ATI TEAS SCIENCE EXAM PRACTICE QUIZ

ATI TEAS SCIENCE PRACTICE QUIZ 1.) According to Mendel’s first law, what does an individual gamete contain? a.) A gene. b.) A pair of genes. c.) One allele of a gene. d.) A pair of alleles of the same gene. Correct answer is: c. 2.) Which of the following is both an exocrine and endocrine gland? a.) Adrenal Glands b.) Liver c.) Thyroid Gland d.) Parathyroid Glands Correct answer is: b. 3.) An atom’s physical structure is composed of which of the following? a.) A nucleus & electrons b.) A nucleus & orbits c.) Protons & neutrons d.) A nucleus & protons Correct answer is: b. 4.) Growth factors and histamine are chemical agents released in small amounts that act locally on neighboring cells. Which of the following best describes the function of growth factors and histamine? a.) Endocrine function b.) Autocrine function c.) Paracrine function d.) None of the above Correct answer is: c. 5.) Which hormone increases basal metabolic rate in the body? a.) Parathyroid hormone b.) Thyroid hormone c.) Glucagon d.) Secretin Correct answer is: b. 6.) Which of the following hormones would be expected to increase if you were studying all day for a test and skipped breakfast & lunch? a.) Calcitonin b.) Insulin c.) Glucagon d.) Growth Hormone Correct answer is: c. 7.) Hormones travel through the bloodstream and bind to receptors located on target cells. Which of the following would NOT bind to transmembrane proteins on the target cells? a.) Antidiuretic Hormone b.) Prolactin c.) Insulin d.) Estrogen Correct answer is: d. 8.) A weak bond in DNA often includes a(n) atom? a.) Oxygen b.) Nitrogen c.) Thymine d.) Hydrogen Correct answer is: d. 9.) Which of the following produces NADH and FADH2 for the electron transport chain during cellular respiration? a.) Metabolism b.) Glycolysis c.) Metabolic pathways d.) Krebs Cycle Correct answer is: d. 10.) Why is it important to replicate DNA before a cell divides in mitosis? a.) for genetic information to be transferred into daughter cells. b.) for the cell to be able to increase in size. c.) for the DNA to be contained in the nucleus. d.) for the cell to re-order the DNA sequencing in the new cells. Correct answer is: a. 11.) In a cell, movement of molecules from an area of low concentration to an area of high concentration…? a.) uses facilitated diffusion b.) requires cellular energy c.) needs associated (peripheral) proteins d.) requires no energy Correct answer: b. 12.) The function of the central vacuole in plant cells include . a.) Storing food. b.) Storing waste products. c.) Maintaining the right amount of pressure to support the plant structure. d.) All the above. Correct answer is: d. 13.) The thoracic cage is a structural unit important for . a.) digestion b.) menstruation c.) respiration d.) secretion of wastes Correct answer is: c. 14.) Salivary amylase secreted into the oral cavity starts the digestion of . a.) starch b.) proteins c.) amino acids d.) lipids Correct answer is: a. 15.) The holds the replicated sister chromatids together? a.) centriole b.) chromosomes c.) centromere d.) cycles Correct answer is: c. 16.) Which two hormones does the anterior pituitary