TEAS practice questions and answers 2022

Left ventricle which of the following chambers of the heart pumps oxygenated blood to the rest of the body? A.) L. atrium B.) R. atrium C.) L. ventricle D.) R. ventricle trachea after air is inhaled through the mouth, nose, and throat, which of the following structures does it travel through? A.) alveoli B.) bronchi C.) bronchioles D.) trachea 00:19 01:29 digestive juice production which of the following is NOT a function of the liver? A.) digestive juice production B.) bile production C.) detoxification D.) blood preparation erythrocytes which of the following cells are responsible for carrying oxygen? A.) leukocytes B.) thrombocytes C.) erythrocytes D.) plasma cells capillaries oxygen is exchanged between blood and tissues at which of the following areas? A.) capillaries B.) veins C.) ventricles D.) arteries relaxes, reducing the space available for the lungs when exhaling, the diaphragm: A.) relaxes, reducing the space available for lungs B.) relaxes, increasing the space available for the lungs C.) contracts , reducing the space available for the lungs D.) contracts, increasing the space available for the lungs 4 How many electrons are included in the double bond between the 2 oxygen atoms in 02? A.) 2 B.) 4 C.) 6 D.) 8 tibia which of the following is the anterior bone of the lower leg? A.) ulna B.) fibula C.) tibia D.) radius hypothalamus which the following regions of the brain is the active link between the endocrine and the nervous systems? A.) cerebellum B.) pons C.) cerebrum D.) hypothalamus hinge joint which of the following joints is formed by the humerus and the ulna? A.) ball and socket joint B.) hinge joint C.) saddle joint D.) gliding joint kneecap which of the following is another name for the patella? A.) breastbone B.) kneecap C.) finger bone D.) funny bone origin which the following is the part of a muscle that remains stationary during movement? A.) insertion B.) agonist C.) origin D.) antagonist condensation which of the following is the process that produces a liquid from a gas? A.) vaporization B.) condensation C.) sublimation D.) melting extend the knee joint what is the primary function of the quadriceps muscle? A.) extend the knee joint B.) flex the knee joint C.) extend the hip joint D.) flex the hip joint cerebrum which of the following parts of the brain is responsible for memory and language processing? A.) pons B.) cerebrum C.) cerebellum D.) medulla oblangata twelve how many thoracic spinal nerves are there in the human body? A.) eight B.) nine C.) twelve D.) fourteen touch which of the following is NOT a specialized sense? A.) touch B.) balance C.) sight D.) hearing jejunum in which region of the small intestine are most of the nutrients absorbed? A.) jejunum B.) ileum C.) duodenum D.) colon protein which of the following macromolecules is broken down by trypsin? A.) protein B.) lipid C.) nucleic acid D.) carbohydrates iliac artery which of the following supplies blood to the lower body? A.) superior vena cava B.) inferior vena cava C.) iliac artery D.) aortic arch osteoclasts which type of cell is responsible for the degradation of bone tissue? A.) osteoclasts B.) osteoblasts C.) osteocytes D.) lining cells one; more the element in group 1 have __________ valence electrons and are ________ reactive than the elements in group 2 A.) zero; more B.) zero; less C.) one; less D.) one; more phagocytosis one function of lymphocytes in the lymph nodes is to ingests invading bacteria and other harmful debris to keep our bodies healthy. Which of the following most likely carries out this process? A.) pinocytosis B.) facilitated transport C.) phagocytosis D.) exocytosis release of oxytocin during childbirth which of the following is NOT an example of the end result of a negative feedback loop? A.) release of oxytocin during during childbirth B.) vasoconstriction during an incident of low blood sugar C.) stimulus of sweat glands in thermoregulation D.) insulin production and storage of glucose during digestion mitochondria muscle tissues will often require quick bursts of energy. As a result, which of the following organelles would be most likely to be found in higher than normal amounts in muscle cells? A.) ribosomes B.) lysosomes C.) vacuoles D.) mitochondria a solution of 20 percent saline concentration consider a prokaryotic organism that typically lives in a 10 percent saline concentration environment. which of the following environments would cause the organism to lose mass at the greatest rate due to osmosis? A.) a solution of pure water B.) a solution of 3 percent saline concentration C.) a solution of 10 percent saline concentration D.) a solution of 20 percent saline concentration to distribute oxygen to the rest of the body which of the following is NOT a function of the respiratory system in humans? A.) to exchange gas B.) to produce sound and speech C.) to distribute oxygen to the rest of the body D.) to remove particles from the air chlorine which of the following elements is the most electronegative? A.) chlorine B.) iron C.) magnesium D.) silicon mRNA which of the following choices would contain the code for making a protein? A.) mRNA B.) tRNA C.) rRNA D.) DNA polymerase a simplification or metaphor for an observed phenomenon which the following statements best defines a scientific model? A.) a real-world example of a theory B.) a simplification or metaphor for an observed phenomenon C.) a proposed explanation for an observed phenomenon D.) a statement about a fundamental aspect of the universe a reactant concentration a chem student is conducting an experiment in which she tests the relationship between reactant concentration and heat produced by a reaction. In her experiment, she alters the reactant concentration and measures heat produced. which of the following is the independent variable in this experiment? A.) reactant concentration B.) reaction rate C.) amount of heat produced by the reaction D.) product concentration sandy water which of the following is NOT a homogeneous mixture? A.) air B.) sandy water C.) brass D.) salt dissolved in water 50 how many neutrons are in an atom of the element 38/88 Sr? A.) 38 B.) 88 C.) 50 D.) 126 cell wall which of the following is NOT present in an animal cell? A.) nucleus B.) mitochondria C.) cytoplasm D.) cell wall H2CO3- H2O+CO2 which of the following is a decomposition reaction? A.) 2Na+Cl2- 2NaCl B.)Zn+2HCl- ZnCl2+H2 C.) CH4+2O2-CO2+2H2O D.) H2CO3- H2O+CO2 Ca + which ion has the greatest number of electrons? A.) Ca 2+ B.) Cl- C.) Ca + D.) P 3- Keratin which of the following materials is the primary structural protein of the epidermis, nails, and skin? A.) eponychium B.) collagen C.) keratin D.) cartilage bone density Damage to the parathyroid would most likely affect which of the following? A.) stress levels B.) bone density C.) secondary sex characteristics D.) circadian rhythms smooth endoplasmic reticulum: translation of mRNA into proteins which of the following does NOT correctly match the part of the cell and its primary function? A.) mitochondria: production of ATP through oxidative phosphorylation B.) nucleus: DNA replication and transcription C.) smooth endoplasmic reticulum: translation of mRNA into proteins D.) Golgi apparatus: packaging and transportation of proteins within and in/out of cells penile urethra which of the following is the final vessel through which semen must pass before being expelled from the body? A.) ejaculatory duct B.) penile urethra C.) membraneous urethra D.) vas deferens rib cage which of the following groups of bones are part of the axial skeleton? A.) pectoral guide B.) rib cage C.) arms and hands D.) pelvic girdle antibody which of the following is NOT a type of white blood cell? A.) helper T-cell B.) plasma cell C.) antibody D.) phagocyte salivary amylase which of the following initiates the breakdown of carbohydrates? A.) salivary amylase B.) stomach acid C.) bile salts D.) peristalsis receive and interpret internal and external stimuli from sensory nerves which of the following is NOT a function of the pituitary gland? A.) receive and interrupt internal and external stimuli from sensory nerves B.) release trophic hormones too trigger other glands to produce hormones C.) store hormones from the hypothalamus and release as needed D.) produce hormones and send too target cells via the bloodstream grams which of the following units is most appropriate for measuring the mass of an ant? A.) meters B.) grams C.) liters D.) kilograms facilitated diffusion which of the following cellular processes does NOT use ATP? A.) facilitated diffusion B.) DNA replication C.) active transport through the cell membrane D.) movement of the most complex in a flagellum prostate which of the following is NOT a hormone-producing gland of the endocrine system? A.) prostate B.) pituitary C.) adrenal D.) thyroid autonomic nervous system which of the following is the division of the nervous system primarily responsible for regulating all involuntary and subconscious muscle functions? A.) somatic nervous system B.) autonomic nervous system C.) sympathetic nervous system D.) peripheral nervous system cytoskeleton- movement which of the following pairs correctly matches a cellular organelle with its function? A.) Golgi apparatus- protein synthesis B.) smooth endoplasmic reticulum- energy C.) cytoskeleton- movement D.) cell membrane- storage bone marrow which of these organs is directly involved in the synthesis of red blood cells in an adult? A.) liver B.) spleen C.) bone marrow D.) lymph nodes blood becoming more acidic at the end of a sprint, a runner breathes hard because the medulla oblongata senses which of the following? A.) low oxygen levels in the blood B.) low carbon dioxide levels in the blood C.) blood becoming more alkaline D.) blood becoming more acidic reduction in residual volume of the lung which of the following situations would result in increased oxygen diffusion from alveoli into the blood? A.) increase in perfusion and decrease in ventilation B.) an increase in oxygen and concentration of blood C.) reduction in alveolar surface area D.) reduction in residual volume of the lung generation of electrical impulses which of the following describes a property of cardiac cells? A.) generation of electrical impulses B.) production of red blood cells C.) immune protection functions D.) removal of waste products from the body antibodies which of the following blood component levels would be expected to increases following vaccination? A.) red blood cells B.) antibodies C.) dissolved gases D.) leukocytes the sinoatrial node is present in the top section of the right atrium which of the following statements regarding the circulatory system is correct? A.) the sinoatrial node is present in the top section of the right atrium B.) all veins carry deoxygenated blood back to the heart C.) the heart's "Lub-dub" sound is caused by the electrical impulse generation D.) the hearts atria have thicker walls than the ventricles peristalsis rate increases which of the following physiological response follows eating a large meal? A.) pulse rate increases B.) peristalsis rate increases C.) enzyme production decreases D.) parasympathetic nervous activity decreases the liver filters digestion products and produces urea as waste which of the following describes why liver failure is a critical health emergency? A.) the liver produces the majority of digestive enzymes B.) food is filtered through the liver before digestion takes place C.) the liver helps digested food products to be pumped around the body D.) the liver filters digestion products and produces urea as waste rough ER the system of interconnected tubes involved in protein production is called? A.) the cytoskeleton B.) basal bodies C.) rough ER D.) lysosomes Diffusion down a concentration gradient which of the following processes causes most of the carbon dioxide from the blood to move into the alveoli? A.) conversion of carbon dioxide B.) active transport using energy C.) diffusion down a concentration gradient D.) passive transport using carrier protein reduction of NAD+ NAD^++Ze-+H+NADH; which of the following statement correct describes reaction above? A.) combustion of NAD+ B.) breakdown of NADH C.) reduction of NAD+ D.) single placement of NADH blood would not be oxygenated If damage occurs to the alveoli of the lungs which of the following is true? A.) blood avoid not return from lungs to the heart B.) blood would not be sent from heart to body system C.) blood would not contain carbon dioxide D.) blood would not be oxygenated package protein the function of the Golgi apparatus is? A.) synthesis of lipids B.) package protein C.) Degrade Nuclei acid D.) Assemble carbohydrates blood osmolarity increases which of the following is response to release of antidiuretic hormone (ADH) A.) positive feedback occur leading to release of more ADH B.) water reabsorption increases at collecting duct C.) blood osmolarity increases D.) urinary volume increases the thoracic cavity increases in volume which of the following occurs when diaphragm contracts? A.) the ribcage contract B.) air forced out of the lungs C.) alveoli decreases in size D.) the thoracic cavity increases in volume Ovaries In which of the following organ does meiosis occur? A.) Uterus B.) fallopian tube C.) ovaries D.) Cervix connective tissue while playing basketball, a player injures his achilles tendon which of the following types of tissue was injured? A.) nervous tissue B.) connective tissue C.) muscle tissue D.) epithelial tissue macrophages which of the following cell has the ability to engulf other cell? A.) epithelial B.) mast cell C.) red blood cell D.) macrophage higher than death rate which of the following is generally expected to be true about birth rates in high infant mortality? A.) variable compared to death rate B.) equal to death rate C.) lower than the death rate D.) higher than death rate systolic which of the following is the contraction phase of cardiac cycle? A.) systematic circulation B.) pulmonary circulation C.) systolic D.) diastole consequently which of the following transitional expression should be used to show cause and effect? A.) for example B.) consequently C.) likewise D.) in other words alveoli which of the following are the sites within the human body where carbon dioxide and oxygen are exchanged ? A.) alveoli B.) arteries C.) synapse D.) venules to manipulate the independent variable which of the following describes the most important reason for repeating an experimental investigation? A.) to verify the validity of the original findings B.) to expand upon the original investigation C.) to manipulate the independent variable D.) to attempt to disprove the hypothesis 3 lithium has an atomic number of 3 and a mass number of 7. Which of the following is the number of protons in lithium atom? A.) 3 B.) 4 C.) 7 D.) 12 water molecule (Hp) which of the following molecules contains the fewest covalent bonds? A.) water molecule (Hp) B.) ammonia molecule (NH3) C.) Methane molecule (CH4) D.) chlorine molecule (Cl2) ionic bond when salt (NaCl) is added to water, it disassociates into Na+ and Cl-ions. Which of the following types of chemical bond is present in a salt molecule? A.) covalent bond B.) ionic bond C.) hydrogen bond D.) disulfide bond antigens through vaccination an example of active immunity is the transfer of: A.) antibodies through the placenta B.) immunoglobulins through breastfeeding C.) antigens through vaccination D.) immune cells through a blood transfusion proteins which of the following classes of biological molecules include enzymes? A.) carbohydrates B.) lipids C.) proteins D.) vitamins an artery moving blood from the heart to a muscle cell which of the following parts of the circulatory system carries oxygenated blood? A.)an artery moving blood from the heart to the lungs B.) a vein moving blood to the heart from the body C.) an artery moving blood from the heart to a muscle cell D.) a venue moving blood to the heart from the liver phenotype which of the following genetic terms describes an observation trait of an individual? A.) heterozygous B.) genotype C.) phenotype D.) homozygous meiosis mutations during which of the following processes in animals will affect offspring of succeeding generations? A.) meiosis B.) mitosis C.) translation D.) transcription ribosomes will not be bale to create protein which of the following will happen if mRNA fails to be translated? A.) the cells nucleus will produce more chromatin B.) ribosomes C.) mitochondria will release ATP D.) the cell will produce more mRNA transcription factors which of the following classes of biomolecules are frequently responsible for bringing about cell differentiation? A.) transcription factors B.) interleukins C.) cytokines D.) nucleotide transferases 7 which of the following is the pH when the concentration of hydrogen ions and hydroxide ions in an aqueous solution are equal? A.) 14 B.) 7 C.) 1 D.) 0 cell membrane which of the following structures is resent in both prokaryotic and eukaryotic cells? A.) Golgi apparatus B.) cell membrane C.) endoplasmic reticulum D.) chloroplast preventing backward flow of deoxygenated blood which of the following is the purpose of valves in the venous circulatory system? A.) promoting movement of oxygenated blood toward the heart B.) facilitating stasis of blood in the veins C.) propelling blood through the vena cava D.) preventing backward flow of deoxygenated blood ribosomes which of the following cellular organelles in the site of translation during protein synthesis? A.) cell membrane B.) nucleolus C.) Golgi apparatus D.) ribosomes stomach is to chyme in the digestive tract, mouth is to bolus as: A.) stomach is to chyme B.) gallbladder is to insulin C.) small intestine is too carbohydrate D.) esophagus is to peristalsis C6H6 (benzene) which of the following chemical is insoluble in water? A.) C6H6 (benzene) B.) HCI (hydrochloric acid) C.) NH3 (ammonia) D.) NaHC03 (sodium bicarbonate) thymine which of the following nitrogenous bases is found exclusively in DNA? A.) adenine B.) cytosine C.) guanine D.) thymine small intestine Both digestion and absorption happen in which of the following parts of the digestive system? A.) gallbladder B.) esophagus C.) stomach D.) small intestine nervous tissue which of the following tissues would send a message to the brain indicating that someone has touched something hot? A.) epithelial tissue B.) nervous tissue C.) muscle tissue D.) connective tissue catabolism cellular respiration of glucose is an example of which of the following? A.) anabolism B.) reverse osmosis C.) osmosis D.) catabolism 100% In pea plants, the allele for tall (T) is dominant to the allele for short (t). which of the following is the percent of offspring that will be tall if heterozygous plant (Tt) is crossed with a homozygous tall plant? A.) 100% B.) 75% C.) 50% D.) 25% gas an equal mass of which of the following states of matter could completely fill both a 100ml pr 500ml container? A.) gas B.) liquid C.) mixture D.) solid the nucleus of a single cell creates two new nuclei with DNA identical to the parent cell which of the following describes mitosis?