ATI TEAS 7 SCIENCE EXAM, QUESTIONS & ANSWERS 2022

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ATI TEAS 7 SCIENCE EXAMATI TEAS 7 SCIENCE EXAM ATI TEAS 7 SCIENCE EXAM ATI TEAS 7 SCIENCE EXAM ATI TEAS 7 SCIENCE EXAM ATI TEAS 7 SCIENCE EXAM ATI TEAS 7 SCIENCE EXAM ATI TEAS 7 SCIENCE EXAM ATI TEAS ... 7 SCIENCE EXAM ATI TEAS 7 SCIENCE EXAM Which of the following questions is the student investigating? What effect do different concentration of solute have on freezing point Which of the following body systems breaks down protein into Amino Acids? Digestive Which structure in male reproductive system secretes fluid and protects sperm? Prostate gland Which of the following describes the function of a Neuron? Transmits Sensory Information Which occurs during Thermoregulation to Increase body temperature Body shivers Which of the following hormones increases the heart rate in response to stress? Epinephrine Which of the following cells has the ability to engulf other cells? Macrophages While playing Basketball, a player injures her achilles tendon? Which tissue is injured? Connective Tissue NAD+2e- + H+ ---> NADH which describes the reaction above? Reduction of NAD Which of the following processes causes most of the carbon dioxide from the to move into Alveoli? Diffusion Where does Aerobic Respiration occur? Mitochondria Which of the following is the Sphincter muscle that regulates movement of Chyme? Pyloric Sphincter Blood clotting involves Which of the following? Fibrinogen Which of the following types of membrane is associated with the skin? Cutaneous Which of the following types of bonds link base pair Nucleotide within a double strand of DNA? Hydrogen Which of the following occurs when the Diaphragm contracts? Thoracic Cavity Increases in Volume Which of the following structures is severed and tied off as part of Vasectomy Procedure? Vas Deferens Which of the following chemicals is released by one type of immune cell to directly activate another type of immune cell? Cytokines Which of the following portions of the neuron transmits Neurotransmitter? Axon Which of the following organic compounds are used to Manufacture Steroid hormones in the body? Cholesterol The system of interconnected tubes involved in protein production is? Rough Endoplasmic Reticulum Which of the following correctly shows the order in which the filtrate moves through the structures of the nephron? Proximal-loop-Distal-Collecting What is Homeostasis? Self-Regulating process by which an organism tends to maintain stability while adjusting to conditions If damages occur to the Alveoli of the lungs, which of the following is true? Blood would not return from lungs to the heart Which of the following statements best supports the hypothesis that the virus can cause cancer? Genes that regulate cells division are found in some viruses The flow rate of gas through a tube is proportional to the diameter of which human respiratory system does it flow fastest? Trachea Genetic Information describing characteristics of organisms is found in? Nuclei Which protects Ultraviolet Radiation? Melanin Red Bone Marrow? Found in Flat bone and produces all elements When you are breathing normally exhalation results mainly from? Relaxation of chest and diaphragm Which organ filters excess solutes from blood? Kidney What endocrine gland produces Insulin? Pancreas Inhalation of humans is achieved by? Contraction of diaphraphm moves downward What connects Uterus and vagina? Cervix The Vermiform appendix extends from a large intestine called? Caceum Which is a long bone? Femur What muscle movement has synapse in it rather than the brain? Reflect Arc Which organelle packages and forms protein in the cell refines proteins manufactured by ribosomes? Golgi Apparatus Which can digest Enzyme? Protease Which organ shrinks in size as people age? Thymus Smallest of Blood Vessels? Capillaries Which has the highest boiling point? Water Blood enters then then? Arteries, Arteolies, Capillaries What hormone mediates the flight response? Epinephrine Oxygen moves from blood into fluid and then to body cells because? Diffuses from highest to lowest. Modify a hypothesis? Warm infection reduces severity of Auto disorder Which of these is Water Solute? Globular Protein Which is not a function of the skin? Production of Red Blood Cells Who is responsible for lowering of the blood glucose levels? Insulin Secreted B cells Which are the sites within the body where carbon dioxide and lungs move between blood streams? Capillaries aloud blood through Alveoli The arteries that supplies to the heart? Coronary Arteries Which vitamin is produced by the skin in response to ultraviolet light? Vitamin D Gonadotropin? Luteinizing follicle hormones Which of the following is the layer of skin that forms protective waterproof barriers Which best describes protection from Antigens due to Passive Immunity? Mother passes antibodies through breast milk What is the function of pores in the Nuclear Membrane? Permitting Passage of molecules in and out Which of the following is not an endothermic process? Condensation Which of the following substances is secreted by sweat glands in response to the breakdown of protein and the formation of ammonia? UREA Which of the following Digestive Structure releases Amylase? Salivary Gland An individual cell is able to make copies of its genetic information but is unable to produce encoded proteins this indicates? Ribosomes What is the pericardial cavity? Is located in the ventral cavity Where is Adipose tissue found? It is connective tissue located between the skin During intramembranous bare formation? Osteoblast secrets in Matrix of bare Most Ca2 is transported to lungs in which way? A bicarbonate ions What is Norepinephrine? Increases heart rate and blood pumping It treats low blood pressure and heart failure Oxygen is mostly transported through the body by? Band to hemoglobin An example of Active immunity is the transfer of? Artizens through vaccination What is the stratum corneum? The outermost epidermal layer consists of dead cells and is the major barrier to chemical transfer through the skin. What part of the body makes WBC? Bone Marrow Describe the order of events in which bone fracture heels? hema-fibro-bony-heals -remodel Which of the following is the sphincter muscle that regulates the movement of chyme into a small intestine? Pyloric sphincter The process cephalization allows for which of the following? Localizing sensory organs Which of the following occurs when the thyroid gland releases calcitonin? Building of the bones occur The insulating sheath that facilitates rapid movement of the action potential down of the axon is known as which of the following? Myelin An equal mass of which of the following states of matter could completely fill either 100 ml or 500 mlo container? Gas What are lymphatic capillaries that absorb fat? Lacteals Hormones that your brain produces in response to darkness timing circadian rhythms Melatonin Which occurs along proximal tubules of nephrons? Glucose, lactate, and amino acids are absorbed What are the two major parts of the nervous system? Central nervous Peripheral What reaction yields a net absorption of free energy? Endergonic reaction Once ovulation occurs, the corpus luteum forms, Which of the following describes the function of the corpus luteum? Corpus luteum secretes progesterone to thicken What is the function of the circulatory system ? Distribute nutrients, blood, and oxygen to the body’s organs and tissues To break down toxins A scientist predicts that germination beans will use more oxygen than non-germinating beans. The prediction is referred to as which of the following? Hypothesis Which part of the brain regulates breathing, digestion, heart rate? Medulla oblongata Which of the following hormones regulates blood calcium levels Parathyroid hormone A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure into humans. Which of the following preliminary steps should the scientist take before conducting a controlled experiment? Review other work In a hypertonic solution, water flows through aquaporins embedded in the plasma membrane of the cell. This type of transport is best known as which of the following? Osmosis Which of the following cellular organelles releases the energy contained in food? Mitochondria Scientists rely on which of the following to provide critical feedback when revising scientific explanations? Peer Review Hair follicles are found in the layer skiing called? Dermis Which of the following is the primary function of red blood cells? Carrying oxygen to other blood cells Which of the following is the term for the gap between two nerves cells? Synapse Which of the following is the contraction phase of the cardiac cycle? Systolic What structure stores urine before euception? Bladder Which of the following distinguishes endocrine and exocrine glands from one another? The presence or absence of ducts Which of the following is generally expected to be true about birth rates in relation to death rates for a country with growing population and high infant mortality? Birth rates are higher than death rates Which of the following body systems is the primary system involved in preventing an infection when a cut in the skin allows bacteria to enter the body? Immune system The renal vein is the structure through which blood exits the kidney resulting in low pressure What is hypodermis? Third when skin is fatty The parathyroid is a compound of what organ system? Endocrine Steps to scientific method? Observe, questions, predict, collect data, conclude What is an irregular shaped bone? Vertebra Which of the following describes protection from antigens due to passive immunity? A mother passes antibodies to her child through breast milk In which of the following organs does meiosis occur? Ovaries Which of the following parts of the central nervous system releases chemicals that regulate the pituitary gland? hypothalums Why do cells undergo differentiation? Cells express alternate genetic information An example of active immunity is the transfer of? Antibodies through the placenta Which part of the brain regulates breathing. Heart rate, wakefulness? Brain Stem What is the function of the integumentary system? Protection Excretion Production of antibodies After crossing two tall pea plants, a scientist notes that approximately ¾ are tall, while approximately ¼ are short. The scientist is noting the offsprings Phenotype Which of the following is correct regarding the PH Scale? Substance with a ph 3 is 10 times as acidic as a substance with a ph of 4 What organelle is the site of intracellular digestion? Lysosomes What composes the rings that support the trachea? Hyaline cartilage What cavity is lined by connective tissue peritoneum ? Abdominal cavity In which of the following structures of the respiratory system does the majority of gas exchange occur? Alveoli Urea is derived from which of the following? Breakdown of amino acids in the liver What causes goosebumps? Pilorecter Which of the following is a hinge joint? Jaw What is responsible for balance? auditory nerve Which organic molecule contains both amino and carboxyl group? Protein Which structure delays messages? Thallium What is covalent bond? Share What occurs when epiglottis does not function? A person coughs because food goes into trachea A researcher is gathering large amounts of data about patients who have common disease and the effectiveness of various medications in comparison to a placebo. Which of the following types of graph is the best way for the researcher to present data? Bar Graph Which of the following Structures is shared by the male urinary and genital system? Urethra Which of the following is a response to the release of antidiuretic hormone (ADH)? Water reabsorption increase of collective dust What integumentary structure produces sweat? sudoriferous gland In a double circulatory system, which of the following describes possible pathways of blood flow through pulmonary circuit? Oxygenated blood flows toward the heart from the lungs Which of the following substances is secreted by sweat glands in response to the breakdown of proteins and the formation of Ammonia? Urea What volume prevents backflow of blood from the arteries to the ventricle? Aortic and pulmonary semilunar valves Which of the following describes how RNA and DNA are used in mitosis? Leads to synthesis of protein that assist in the cell replication Which of the following describes results using a catalyst in a chemical reaction? Reaction is completed in a shorted amount of time A blood sample taken from a p+ who has infection can be expected to show? Elevated white blood cells What organelles contain its DNA and protein synthesis? Chloroplast A doctor explains to a patient he pulled a muscle in his back what could have been injured? Latissimus dots When normal atmospheric conditions are present water is cycled between liquid and gaseous states which process? Evaporation and condensation An efficient way to block protein synthesis is by inhibiting. Which of the following? Ribosomes Lithium has an atomic number of 3 and a mass number 7. Which of the following is the number of protons? 3 protons Which of the following elements has the smallest atomic radius? C -Carbon Which of the following properties of water explains its solvent abilities for certain substances? Polarity of water molecule A student conducts an experiment in which he dissolves 1 gram each of several substances in 50 ml of water. He has 12 identical plastic cups of water. He places 12 identical plastic cups of water. He places 1g of salt into 3 of the cups, 1 g of sugar into 3 of the cups, and 1g of baking soda into 3 of the remaining cups. The 3 remaining cups contain only water. He places all the cups in a freezer and records the water in each cup every 15 minutes 4 hours. Which of the following question is the student mostly likely investigating? (Line graph) What effect do different concentration of solute have of the freezing point of water. During a 56-week test 3731 patients participated in a double-blind trial. Participants did not have type 2 diabetes mellitus. One group of participants received once-daily subcutaneous injections of liraglutide at a dose of 3.0mg. The other participants received a placebo. Both groups received counseling on lifestyle modification. At the end of the 56 weeks, the body weight of each participant was determined. Which of the following best indicates the question that was being investigated in the study? How does lifestyle modification counseling affect body weight Histones are proteins associated with which of the following? DNA Which of the following types of cells suppress immune responses? Regulatory T Which of the following hormones is responsible for regulating sodium reabsorption in the kidneys? Aldosterone Which of the following organs filters excess solutes from the blood? Kidney When experimental results seem to only partly support a hypothesis, a researcher should consider which of the following? Exploring alternative explanations Which of the following types of cells are most similar in function to cytotoxic T-cells? Natural killer cells Sunlight can damage epithelial cells of the skin, but limited exposure to ultraviolet radiation results in the beneficial production of which of the following? Vitamin D Which of the following substances is secreted by sweat glands in response to breakdown of Ammonia? Urea Metabolism is known as which of the following types of respiration? Cellular respiratory Which of the following statements describes how bile salts aid during digestion? Decreases size of starches Which of the following digestive system structures releases sodium bicarbonate into the small intestine, resulting in a change in the PH of chyme from acidic to basic? Pancreas A cell is placed in a hypertonic solution which of the following describes the resulting Osmosis? There is a net flow of water out of the cell Which of the following regions of the body are the Tibia and Fibula? Crural Regions The process by which gametes combine to form a Zygote is called which of the following? Fertilization A student investigates the importance of wavelengths above 2nd below the visible? Wavelength of light is the only variable Which of the following organs releases bicarbonate as a response to the release of Secretin by the Duodenum? Pancreas Ice cubes are placed in a glass of water to cool the water.The cooling effect of the ice cubes on the water is due to the heat? From water to Ice by conduction Which of the following is an efferent neuron that is responsible for releasing a neurotransmitter that stimulates muscle cell to contract? Motor Neurons Which of the following pathway best represents the expected flow of blood from the human heart to an organ? Blood pumps from heart enters Arteries to Arterioles to Capillaries Which of the following structures in the male reproductive system a fluid that nourishes and protects sperm? Prostate Gland In a plant which Fuzzy leaves (F) are dominant over smooth leaves (f), which of the following crosses will produce ONLY offspring with SMOOTH leaves? ffxff Which of the following stem cells can differentiate into the largest number of different type cells? The sinoatrial node is where the heartbeat originates in a normally functioning cardiovascular system. It is considered the [Show More]

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