TEAS exam - version 7 questions and answers

TEAS exam - version 7 "If a plant that is homozygous dominant (T) for a trait is crossed with a plant that is homozygous recessive (t) for the same trait, what will be the phenotype of the offspring if the trait follows Mendelian patterns of inheritance? - Correct answer All offspring will show the dominant phenotype." "Which of the following is an example of human error in an experiment? an imperfectly calibrated scale contaminating a sterile sample by breathing on it a draft in the laboratory slightly changing the temperature of a liquid failure to account for wind speed when measuring distance traveled - Correct answer contaminating a sterile sample by breathing on it" Which of the following organs transports semen through the penis? - Correct answer urethra" "Which of the following describes the location of the heart relative to the lungs? - Correct answer anterior" "The rectum is a part of which of the following organs? - Correct answer large intestine" "Which of the following types of variables is changed in a scientific experiment? - Correct answer independent variable" "Which of the following type of reactions is shown below? CaCl2 + 2NaOH → Ca(OH)2 + 2NaCl - Correct answer double replacement" "Which of the following is NOT part of the innate immune system? - Correct answer antibodies" "Which of the following is NOT a function of the respiratory system in humans? - Correct answer to distribute oxygen to the rest of the body" "Which of the following processes occurs in red bone marrow? - Correct answer hematopoiesis" "Which of the following parts of the nervous system is protected by the vertebral column? - Correct answer spinal cord" "Which of the following is a monomer used to build carbohydrates? - Correct answer glucose" "Which of the following terms describes a conclusion reached on the basis of evidence and reasoning? - Correct answer inference" "Which of the following processes uses the information stored in RNA to produce a protein? - Correct answer translation" "In the digestive system, the majority of nutrients are absorbed in which of the following organs? - Correct answer small intestine" "Which of the following is the number of chromosomes found in a human gamete? - Correct answer 23" "Which of the following is composed of a motor neuron and its associated muscle fibers? - Correct answer motor unit" "Which of the following molecules can be found in abundance in a fatigued muscle? - Correct answer lactic acid" "Which of the following processes produces a gas from a solid? - Correct answer sublimation" "A student isolates and purifies a substance. She then puts it into the lab refrigerator at 4°C. When she comes back the next day, she notices that it has solidified. Which of the following statements about the substance is true? - Correct answer it has a freezing point higher than that of water." "Which of the following molecules experience London dispersion forces? - Correct answer all atoms and molecules" "Which of the following is a heterogeneous mixture? - Correct answer a mixture in which the atoms or molecules are distributed unevenly" "A woman has been suffering from heartburn and thinks that a particular food is causing it. She decides that for each week during a single month, she will not eat a specific food and see if she has heartburn that week. In her experiment, the food she removes from her diet would be which of the following types of variable? - Correct answer independent variable" "Which of the following is true of a gene that is expressed? - Correct answer It is influencing a phenotype trait." "Which of the following glands provides nourishment for sperm, as well as the majority of the fluid that combines with sperm to form semen? - Correct answer seminal vesicles" "Which of the following does NOT correctly match the endocrine system organ with its function? hypothalamus: regulation of pituitary gland pancreas: control of blood sugar through production of insulin and glucagon testes: testosterone and estradiol production pituitary: production and regulation of cortisol and adrenaline - Correct answer pituitary: production and regulation of cortisol and adrenaline" "Which of the following parts of the peripheral nervous system controls voluntary muscle actions? - Correct answer the somatic nervous system" "People who suffer from Type I diabetes are lacking function in which of the following organs? - Correct answer pancreas" "How many electrons can the 2s orbital hold? - Correct answer 2" "Which of the follows describes what happens to the atomic radius when moving left to right on the periodic table? - Correct answer it decreases." "Which of the following correctly describes atomic number? - Correct answer the number of protons in an atom" "Which of the following type of bone tissue gives bone its hardness and strength? - Correct answer cortical bone" "According to electron theory, which of the following is the maximum number of bonds a carbon atom can have? - Correct answer Carbon has four valence electrons, which means it is able to form 4 bonds with other atoms." "What is the electron configuration of ground-state neutral magnesium (Mg)? - Correct answer 1s22s22p63s2 Mg has an atomic number of 12 on the periodic table. This means that ground-state neutral Mg has 12 protons and 12 electrons. These 12 electrons are assigned to orbitals in the order represented by the arrangement of the s-block and p-block on the periodic table: 1s22s22p63s2." "Which of the following is the temperature at which all molecular motion stops? −460°C −273 K 0 K 0°C - Correct answer Absolute zero, or the lowest temperature theoretically possible, is 0 on the Kelvin scale. It is also written as -460 degrees F and -273 degrees C." "Which of the following terms best describes the position of the bladder relative to the uterus? inferior anterior distal latera - Correct answer anterior" "Which of the following is an example of a homozygous genotype that will express a recessive phenotype? aa AA Aa aA - Correct answer aa" "Which of the following groups on the periodic table will typically adopt a charge of +1 when forming ionic compounds? - Correct answer alkali metals" "How many electrons does a neutral atom of vanadium (V) have? - Correct answer 23" "A patient has recently been diagnosed with a bone marrow disorder that leads to slow blood clotting. The patient is likely low in which of the following? - Correct answer platelets" "A scientist believes that a particular species of algae, S. sponferus, is able to grow even when living deep underwater. However, he hypothesizes that this species may grow more slowly than algae in other environments due to the lack of sunlight at this depth. Which of the following findings would not support the scientist's hypothesis? - Correct answer Laboratory experiments show that S. sponferus grows equally well under a wide range of light conditions. (Your Answer)" "Which of the following is the primary function of the large intestine? - Correct answer absorb water" "Which of the following heart valves prevents blood from going back into the right ventricle? - Correct answer pulmonary" "Tin-112 (Sn-112) is the most abundant isotope of tin (Sn) and has a mass number of 112. How many neutrons does Sn-112 have? - Correct answer 62" "Which of the following bones are directly connected to the ulna and radius? - Correct answer carpal" "Mitochondrial myopathy, a mitochondrial disease that leads to low energy, heart issues, and kidney problems, happens when a cytosine is replaced by a thymine. What type of mutation causes mitochondrial myopathy? - Correct answer point mutation" "An individual who is heterozygous for a recessive trait is mated with an individual who is homozygous for the trait. What percentage of offspring will express the recessive trait? - Correct answer 50 percent" "Which of the following mixtures is heterogeneous? - Correct answer orange juice with pulp" "Which of the following organs is held and protected by the meninges? - Correct answer brain" "the largest branch of the abdominal aorta which supplies oxygenated blood to the upper digestive tract - Correct answer celiac artery" "What gland provides nourishment for sperm, as well as the majority of the fluid that combines with sperm to form semen? - Correct answer seminal vesicles" "the exchange of gases and blood happens in what part of the respiratory system - Correct answer alveoli" "which of the following groups are apart of the axial skeleton pectoral girdle rib cage arms & hands pelvic girdle - Correct answer rib cage" "which of the following does not distinguish quantitative data collection from qualitative data collection methods - Correct answer quantitive methods do not need to be as valid or reliable as quantitative methods" "networks of capillaries that begins the filtration process by filtering blood plasma, the result of which is then excreted as urine? - Correct answer glomerulus" "mutation that occurs in the DNA of a non-reproductive cell - Correct answer somatic mutation" "layer of skin with the most blood vessels - Correct answer dermis" "DNA and RNA are built from monomers called? - Correct answer nucleotides" "structure of the male reproductive system that stores spermatozoa during the maturation process - Correct answer epididymis" "process of transporting molecules across a membrane by a protein that does not use energy - Correct answer facilitated diffusion" "which of the following molecules experience London dispersion forces - Correct answer all atoms and molecules" "property from RNA that makes it different from DNA - Correct answer RNA contains uracil" "hormone released by the kidneys and helps regulate blood pressure - Correct answer renin" "describe a scientific model - Correct answer a simplification or metaphor for an observed phenomenon" "which of the following is the molecule found in RBC's that binds to up to four oxygen molecules - Correct answer hemoglobin" "a descriptive, generalized body of scientific observations - Correct answer law" "which of the following types of cells are the main transporters of oxygen throughout the body - Correct answer RBC" "what type of hypothesis assumes no relationship between 2 variables - Correct answer Null hypothesis" "an organisms genotype is ... - Correct answer their complete genetic code" "what is a heterogeneous mixture - Correct answer a mixture in which the atoms or molecules are distributed unevenly" "bone type that makes up the wrist and foot - Correct answer short" "what valve prevents blood from going back to the left atrium - Correct answer mitral" "digestion begins in which organ - Correct answer the mouth" "how does a catalyst speed up a reaction - Correct answer lowering the activation energy by providing an alternate route for the reaction" "appendage of a neuron that sends electrical signals away from the neuron cells - Correct answer axon" "parts of the nervous system responsible for regulating involuntary muscle functions - Correct answer autonomic nervous sytem" "which of the following is the element of blood that comprises most of its total volume - Correct answer plasma" "when benzene burns completely in excess oxygen, what combustion product should form CO2+H2O cH4+H20 CO2+H2O2 CH4+H202 - Correct answer CO2 and H20" "which of the following is NOT a hormone producing gland of the endocrine system prostate, pituitary, adrenal, thyroid - Correct answer prostate" "primary muscle that drives ventilation - Correct answer diaphragm" "what occurs due to a hypersensitivity in the immune system that causes an inflammatory response to a common material - Correct answer allergies" "general term for a chemical substance that the body produces and transports through the blood to stimulate a cellular response - Correct answer hormone" "connective tissue that connects bone to bone and helps strengthen joints - Correct answer ligament" "material that is secreted into hair follicles to waterproof and lubricate the skin - Correct answer sebum .. CBUM" "which of the following is NOT a nucleobase of DNA adenine, guanine, thymine, or uracil. - Correct answer uracil" "the atomic number represents the number of ________ - Correct answer protons in an atom" "A chemist finds a bottle of hydrochloric acid in his laboratory. Although the chemical is labeled properly, the concentration is not included. He decides to determine the concentration of the acid by performing an acid-base titration reaction. To perform this reaction, he adds a known volume and concentration of strong base to the acid while measuring the pH of the combined acid and base. Once a neutral pH is obtained, the reaction has proceeded to completion and the concentration of the acid may be calculated. In this reaction, what is the dependent variable? - Correct answer The dependent variable is the pH of the reaction mixture." "Alleles for brown eyes (B)are dominant over alleles for blue eyes (b). If two parents are both heterozygous for this gene, what is the percent chance that their offspring will have brown eyes? - Correct answer 75" "Which of the following is the process of transporting molecules across a membrane by a protein that does not use energy? - Correct answer facilitated diffusion" "A scientist does a monohybrid cross to determine how a trait is inherited and finds that the trait is mostly seen in male offspring. What type of inheritance pattern does this gene show? - Correct answer X-linked" "What is the oxidation state of the chlorine atom in HCl? - Correct answer -1" "What type of reaction is shown below? 2Li+CI2-->2LiCI - Correct answer synthesis reaction" "Within the nucleus, DNA is tightly wound around histones. How does this arrangement regulate gene transcription? - Correct answer Histones are able to modify the DNA sequence of genes."