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Teas 7 202 5 Questions and Answers
Made 3- 7 - 2025
How are carbohydrates used by the body? Choose ALL answers that apply. -
structure (Answer)
Communication (Answer)
storage (Answer)
Recognition What type of immunity does a vaccine provide? Choose only ONE best answer. -
- naturally acquired passive immunity
- Artificially acquired passive immunity
- Naturally acquired active immunity •Artificially acquired active immunity`(Answer) Which organs and/or glands are superior to the liver? Choose ALL answers that apply. -
- Lungs (answer)
- Parathyroid gland (answer)
- Kidneys
- Thymus (answer) Which cavity contains all of the frontal cavities? Choose only ONE best answer. -
- Dorsal
- Thoracic
- Abdominopelvic
- Ventral (Answer) Which of the following carry oxygenated blood? Choose ALL answers that apply. -
- Pulmonary artery
- Pulmonary vein (Answer)
- Aorta (Answer)
- Superior vena cava Which of the following are disaccharides? Choose ALL answers that apply. -
- Sucrose (Answer)
- Glucose
- Cellulose
- Lactose (Answer)
Which body system is responsible for the transport of dissolved oxygen from the lungs to the spleen? -
- Immune
- Endocrine
- Respiratory
- Cardiovascular (Answer) Which condition can lead to blood clots and stroke? -
- Aneurysm
- Arrhythmia (Answer)
- Asthma
- Hypertension A botanist wants to determine if environmental temperature affects root growth. In her experiment,she creates 4 rooms at temperatures that vary by 5 degrees F. Each room gets 20 seedlings of the same species, which she grows on agar plates for 60 days. Once a day, she measures the length of each seedling's root. At the end of 60 days, she compares the length of the roots with the room temperature. She finds the room with the lowest temperature produced the longest roots. What is the independent variable in this study? -
- Temperature (Answer)
- Seedlings
- Light
- Root length Which of the following can act as enzymes in the body? -
- Globular proteins (Answer)
- Lipase (Answer)
- Amylase (Answer)
- Glucagon Which of the following is the carbohydrate monomer? -
- Disaccharide
- Lactose
- Monosaccharide (Answer)
- Thymine Which of the following are true about water? -
- Water has polar covalent bonds. (Answer)
- Water has a neutral pH of 7. (Answer)
- Water has a low specific heat capacity. • Water as a solid is less dense than water as a liquid. (Answer) Hydrophobic proteins often provide which function in the body? -
- Digestive enzymes
What type of tissue protects the respiratory system's trachea? -
- Bone
- Cartilage (Answer)
- Collagen
- Keratin Which of the following are examples of covalent bonds? -
- H₂O (Answer)
- NaCl
- C₆H₁₂O₆ (Answer)
- MgO Which of the following is an example of Mendelian inheritance? -
- Incomplete Dominance
- Polygenic Alleles
- Combination Inheritance
- Recessive Inheritance (Answer) Which of the following are globular proteins? -
- Antibody (Answer)
- Enzyme (Answer)
- Hemoglobin (Answer)
- Keratin What type of bond connects amino acids? -
- Covalent
- Peptide (Answer)
- Ionic
- Hydrogen What is the name for a microorganism that lives on or in the human body and normally causes no disease or harm? -
- Bacteria
- Commensal Microorganism (Answer)
- Microorganism
- Host Which of the following infectious diseases can be caused by a viral infection? -
- COVID19 (Answer)
- Varicella (Answer)
- Mumps (Answer)
- Measles (Answer) You are a nursing student and are triaging a patient. Which of the following is an example of quantitative data you can gather? -
- The patients say he feels pain.
- The patient says he has stabbing pain in his right lower abdomen.
- The patient's temperature is 101.7 degrees F. (Answer)
- The patient reports that he had a fever yesterday Which of the following are examples of steroids in the human body? -
- Cholesterol (Answer)
- Testosterone (Answer)
- Cortisol (Answer)
- Estradiol (Answer) What of the following factors influence the rate of a chemical reaction? -
- Temperature (Answer)
- Pressure (Answer)
- Concentration of reactants and substrate (Answer)
- Any catalysts (Answer) Which of the following infectious diseases can be caused by bacteria? -
- Tuberculosis (Answer)
- Cholera (Answer)
- Varicella
- Influenza During which of the following stages does crossing over occur? -
- Mitosis Prophase
- Meiosis Prophase I (Answer)
- Meiosis Prophase II
- Interphase Which of the following is correct based on anatomical terms? -
- The shoulder joint is proximal to the neck.
- The elbow joint is superior to the shoulder.
- The thoracic vertebrae are superior to the cervical vertebrae. • The thumb is on the lateral aspect of the hand. (Answer) Which of the following is a genetic condition that affects the respiratory system? -
- Asthma (Answer)
- Cystic fibrosis (Answer)
- Mycosis
- Surfactant Deficiency (Answer) A particular atom is uncharged, and it has an electron configuration of 1s2 2s2 2p⁶ 3s and a mass number of 14. How many protons does it have? -
- 14
- 6
- 8
An allergic reaction is a function of overactive mast cells in the body, which are stimulated by Immunoglobulin E. (ANSWER)
An allergic reaction involves proteins like histamine, keratin and collagen Alkali metals are in which group of the periodic table? - •Group 1 (ANSWER) •Group 2 •Group 7 •Group 8 Which term refers to a molecule of DNA and structural protein? - •Lysosome •Centrosome •Chromosome (ANSWER) •Genome If Silicon (Si) has an atomic mass of 28.1 AMU (atomic mass units), which of the following is the most likely number of neutrons an atom of Silicon would have? - •28. •14 (ANSWER)
•14. Which neuromuscular system controls voluntary movement? - •Autonomic •Somatic (ANSWER) •Sympathetic •Parasympathetic Which of the following is another name for a sweat gland? - •Ceruminous •Sebaceous •Sudoriferous (ANSWER) •Integumeous Which of the following is another name for the voice box? - •Alveoli •Larynx (ANSWER) •Trachea •Pharynx Which term refers to the relaxation of heart muscle? - •Diastole (ANSWER)
•Systole •Asystole •Cardiastole What is located in the skin's dermis? - •Blood vessels (ANSWER) •Nerve endings (ANSWER) •Collagen (ANSWER) •Melanocytes Fat is primarily digested in the (BLANK) and protein is primarily digested in the (BLANK)
- •mouth; stomach •stomach; small intestine , and protein is primarily digested in the •small intestine; small intestine •small intestine; stomach (ANSWER) Which of the following produces the first heart sound ("lub")? - •The closing of the aortic and pulmonary valves •The closing of the tricuspid and mitral valves (ANSWER) •The opening of the aortic and pulmonary valves •The opening of the tricuspid and mitral valves Following the scientific method, which steps would be done before gathering qualitative data? - •Communicate with a scientific journal •Define the problem (ANSWER) •Develop a hypothesis (ANSWER) •Categorize data for statistical analysis Which hormone is released by the pituitary? - •Estrogen •Luteinizing Hormone (ANSWER) •Progesterone •Testosterone Which of the following does not describe a general trait of macromolecules? - •They can be single chains. •They can be branched. •They all contain carbon, hydrogen, and phosphorus. (Duplicate ANSWER) •They all are used by the body. The kidneys reabsorb water, salts, and nutrients and return them to the body through which structure? - •Renal artery
- Phosphate group (Answer) How does renin regulate blood pressure? -
- It signals the collecting ducts to expel more urine.
- It affects the amount of water and salt stored or released by the body. (Answer)
- It signalsthe heart to reduce itssystole contraction.
- It relaxes blood vessels. Which of the following has an acidic pH? -
- Blood
- Urine (Answer)
- Salt water Which of the following are properties of a liquid? -
- Fixed volume (Answer)
- Low pressure
- Takes shape of container (Answer) Which cavity is primarily lined by the peritoneum? -
- Abdominal (Duplicate Answer)
- Dorsal
- Ventral
- Thoracic A veterinarian student designs a study to examine the nutritional qualities of dog food. She believes that a grainfree diet can affect dog health. She selects 3 of the topselling dog food brands for her study. From a local humane society,she selects several chihuahua puppies under the age of 1 year. She will track these puppies for the next year and access their health, include weight, complete blood count, and paw size. Three puppies will be fed nothing but brand #1 dog food, 10 puppies will only be fed Brand #2, and 10 puppies will only be fed Brand #3. How the researcher best improves this experiment? -
- The experiment should include 7 more dogs for the Brand #1 group.
- The daily serving size of kibble should be controlled.
- The experiment needs a clearly defined control of puppies.
- All of the above are ways to improve the experiment. (Answer) Which of the following is changed during a scientific investigation? -
- The control.
- The hypothesis.
- The independent variable. (Answer)
Which of the following are true about the dependent variable? -
- A factor that remains constant during the experiment
- A factor with data typically plotted on the xaxis
- A factor that is measured during an experiment (Answer)
- A factor with data typically plotted on the yaxis (Answer) Which two types of elements will most likely form an ionic bond? -
- Two elementsthat are in the same period.
- Two elementsthat are nonmetals and have p orbitals.
- One element that is a transition metal with d orbitals and one element that is a metal with s orbitals.
- One element that is a metal with s orbitals and one element that is a non metal with p orbitals. (Answer) Which of the following is in the pelvic cavity? -
- The kidneys
- The colon (Answer)
- The bladder (Answer)
- The rectum (Answer) Water is considered a universal solvent due to its. -
- Cohesion
- Adhesion (Answer)
- Molarity
- Dilution What best measures the volume of a cube? -
- Triple beam balance
- Measuring wheel and mathematical formula (Answer)
- Graduated cylinder
- Measuring wheel How many pairs of chromosomes are in a human cell? -
- 46
- 23 (Dupe double checked Answer)
- 64
- 32 Which of the following are true about Noble gasses? -
- They are nonreactive. (Answer)
- They are highly reactive.
- They have 8 valence electrons. (Answer)
- They have 7 valence electrons. Which of the following macromolecules will always contain nitrogen? -
- Fatty acid
Which means of calculating concentration depends on pressure? -
- ppm
- ppb
- molarity (Answer)
- molarity, ppb, and ppm A veterinarian student designs a study to examine the nutritional qualities of dog food. She believes that a grainfree diet can affect dog health. She selects 3 of the topselling dog food brands for her study. From a local humane society, she selects several chihuahua puppies under the age of 1 year. She will track these puppies for the next year and access their health, include weight, complete blood count, and paw size. Three puppies will be fed nothing but Brand #1 dog food, 10 puppies will only be fed Brand #2, and 10 puppies will only be fed Brand #3. What is the independent variable in this experiment? - Time Dog weight Dog species Dog food type (Answer) A scientist wants to conduct qualitative research. Which method should she use? -
- Collecting patient narratives (Answer)
- Tracking the dosage of a drug and its blood levels in the patient
- Observing a patient's physical changes (Answer)
- Writing journal notes about the research experience (Answer) Which of the following are functions of the kidney? -
- Release cortisol
- Maintain water homeostasis (Answer)
- Filter blood of salt, nutrients, water, and waste (Answer)
- Store urine (waste from digestive system from protein breakdown) Which of the following is a role of folliclestimulating hormone? -
- Triggersthe production of testosterone
- Stimulates development of ova (Answer)
- Stimulates development of sperm (Answer)
- Triggers ovulation Which organ makes insulin and glucagon? -
- Salivary Glands
- Liver
- Gallbladder
- Pancreas (Answer) If an atom has 32 neutrons, 17 protons and 19 electrons, what is its charge? -
- Positive
- Negative (Answer)
- Neutral
- Cannot be determined. How does AIDS cause a failure in the immune system? -
- Helper TCells can't activate Cytotoxic TCells or BCells. (Answer)
- IgE makes mast cells release too much histamine.
- IgE makes mast cellsrelease too little histamine.
- Helper TCellstrick the body into attacking itself. A scientist wants to conduct quantitative research. Which method should she use? -
- Collecting patient narratives.
- Tracking the dosage of a drug and its blood levels in the patient. (Answer)
- Observing a patient's physical changes.
- Writing journal notes about the research experience. Which of the following is NOT true about DNA? -
- DNA contains the nucleotides A, T, C, G and is read 5' to 3'.
- DNA contains genetic information and is tightly coiled with protein to form chromosomes.
- DNA contains the nucleotides A, T, C, G and isread 3' to 5'. (Answer)
- DNA is a doublestranded molecule that is connected by hydrogen bonds. Which region of the small intestine is the primary site of absorption? -
- Duodenum
- Jejunum (Answer)
- Ileum
- Cecum What some examples of proteins in the human body? -
- Keratin (Answer)
- Hemoglobin (Answer)
- Enzyme (Answer)
- Chitin What step of the scientific method must come before generating a hypothesis? -
- Collecting and organizing data.
- Communicating the results in a scientific journal.
- Conducting an experiment.
- Researching previous studiesfor background. (Answer) An FBI agent has spent her career studying individual serial killers. From this data, she creates a theory about the traits of these killers. What type of reasoning has she used? -
- Deductive Reasoning
- Conductive Reasoning
•As volume decreases, density increases. (Answer) •An object's mass does not affect its density. •As volume decreases, mass increases. Which term refers to the mechanical act of breathing? - •Diffusion •Perfusion •Respiration •Ventilation (Answer) What do lacteals absorb? - •Carbohydrates
- Lipids (Answer) •Proteins •Nonpolar nutrients Which of the following indicates the body's draining of clear fluid throughout the body in order to protect it from infection? - •Pulmonary Loop •Systemic Loop •lymphatic System (Answer) •Immune System Which of the following is a pathology caused by a virus? - •Asthma •Cystic Fibrosis •Epiglottitis •Influenza (Answer) A botanist wants to determine if environmental temperature affects root growth. In her experiment, she creates 4 rooms at temperatures that vary by 5 degrees F. Each room gets 20 seedlings of the same species, which she grows on agar plates for 60 days. Once a day, she measures the length of each seedling's root. At the end of 60 days, she compares the length of the roots with the room temperature. She finds the the room with the lowest temperature produced the longest roots. Which of the following is best identified as a hypothesis? - •The environmental temperature can affect the growth of a plant's root. (Answer) •Plants need light to grow. •A colder environment produces longer roots. •Plants need 60 days in order to grow their roots. Which of the following often contains a carboxyl group? - •Carbohydrate
•Glycolipids •Amino Acid (Answer) •DNA What might happen if blood sugar begins to drop in the human body? - •The pancreas releases insulin. •The liver releases stored glucose. (Answer) •The liver stores glucose as glycogen. •The pancreas releases glucagon (Answer) Which is a function of the liver? - •Makes bile (Answer) •Stores bile •Turns waste ammonia into urea (Answer) •Filters and detoxifies products of digestion (Answer) Which of the following is an end product of cellular respiration? - •Oxygen •ATP energy (Answer) •Carbon dioxide (Answer) •Water (Answer) Which of the following are true about human diploid cells? - •Diploid cells contain two sets of homologous chromosomes from 1 parent. •Human diploid cells have 46 chromosomes. (Answer) •Human diploid cells have 23 chromosomes. •Diploid cells contain two sets of homologous chromosomes from each parent. (Answer) •Diploid cells are most cells in the human body. (Answer) •Diploid cells are gametes. Which of the following ratios are examples of Mendelian inheritance? - •2: •3:1 (Answer) •9:3:3:1 (Answer) •3:3:9: The _____variable is measured as a possible effect and is plotted on the ____axis. - •Independent, x variable is measured as a possible effect and is plotted on the •Independent, y •Dependent, x •Dependent, y (Answer) What type of bond is in a salt? - •Ionic (Answer) •Nonpolar covalent
At which step in the scientific method might a scientist create a model? - •Hypothesis •Data analysis •Experimentation •Conclusion (Answer) What is hydroxyapatite? - •A mixture of minerals like calcium and phosphorus that strengthen the collagen matrix of bone. (Answer) •The structural unit of a bone that runs the length of the bone. •The covering of bones at the point of articulation to prevent grinding. •The lightest portion of a long bone and concentrated at the ends. What are the three main regions of the kidney? - •Cortex (Answer) •Renal arch •Renal pelvis (Answer) •Medulla (Answer) Which number stays constant despite possible changes to the element? - •Atomic number (Answer) •Number of electrons •Atomic mass •Isotope form Which structure of the endocrine system matures T-Cells? - •Hypothalamus •Pineal •Thymus (Answer) •Thyroid KCl is an example of which type of bond? - •Ionic bond (Answer) •Covalent bond •Hydrogen bond •Polar Covalent Which of the following is an example of a nonspecific defense? - •Skin (Answer) •Macrophages •T-cells (Answer) •Fever (Answer) Consider the graph which represents a botanist's data of root growth. On which axis would she label with centimeters? -
•X-axis •Z-axis •Y-axis (Answer) •The graph label What do the proximal and distal convoluted loops do? - •They collect urine before it travels to the bladder. •They filter water and nutrients and excrete them as waste. •They filter water and nutrients and absorb them back into the body. (Answer) •They use blood pressure to filter platelets out of the blood. Which of the following is an example of qualitative data? - •Observation (Answer) •Questionnaire ranking (Answer) •Interviews •Longitudinal studies (Answer) Which type of bone cell is the most mature? - •Osteocyte (Answer) •Osteoclast •Osteoblast •Osteon Which structure in the brain links electrical messages of the nervous system to the chemical messages of the endocrine system? - •Hypothalamus (Answer) •Medulla oblongata •Pineal •Pituitary Which structure in the brain links electrical messages of the nervous system to the chemical messages of the endocrine system? - •Hypothalamus (Answer) •Medulla oblongata •Pineal •Pituitary Which of the following is an intensive physical property of matter? - •Melting point (Answer) •Boiling point (Answer) •Density •Luster (Answer) What is the difference between the apocrine glands and the eccrine glands of the skin's dermis layer? - •Apocrine glands are a type of sebum gland; eccrine glands are a type of sudoriferous
