Teas Exam Practice: Science Portion 2023-2024 - Latest Update, Exams of Laboratory Practices and Management

Download Teas Exam Practice: Science Portion 2023-2024 - Latest Update and more Exams Laboratory Practices and Management in PDF only on Docsity!

Teas Exam Practice Science Portion 2023-

Version-Latest Update.

Inflammation, production of interferon, and ingestion of pathogens by phagocytes are nonspecific cellular responses by which of the following? A.) The internal aspect of adaptive immune system B.)Antibody-mediated immunity C.) The internal aspect of the innate immune system D.) Passive Immunity - > C.) The internal aspect of the innate immune system What feature of the adaptive Immune system decreases the amount of time it takes for the body to respond to a particular antigen? A.) Unbroken Skin B.) Memory Cells C.) Cytotoxic T-cells D.) Inflammation - > B.) Memory Cells Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never reaches the Purkinje fibers of the heart? A.) The atrial will not contract. B.) There will be an absence of systole. C.) The ventricles will not contract. D.) Diastole will shorten in duration - > C.) The ventricles will not contract. Which of the following blood vessels is identified by the letter "K" in the image? A.) Pulmonary Artery B.) Pulmonary Vein C.) Aorta

D.) Inferior Vena Cava - > A.) Pulmonary Artery Which of the following describes the link between damaged villi and malnutrition? A.) Damaged Villi decrease the nutrient- absorbing surface area in the gastrointestinal tract B.) If villi are damaged, the surface area of the stomach is decreased C.) Peristalsis of the Large intestine will be diminished D.) Damaged Villi cause gastric reflux disease - > A.) Damaged Villi decrease the nutrient- absorbing surface area in the gastrointestinal tract Which of the following organs is responsible for the majority of the chemical digestion and absorption of nutrients in the digestive system? A.)Large Intestine B.) Small Intestine C.) Liver D.) Pancreas - > B.) Small Intestine Contraction occurs when the thin____ filaments slide past the thicker____ filaments, causing the sarcomere unit to shorten or contract. A.) Actin; Myosin B.) Myosin; Axon C.) Axon; Actin D.) Dendrite; Axon - > A.) Actin; Myosin The endocrine system is a collection of ductless glands that produce which of the following responses? A.) A quickly initiating but prolonged response on other body systems B.) A slowly initiating and short response on other body systems C.) A quickly initiating and short response on other body systems

D.) A slowly initiating but prolonged response on other body systems - > D.) A slowly initiating but prolonged response on other body systems Which of the following glands has an exocrine function and aids in the regulation of blood glucose? A.) Adrenal B.) Pancreas C.) Thyroid D.) Pituitary - > B.) Pancreas Which of the following terms refers to the middle layer of the skin that is made of connective tissue? A.) Hypodermis B.) Keratin C.) Dermis D.) Epidermis - > C.) Dermis Which of the following is produced by the skin when a cholesterol-based precursor is modified by the presence of ultraviolet radiation? A.) Renin B.) Vitamin D C.) Sweat D.) Keratin - > B.) Vitamin D Which of the following types of bone cells perform mineral resorption? A.) Osteons B.) Osteocytes C.) Osteoblasts D.) Osteoclasts - > D.) Osteoclasts

Inside of adult long bones, yellow bone marrow is located within which of the following? A.) Lamellae B.) Medulla Cavity C.) Osteon D.) Spongy bone - > B.) Medulla Cavity Which of the following terms is used to refer to the anatomical plane of reference shown at the figure's waist, indicated by a light orange color? A.) Median Plane B.) Transverse Plane C.) Sagittal Plane D.) Coronal Plane - > B.) Transverse Plane Which of the following types of tissue serves to fasten and support body parts? A.) Connective B.) Nervous C.) Epithelial D.) Muscle - > A.) Connective Which of the following leaves the body via the vas deferens? A.) Gametes B.) Follicles C.) Zygotes D.) Corpora Lutea - > A.) Gametes Which of the following reproductive organs produce sperm in males and ova in females? A.) Follicles

B.) Prostate C.) Scrotum D.) Gonads - > D.) Gonads Which of the following is the term used to describe an action potential jumping from node to node in an axon? A.) Reverberation B.) Temporal summation C.) Saltatory Conduction D.) Ricocheting - > C.) Saltatory Conduction A polysaccharide can be described as which of the following? A.) A carbohydrate that is made of many sugar molecules B.) A molecule that is made up of many amino acid monomers C.) A macromolecule that makes up many lipid molecules D.) A polymer made up of many fatty acids bonded together - > A.) A carbohydrate that is made of many sugar molecules Which of the following is a chemical reaction between two molecules in which a water molecule is released and a covalent bond forms? A.) Hydrolysis reaction B.) Dehydration reaction C.) Exothermic reaction D.) Ionic reaction - > B.) Dehydration reaction If a DNA segment of GGA TAC ATA is used as a template for RNA, what will the sequence of bases be in the complementary codons? A.) CCT ATG TAT B.) GGA TAC ATA

C.) CCU AUG UAU

D.) CCG AGU GAG - > C.) CCU AUG UAU

Which of the following is a triplet of nitrogenous bases that codes for an amino acid? A.) Complementary strand B.) Template strand C.) Nucleotide D.) Codon - > D.) Codon Inheritance can be described as which of the following? A.) Spontaneous development of new traits in offspring B.) Transmission of characteristics to offspring C.) Sharing of characteristics with siblings D.) Transmission of characteristics to parent - > B.) Transmission of characteristics to offspring Genetic information describing the characteristics of an organism is found in which of the following? A.) Ribosome B.) Nucleus C.) Lysosome D.) Mitochondrion - > B.) Nucleus Which of the following best describes the result of mitosis? A.) New body cells that replace damaged body cells B.) Reproductive cells that can lead to a new offspring C.) Secretion of keratin used in nail and hair production

D.) New proteins that can be used to build structures in the cell - > A.) New body cells that replace damaged body cells Which of the following statements describes the function of ribosomes? A.) They are used by cells to protect strands of DNA. B.) They maintain lipid production and storage. C.) They facilitate protein synthesis D.) They convert food energy into cell energy. - > C.) They facilitate protein synthesis Which of the following statements correctly describes a major metabolic pathway? A.) Photosynthesis is a reductive, degradative pathway. B.) Respiration is an oxidative, degradative pathway. C.) Photosynthesis is an oxidative, synthetic pathway. D.) Respiration is a reductive, synthetic pathway - > B.) Respiration is an oxidative, degradative pathway. Atomic mass has a decimal because it is the average_____ of all the isotopes for a particular element. The atomic number of an element is the number of _______ in its nucleus. A.) Number of electrons; protons B.) Mass; Protons C.) Mass; Neutrons D.) Protons; Neutrons - > B.) Mass; Protons An atom that has lost an electron becomes______ in charge and is called a(n)______. A.) Positive; Anion B.) Negative; Cation C.) Negative; Anion D.) Positive; Cation - > D.) Positive; Cation

Which of the following statements is true about protons? A.) They can travel around the nucleus of an atom. B.) They can be shared with another atom in a covalent bond. C.) They can be transferred to another atom in an ionic bond. D.) They are located in the nucleus of an atom. - > D.) They are located in the nucleus of an atom. Which of the following is characteristic of a graph displaying the physical states of a substance under varying temperature and pressure? A.) Showing the "critical point" combination of temperature and pressure where a substance can exist in all three phases. B.) Showing the relationship between temperature and the energy change of a substance (in kJ) C.) Having temperature and pressure as its axes and is called a boiling point diagram. D.) Having temperature and pressure as its axes and is called a phase diagram. - > D.) Having temperature and pressure as its axes and is called a phase diagram. Each element's atomic number is determined by the number of which of the following types of particles in each atom? A.) Protons B.) Electrons C.) Neutrons D.) Ions - > A.) Protons Which of the following best describes the mass of an object? term- 32 A.) A chemical and intensive property B.) An extensive property and physical property

C.) A physical property and intensive property D.) An intensive and extensive property - > B.) An extensive property and physical property The number of which of the following particles will differ for each isotope of the same element? A.) Electrons orbiting its nucleus B.) Ions that it can produce C.) Neutrons in its nucleus D.) Neutrons orbiting its nucleus - > C.) Neutrons in its nucleus Which of the following characteristics applies to the bonds holding together nonpolar covalent molecules? A.) They share electrons between atoms and result in a balanced distribution of charges throughout the molecule. B.) They share electrons between oxygen atoms of two different water molecules. C.) They hold water molecules in hydrogen bond associations that increase in number as temperature decreases. D.) They are made from the joining of oppositely charged ions that develop with electron transfer. - > A.) They share electrons between atoms and result in a balanced distribution of charges throughout the molecule. Which of the following is the appropriate prefix to measure the amount of space taken up by a penny? A.) Kilo B.) Milli C.) Micro D.) Deca - > B.) Milli

Which of the following is a true statement about SI Units? A.) The term "SI Units" is an abbreviation for the phrase Scientific Instrument Units. B.) SI Units are part of a standard system of Measurement that is used in Science. C.) When using SI Units, indicating magnitude may include conversion between yards and miles. D.) Prefixes used with SI units are unique to whether magnitude is being indicated for mass, Length, or volume. - > B.) SI Units are part of a standard system of Measurement that is used in Science. In which of the following scenarios is empirical data being collected? A.) Nina discovers that she has cut too many green square pieces of fabric for the quilt she is working on. B.) Camile imagines that it will be best for her to grow tomatoes in the front garden this year. C.) Ian writes down his conclusions about why he is able to ride his bike faster than his sister. D.) Samantha counts the number of school busses that pass her house on Monday between 2:00 pm and 3:00 pm. - > D.) Samantha counts the number of school busses that pass her house on Monday between 2:00 pm and 3:00 pm. Which of the following is a requirement in order to develop a sound conclusion? A.) Data collection that is both accurate and biased B.) Data that reflects the effect (or lack of effect) of the dependent variable C.) Data that is collected from a scientific experiment instead of a correlational study

D.) Data that is collected from an experiment that includes a control - > D.) Data that is collected from an experiment that includes a control Which of the following statements is true about understanding magnitude when describing relationships? A.) Unit of scale is insignificant when describing relative quantity B.) A micrometer is smaller than a centimeter, and a centimeter is smaller than a kilometer. C.)It is reasonable to omit units of measure when describing quantitative relationships. D.) Magnitude is characteristic of qualitative data - > B.) A micrometer is smaller than a centimeter, and a centimeter is smaller than a kilometer. Which of the following is an example of a hypothesis? A.) As the dog ran around the tree, he continued to bark. B.) One cup of soda was added to each of the plants in one group C.) There are ten kinds of birds outside my kitchen window D.) If a plant is watered with acid ran, it will grow more slowly. - > D.) If a plant is watered with acid ran, it will grow more slowly. Students are designing an experiment to test the affect of drinking lemonade on the number of sit-ups they are able to perform. Which of the following is the dependent variable? A.) Drinking Lemonade B.) Drinking Water C.) Number of sit-ups

D.) Time between sit-ups - > C.) Number of sit-ups Which of the following options correctly matches the SI Unit with an appropriate measurement device? A.) A graduated pipette measures grams. B.) A beaker measures ounces. C.) An analytical balance measures meters. D.) A thermometer measures kelvins - > D.) A thermometer measures kelvins Which of the following variables is manipulated during an experiment? A.) Control B.) Independent C.) Dependent D.) Extraneous - > B.) Independent