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Full SCIENCE SECTION TEAS EXAM 2026, Exams of Nursing

A.T. Still University of Health Sciences (ATSU)Nursing

Full SCIENCE SECTION TEAS EXAM 2026 Full SCIENCE SECTION TEAS EXAM 2026 Full SCIENCE SECTION TEAS EXAM 2026

Typology: Exams

2024/2025

Available from 08/09/2025

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Full SCIENCE SECTION TEAS
EXAM
2024
1. What are the three types of salivary glands and where are they
located in the mouth? -
correct answer
- Parotid, sublingual, and
submandibular glands located in the roof of the mouth, cheeks, and
under the jawbone, respectively.
1. Which of the following substances is excreted by the kidneys to regulate
blood pressure? -
correct answer
- Renin
1. What is the chemical formula for water? -
correct answer
- H20
1. Which of the following units is used to indicate length? -
correct answer
M
researcher collects data on the number of cars passing through a busy
intersection at different times of the day for a month. This data would be
most useful to analyze which of the following:
-
correct answer
- traffic patterns during rush hour
1. What is the largest organ in the human body by surface area? -
correct
answer
- Skin
1. Which of the following describes the function of ligaments? -
correct
answer
- Ligaments attach two bones
1. What is the difference between innate and adaptive immunity? -
correct
answer
- Innate immunity is present at birth while adaptive immunity is
acquired after exposure to pathogens.
1. Which of the following is responsible for carrying amino acids to ribosomes
during protein synthesis? -
correct answer
- tRNA
1. What are the steps involved in the scientific method? -
correct answer
-
Observation, hypothesis, prediction, experimentation, analysis, conclusion.
1. What is the difference between a solid and a liquid? -
correct answer
-
Solids have a definite shape and volume while liquids have a definite volume
but no fixed shape.
1. Which part of the respiratory system is responsible for regulating
breathing rate and depth? -
correct answer
- Diaphragm
1. What is the difference between a monosaccharide and a disaccharide?
-
correct answer
- Monosaccharides are simple sugars that cannot be
further broken down into simpler sugars while disaccharides are
composed of two simple sugars.
1. Which of the following is the process by which DNA is copied into RNA? -
correct answer
- Transcription
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Partial preview of the text

Download Full SCIENCE SECTION TEAS EXAM 2026 and more Exams Nursing in PDF only on Docsity!

  1. What are the three types of salivary glands and where are they

located in the mouth? - correct answer - Parotid, sublingual, and

submandibular glands located in the roof of the mouth, cheeks, and under the jawbone, respectively.

  1. Which of the following substances is excreted by the kidneys to regulate blood pressure? -

correct answer - Renin

1. What is the chemical formula for water? - correct answer - H

1. Which of the following units is used to indicate length? - correct answer

M

researcher collects data on the number of cars passing through a busy intersection at different times of the day for a month. This data would be most useful to analyze which of the following:

  • correct answer - traffic patterns during rush hour

1. What is the largest organ in the human body by surface area? - correct

answer - Skin

1. Which of the following describes the function of ligaments? - correct

answer - Ligaments attach two bones

1. What is the difference between innate and adaptive immunity? - correct

answer - Innate immunity is present at birth while adaptive immunity is

acquired after exposure to pathogens.

  1. Which of the following is responsible for carrying amino acids to ribosomes

during protein synthesis? - correct answer - tRNA

1. What are the steps involved in the scientific method? - correct answer -

Observation, hypothesis, prediction, experimentation, analysis, conclusion.

1. What is the difference between a solid and a liquid? - correct answer -

Solids have a definite shape and volume while liquids have a definite volume but no fixed shape.

  1. Which part of the respiratory system is responsible for regulating breathing rate and depth? -

correct answer - Diaphragm

  1. What is the difference between a monosaccharide and a disaccharide?
  • correct answer - Monosaccharides are simple sugars that cannot be further broken down into simpler sugars while disaccharides are composed of two simple sugars.
  1. Which of the following is the process by which DNA is copied into RNA? -

correct answer - Transcription

1. What is the role of calcium in muscle contraction? - correct answer -

Calcium is released from the sarcoplasmic reticulum to initiate the sliding of actin and myosin filaments.

1. What is the function of ribosomes in a cell? - correct answer - To

synthesize proteins in the cell

1. Which of the following is an example of a double-blind study? - correct

answer - Both participants and researchers do not know which group

participants are assigned to

  1. What is the name of the hormone that regulates blood sugar levels in the human body? -

correct answer - Insulin

  1. What is the primary physiological function of erythrocytes in the human circulatory system? -

correct answer - Transportation of oxygen to body tissues

  1. What is the name of the joint that allows for rotation of the arm at the

shoulder? - correct answer - Shoulder joint

  1. What is the name of the valve that separates the left atrium and left ventricle in the heart? -

correct answer - Mitral valve

  1. What is the molecular geometry of a molecule of sulphur dioxide (SO2)? -

correct answer - Bent

  1. What is the name of the genetic disorder caused by the presence of an

extra chromosome 21? - correct answer - Down syndrome

  1. Which of the following types of RNA carries amino acids to the ribosome

during protein synthesis? - correct answer - Transfer RNA

  1. What are the five regions of the vertebral column, starting from the top

and moving downwards? - correct answer - Cervical, thoracic, lumbar,

sacral, coccygeal

  1. Which of the following are the two major parts of the nervous system? -

correct answer - Peripheral nervous system and central nervous system.

  1. The measurement indicated by the line across the center of the cell is

best referred to as which of the following? - correct answer - Diameter

  1. Which of the following ions binds to the troponin complex, initiating contraction of a muscle?
  • correct answer - Calcium
  1. Which of the following microorganisms lack their own metabolic pathways

and can only reproduce inside of a host cell? - correct answer - Viruses

  1. Which of the following is the atomic number of an atom that has 12

protons and 12 neutrons? - correct answer - 12

  1. Which of the following types of cells produce and release antibodies? -

correct answer - Plasma B cells

  1. Which of the following organic molecules contain both an amine and carboxyl group? -

correct answer - Proteins

  1. Which of the following allows the AIDS virus, which contains RNA, to insert viral DNA into the DNA of a host cell after the AIDS virus enters the cell? -

correct answer - Reverse transcriptase, an enzyme encoded by the virus.

  1. Which of the following is the main function of centrosomes in animal cells?
  • correct answer
  • Microtubule organization
  1. Which of the following is a group that can be measured against the experimental group? -

correct answer - Control

  1. Which of the following is used to determine a person's DNA sequence? -

correct answer - Genes

  1. The cytoskeleton of a cell is comprised of which of the following

macromolecules? - correct answer - Proteins

  1. Which of the following properties of water explains its solvent abilities for

certain substances? - correct answer - Polarity of water molecules

  1. Stimulus: 1of 1. A group of students performed an experiment to test terminal velocity, which is the greatest speed obtained by a falling object. The students dropped different numbers of coffee filters and measured the resulting terminal velocity. Which of the following conclusions is supported

by the data in the following data table? - correct answer - Heavier objects

fall faster than lighter objects.

  1. Which of the following indicates the function of sodium bicarbonate

secreted by the pancreas? - correct answer - Sodium bicarbonate

neutralizes the acidity of chyme.

1. Which of the following results in osteoporosis? - correct answer - A

decline in osteoblast activity while osteoclast activity continues at expected levels.

  1. Which of the following is the process in which an ovarian follicle matures

and releases a reproductive egg? - correct answer - Ovulation

  1. What is the approximate threshold value for mammalian neurons? -

correct answer - -55 mV

  1. Which of the following processes causes most of the carbon dioxide from

the blood to move into the alveoli? - correct answer - Diffusion down a

  1. A myocardial infarction affects which of the following blood vessels of the

heart? - correct answer - Coronary

  1. Which of the following structures is present in both prokaryotic and eukaryotic cells? -

correct answer - Cell membrane

  1. In the following data table of an experiment carried out at 4°C (39.2 F) over 4 hours. Which of the following options represents the dependent

variable? - correct answer - Bag mass change

  1. Which of the following is the structure through which blood exits the

glomerulus? - correct answer - Efferent arteriole

  1. In a plant in which fuzzy leaves (F) are dominant over smooth leaves (f), which of the following crosses will produce only offspring with smooth

leaves? - correct answer ff x ff

  1. Which of the following represents the complementary strand of a DNA

sequence 3' TCGATCGCA 5'? - correct answer 5' AGCTAGCGT 3'

  1. Which of the following structures in the female reproductive system secretes hormones to maintain the uterine lining during pregnancy? -

correct answer - Corpus luteum

  1. Which of the following substances is excreted by sweat glands in response

to the breakdown of proteins and the formation of ammonia? - correct

answer - Urea

1. Which of the following glands synthesizes antidiuretic hormone? - correct

answer - Hypothalamus

  1. 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? - correct answer - Osmosis

1. Why is it important for new scientific findings to be published? - correct

answer - Other scientists can validate or disprove the findings

  1. Parasitic worm infestation is hypothesized to be damaging to the host. However, scientists have recently discovered that worm infestation can relieve the effects of certain autoimmune disorders. In which of the following

ways should the hypothesis be modified, given the new findings? - correct

answer - Worm infestation reduces the severity of certain autoimmune

disorders

1. Which of the following is correct regarding the pH scale? - correct

answer - A substance with a pH of 3 is 10 times more acidic than a

substance with a pH of 4

  1. Nitrogen gas is an extremely stable molecule because of which of the

following? - correct answer - Triple covalent bonds

reason for prolonged preservation of the body? - correct answer - The

body was frozen in the cold temperature of the Alps shortly after he died and remained frozen until it was found

  1. Experiments cannot validate hypotheses, only falsify them. The statement above can be restated in which of the following ways? -

correct answer - A hypothesis that has not been falsified remains

provisional

  1. In which of the following regions of the body are the tibia and fibula? -

correct answer - Crural

  1. Which of the following functions does the myelin sheath perform for a

nerve cell? - correct answer - Insulation

1. Which of the following occurs in an oxidation reaction? - correct answer

  • Removal of electrons
  1. Punnet Square An organism with an unknown genotype is crossed with another organism that shows the recessive trait (aa). The Punnet square below shows the

results. Which of the following is the unknown genotype? - correct answer

Aa

  1. To accurately measure the density of a series of small irregular solids made of plastic, wood, fibreglass, and glass, a student will need which of the

following laboratory tools? - correct answer - Graduated cylinder, water,

weighing balance

  1. Emphysema caused by damage to alveoli from toxins and pollutants is likely to result in the body having difficulty performing which of the following

actions? - correct answer - Exchanging oxygen and carbon dioxide

  1. For which of the following reasons does a chloride ion have a negative

charge? - correct answer - It gained an electron

  1. Which of the following substances is excreted by sweat glands in response

to the breakdown of proteins and the formation of ammonia? - correct

answer - Urea

  1. The triple point of a substance is the temperature and pressure at which

the substance exists as which of the following? - correct answer -

Simultaneously in solid, liquid, and gas phases

  1. A patient goes to the doctor with a cold and sore throat and asks for antibiotics. The doctor refuses to prescribe antibiotics to the patient because

the illness is caused by which of the following pathogens? - correct answer

  • Virus
  1. Which of the following is an efferent neuron that is responsible for releasing a neurotransmiter that stimulates a muscle cell to contract? -

correct answer - Motor neuron

  1. Which of the following structures is present in both prokaryotic and eukaryotic cells? -

correct answer - Cell membrane

  1. Which of the following actions allows for repolarization of a neuron? -

correct answer - The opening of potassium channels allowing potassium to

leave the neuron

1. Which of the following structures is an exocrine gland? - correct answer

  • Parotid gland

1. Which of the following is the function of a totipotent cell? - correct

answer - Develops into any kind of cell

  1. Which of the following classes of biological molecules includes enzymes? -

correct answer - Proteins

  1. Which of the following substances is responsible for donating H+ ions to

act as a buffer when blood pH rises? - correct answer - Carbonic acid

  1. Parasitic worm infestation is hypothesized to be damaging to the host. However, scientists have recently discovered that worm infestation can relieve the effects of certain autoimmune disorders. In which of the following ways should the hypothesis be modified, given the new findings? -

correct answer - Worm infestation reduces the severity of certain

autoimmune disorders.

  1. If a portion of a strand of DNA bases reads 3'TCGATCGCA 5', what would

the sequence of bases on the complementary strand read? - correct

answer 5'AGCTAGCGT 3'

  1. Which of the following best describes the result of using a catalyst in a chemical reaction? -

correct answer The reaction is completed in a shorter amount of time.

  1. An individual suffers severe blunt trauma to the thoracic cavity. Which of

the following organs are at greatest risk from this injury? - correct answer

  • Heart and lungs

1. Which of the following is correct regarding the pH scale? - correct

answer - A substance with a pH of 3 is 10 times more acidic than a

substance with a pH of 4.

  1. Which of the following is a component of the integumentary system that

secretes pheromones? - correct answer - Apocrine gland

  1. Which of the following processes causes most of the carbon dioxide from

the blood to move into the alveoli? - correct answer - Diffusion down a

concentration gradient

  1. Which of the following growth curves shows a population that is at its

carrying capacity? -

correct answer B

cellular respiration as the membrane of chloroplasts in photosynthesis. Which of the following correctly completes the sentence

above? - correct answer - Thylakoid

  1. Both digestion and absorption happen in which of the following parts of

the digestive system? - correct answer - Small intestine

  1. A study found two processes, Process A and Process B, to be correlated.

Which of the following is true for these processes? - correct answer - The

study does not indicate a causal relationship between the processes.

  1. How many times stronger is the hydrogen-ion concentration of a pH 4

solution as compared with a pH 9 solution? - correct answer 100,

  1. Which of the following terms describes the relaxation of the chambers of

the heart during the cardiac cycle? - correct answer - Diastole

  1. Which of the following summarizes a change that takes place as a solid turns to a liquid? -

correct answer - Particles become less ordered.

  1. Genetic information describing the characteristics of an organism is found

in which of the following? - correct answer - Nuclei

  1. Which of the following organs filters excess solutes from the blood? -

correct answer - Kidney

1. Which of the following is a function of bone? - correct answer - Storage

of minerals

  1. Which of the following ions binds to the troponin complex, initiating the

contraction of a muscle? - correct answer - Calcium

  1. A group of students perform an experiment to test terminal velocity, which is the greatest speed obtained by a falling object. The students dropped different numbers of coffee filters and measured the resulting terminal velocity. Which of the following conclusions is supported by the data

in the following data table? - correct answer - Heavier objects fall faster

than lighter objects.

  1. Which of the following are the two major parts of the nervous system? -

correct answer - Peripheral nervous system and central nervous system

  1. A myocardial infarction affects which of the following blood vessels of the

heart? - correct answer - Coronary

  1. Which of the following endocrine organs in the diagram below is involved

in regulating milk production following childbirth? - correct answer -

Pituitary gland

  1. Nitrogen gas is an extremely stable molecule because its structure

contains which of the following?- - correct answer - Triple covalent

bonds

  1. Which of the following is a mass within the ovary that secretes hormones

to maintain the uterine lining during pregnancy? - correct answer - Corpus

luteum

  1. In a phase diagram, which of the following is the term used for a substance held at a temperature and pressure where the solid, liquid, and

gaseous states of a substance exist simultaneously? - correct answer -

Triple point

  1. Which of the following indicates the function of sodium bicarbonate

released by the pancreas? - correct answer - Sodium bicarbonate

neutralizes the acidity of chyme.

  1. Which of the following substances protects the skin from ultraviolet

radiation? - correct answer - Melanin

  1. Which of the following is the structure through which blood exits the

glomerulus? - correct answer - Efferent arteriole

1. Osteoporosis results from which of the following? - correct answer - A

decline in osteoblast activity while osteoclast activity continues at expected levels

  1. Which of the following is the atomic number of an atom that has 12

protons and 12 neutrons? - correct answer 12

  1. Hikers who found a human body at high altitude in the Italian Alps thought the man had died recently, but tests indicated he was shot with an arrow more than 5,300 years ago. Which of the following would be the best

reason for prolonged preservation of the body? - correct answer The body

was frozen in the cold temperature of the Alps shortly after he died and remained frozen until it was found

  1. Which of the following substances is responsible for donating H+ ions to

act as a buffer when blood pH rises? - correct answer - Carbonic acid

  1. Which of the following microorganisms lack their own metabolic pathways

and can only reproduce inside of a host cell? - correct answer - Viruses

1. Which of the following vessels carries oxygenated blood? - correct

answer - Pulmonary vein

  1. Testosterone is categorized as which of the following types of hormones? -

correct answer - Androgen

  1. Which of the following chemicals is released by one type of immune cell to

directly activate another type of immune cell? - correct answer - Cytokines

  1. In a certain plant, red flowers are dominant over white flowers. A plant heterozygous for red flowers and a plant with white flowers are crossed. Which of the following is the expected proportion of phenotypes in the next

generation? - correct answer - 2 red, 2 white

  1. Which of the following are used to determine a person's DNA sequence? -

correct answer - Genes

  1. Which of the following reasons explains why it is important for new

scientific findings to be published? - correct answer - Other scientists can

validate or disprove the findings.

  1. The measurement indicated by the line across the center of the cell is

best referred to as which of the following? - correct answer - Diameter

  1. Which of the following summarizes a change that takes place as a solid turns to a liquid? -

correct answer - Particles become less ordered.

  1. The cytoskeleton of a cell is comprised of which of the following

macromolecules? - correct answer - Proteins

  1. Lithium has an atomic number of 3 and a mass number of 7. Which of the

following is the number of protons in a lithium atom? - correct answer 3

1. Which of the following can lead to a tsunami? - correct answer -

Earthquakes

  1. Which of the following is the main function of centrosomes in animal cells?
  • correct answer
  • Microtubule organization
  1. Which of the following physiological responses is caused by the release of

antidiuretic hormone? - correct answer - Increase in water reabsorption in

the collecting duct

  1. Which of the following is the process in which an ovarian follicle matures

and releases a reproductive egg? - correct answer - Ovulation

1. Which of the following glands synthesizes antidiuretic hormone? - correct

answer - Hypothalamus

  1. Which of the following organic molecules contain both an amine and carboxyl group? -

correct answer - Proteins

  1. Which of the following respiratory structures is affected by a disease that

disrupts gas exchange, such as emphysema? - correct answer - Alveoli

  1. The vermiform appendix extends from the region of the large intestine

known as which of the following? - correct answer - Cecum

  1. Which of the following structures drains oxygen-depleted blood from the

kidneys? - correct answer - Renal Vein

  1. Which of the following distinguishes endocrine and exocrine glands from

another? - correct answer - The presence or absence of ducts

  1. Which of the following organs removes nitrogenous waste from the body? -

correct answer - Kidneys