ATI TEAS Science Exam

Which of the following will likely happen in the case of blocked and injured ureters? A. Frequent urination B. No urine formation C. Reduced flow of urine to the bladder D. Bladder stretches due to an increase in urine volume - c. Reduced flow of urine to the bladder Which of the following anatomical planes divides the body into superior and inferior portions? A. Sagittal B. Median C. Frontal D. Transverse - d. Transverse Which of the following properties of water explains characterization as the universal solvent? A. Kinetic energy of liquid water molecules B. High specific heat C. Polarity of water molecules D. High surface tension - c. Polarity of water molecules A chlorine atom has 17 electrons and 17 protons. It forms an ionic bond with sodium and gains a negative charge. Which of the following is true for the chloride ion? A. Its an anion with 18 electrons and 17 protons. B. Its an anion with 18 electrons and 18 protons C. Its a cation with 17 electrons and 18 protons D. Its a cation with 18 electrons and 18 protons - a. Its an anion with 18 electrons and 17 protons Which of the following is the gland on a hair follicle that supplies the hair shaft and the skin with oily secretions? A. Eccrine gland B. Apocrine gland C. Sebaceous gland D. Ceruminous gland - c. Sebaceous gland Which of the following hormones is released in response to a drop in blood pressure? A. Melatonin B. Somatostatin C. Oxytocin D. Aldosterone - d. Aldosterone Which of the following bones is the large, fused bone of the upper jaw that contains teeth? A. Mandible B. Maxilla C. Vomer D. Clavicle - b. Maxilla Dark matter is a form of energy proposed to explain the repulsive forces between batter in the universe. It has never been observed directly. Which of the following is the best rationale for many scientists' contention that it exists? A. It serves as a working hypothesis to explain real observations in the universe. B. A basic scientific principle is to consider everything possible until proven otherwise. C. Since light energy exists in the universe, dark energy must also exist. D. Light energy from distant stars is very faint because it absorbed by dark energy - a. It serves as a working hypothesis to explain real observations in the universe Which of the following is a type of specialized antigen-processing cell that activates t-cells of the immune system? A. Plasma cells B. Thrombocytes C. Dendritic cells D. Eosinophils - dendritic cells Which of the following conditions might help a species to escape extinction in the face of changing environmental conditions, such as habitat destruction? A. Extreme specialization B. Small populations C. Narrow ecological niches D. Generalized distribution - d. Generalized distribution Which of the following statements correctly describes the relationship between genes and chromosomes? A. Genes are dna sequences found on chromosomes B. Chromosomes contain genes composed of amino acids C. Chromosomes are dna sequences found on genes D. Genes contain chromosomes composed of amino acids. - a. Which of the following is the circular muscle that regulates the opening and closing of a body aperture? A. Fossa B. Fascia C. Sphincter D. Valve - c. A student is assigned the task of measuring the weight of one tennis ball using a scale for which the zero adjustment on the balance is not working. The student is given three ball and the can in which they were packaged. Which of the following strategies will provide the best determination of the correct weight? A. Weigh each ball separately and average the results. B. Weight the empty can, weight the can with a ball in it, and compute the difference between the two. C. Weight the three balls together and divide by three D. Weigh each ball separately, adjusting the beam weights from below first, and then from above. Then, average the results. - b. Arrange the units in increasing order of the size of distances they measure. Millimeter, centimeter, kilometer, hectometer, decameter - millimeter, centimeter, decameter, hectometer, kilometer Which of the following describes the concentration of hydrogen ions in water with a ph of 7? A. 10^7 m B. 7m C. 0.7 m D. 10^-7m - d. Which of the following statements best explains why rna inside a cell is almost never found as a single-stranded molecule? A. Alleles for genes are found in pains, so their rnas also pair up B. Rna normally exists with its complementary strand in a double helix C. Rna and dna form hybrid pairs for all transcribing parts of the chromosome D. Short stretches complementary sequences can cause rna to fold back on itself. - d Which of the following chemical bonds is found within a molecule of ammonia, nh3, given that n is a highly electronegative element and has a valence of 5? A. Nonpolar covalent bonds B. Polar covalent bonds C. Ionic bonds D. Hydrogen bonds B - When calculating population growth, which of the following equations is appropriate? A. (emigrants-immigrants) + (births-deaths) B. (immigrants-emigrants) + (births-deahts) C. (births+deaths) - (emigrants+immigrants) D. (births-deaths) - (immigrants+emigrants) - b. Which component of a phospholipid gives it nonpolar characteristic? A. Glycerol molecule B. Hydrogen bonds C. Phosphate group D. Carbon-hydrogen chains - d. Which of the following statements accurately describes systemic circulation? A. Supplies oxygen-poor blood from the right ventricle to the lungs B. Receives oxygen-rich blood from the lungs to the right atrium C. Supplies oxygen-rich blood from the left ventricle to the body D. Receives oxygen-poor blood from the body to the left atrium - c Which of the following is true of enzyme-catalyzed reactions? A. The enzyme is not consumed in the reaction B. The substrate is produced in the active site C. The substrate remains unchanged during the reaction D. The enzyme raises the activation energy of the reaction. - a.