filtration? Correct Answer - kidney Which of the following organ systems is responsible for transporting nutrients, wastes, and other substances throughout the human body? Correct Answer - circulatory Positive feedback example Correct Answer - Oxytocin causes an increase in uterine muscle contractions, ultimately causing the posterior pituitary to release more oxytocin Weeds A and B grow next to each other. The roots of Weed A stop growing when they enter the root zone of Weed B. Since activated charcoal is known to absorb organic compounds, activated charcoal is applied to soil around Weed B. Weed A then grows into root zone of Weed B. What hypothesis is being tested by the addition of activated charcoal to the soil? Correct Answer - Weed B produces organic compound that inhibits root growth for Weed A In a well-controlled experiment, researchers show that a common topical antibiotic called chloramphenicol halts a deadly fungal growth on the skin of amphibians. Which of the following is the best inference for how the antibiotic works to limit a