TEAS Exam Version 7 Flashcards
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Questions and Answers

Which of the following organs transports semen through the penis?

  • Testes
  • Vas deferens
  • Prostate gland
  • Urethra (correct)
  • Which of the following describes the location of the heart relative to the lungs?

  • Superior
  • Lateral
  • Posterior
  • Anterior (correct)
  • The rectum is a part of which of the following organs?

  • Pancreas
  • Large intestine (correct)
  • Liver
  • Small intestine
  • Which of the following types of variables is changed in a scientific experiment?

    <p>Independent variable</p> Signup and view all the answers

    Which of the following type of reactions is shown below? CaCl2 + 2NaOH → Ca(OH)2 + 2NaCl

    <p>Double replacement</p> Signup and view all the answers

    Which of the following is NOT part of the innate immune system?

    <p>Antibodies</p> Signup and view all the answers

    Which of the following is NOT a function of the respiratory system in humans?

    <p>Distribution of oxygen to the body</p> Signup and view all the answers

    Which of the following processes occurs in red bone marrow?

    <p>Hematopoiesis</p> Signup and view all the answers

    Which of the following parts of the nervous system is protected by the vertebral column?

    <p>Spinal cord</p> Signup and view all the answers

    Which of the following is a monomer used to build carbohydrates?

    <p>Glucose</p> Signup and view all the answers

    Which of the following terms describes a conclusion reached on the basis of evidence and reasoning?

    <p>Inference</p> Signup and view all the answers

    If a plant that is homozygous dominant (T) for a trait is crossed with a plant that is homozygous recessive (t) for the same trait, what will be the phenotype of the offspring if the trait follows Mendelian patterns of inheritance?

    <p>All offspring will show the dominant phenotype.</p> Signup and view all the answers

    Which of the following processes uses the information stored in RNA to produce a protein?

    <p>Translation</p> Signup and view all the answers

    In the digestive system, the majority of nutrients are absorbed in which of the following organs?

    <p>Small intestine</p> Signup and view all the answers

    Which of the following is the number of chromosomes found in a human gamete?

    <p>23</p> Signup and view all the answers

    Which of the following is composed of a motor neuron and its associated muscle fibers?

    <p>Motor unit</p> Signup and view all the answers

    Which of the following molecules can be found in abundance in a fatigued muscle?

    <p>Lactic acid</p> Signup and view all the answers

    Which of the following processes produces a gas from a solid?

    <p>Sublimation</p> Signup and view all the answers

    A student isolates and purifies a substance. She then puts it into the lab refrigerator at 4°C. When she comes back the next day, she notices that it has solidified. Which of the following statements about the substance is true?

    <p>It has a freezing point higher than that of water.</p> Signup and view all the answers

    Which of the following molecules experience London dispersion forces?

    <p>All atoms and molecules</p> Signup and view all the answers

    Which of the following is a heterogeneous mixture?

    <p>Orange juice with pulp</p> Signup and view all the answers

    A woman has been suffering from heartburn and thinks that a particular food is causing it. She decides that for each week during a single month, she will not eat a specific food and see if she has heartburn that week. In her experiment, the food she removes from her diet would be which of the following types of variable?

    <p>Independent variable</p> Signup and view all the answers

    Which of the following is true of a gene that is expressed?

    <p>It is influencing a phenotype trait.</p> Signup and view all the answers

    Which of the following glands provides nourishment for sperm, as well as the majority of the fluid that combines with sperm to form semen?

    <p>Seminal vesicles</p> Signup and view all the answers

    Which of the following does NOT correctly match the endocrine system organ with its function?

    <p>Pituitary: Production and regulation of cortisol and adrenaline</p> Signup and view all the answers

    Which of the following parts of the peripheral nervous system controls voluntary muscle actions?

    <p>Somatic nervous system</p> Signup and view all the answers

    People who suffer from Type I diabetes are lacking function in which of the following organs?

    <p>Pancreas</p> Signup and view all the answers

    How many electrons can the 2s orbital hold?

    <p>2</p> Signup and view all the answers

    Which of the follows describes what happens to the atomic radius when moving left to right on the periodic table?

    <p>It decreases.</p> Signup and view all the answers

    Which of the following correctly describes atomic number?

    <p>The number of protons in an atom.</p> Signup and view all the answers

    Which of the following type of bone tissue gives bone its hardness and strength?

    <p>Cortical bone</p> Signup and view all the answers

    According to electron theory, which of the following is the maximum number of bonds a carbon atom can have?

    <p>Carbon has four valence electrons, which means it is able to form 4 bonds with other atoms.</p> Signup and view all the answers

    Which of the following is an example of human error in an experiment?

    <p>Contaminating a sterile sample by breathing on it</p> Signup and view all the answers

    What is the electron configuration of ground-state neutral magnesium (Mg)?

    <p>1s22s22p63s2</p> Signup and view all the answers

    Which of the following is the temperature at which all molecular motion stops?

    <p>0 K</p> Signup and view all the answers

    Which of the following terms best describes the position of the bladder relative to the uterus?

    <p>Inferior</p> Signup and view all the answers

    Which of the following is an example of a homozygous genotype that will express a recessive phenotype?

    <p>aa</p> Signup and view all the answers

    Which of the following groups on the periodic table will typically adopt a charge of +1 when forming ionic compounds?

    <p>Alkali metals</p> Signup and view all the answers

    How many electrons does a neutral atom of vanadium (V) have?

    <p>23</p> Signup and view all the answers

    A patient has recently been diagnosed with a bone marrow disorder that leads to slow blood clotting. The patient is likely low in which of the following?

    <p>Platelets</p> Signup and view all the answers

    A scientist believes that a particular species of algae, S. sponferus, is able to grow even when living deep underwater. However, he hypothesizes that this species may grow more slowly than algae in other environments due to the lack of sunlight at this depth. Which of the following findings would not support the scientist's hypothesis?

    <p>Laboratory experiments show that S. sponferus grows equally well under a wide range of light conditions.</p> Signup and view all the answers

    Which of the following is the primary function of the large intestine?

    <p>Absorb water</p> Signup and view all the answers

    Which of the following heart valves prevents blood from going back into the right ventricle?

    <p>Pulmonary</p> Signup and view all the answers

    Tin-112 (Sn-112) is the most abundant isotope of tin (Sn) and has a mass number of 112. How many neutrons does Sn-112 have?

    <p>62</p> Signup and view all the answers

    Which of the following bones are directly connected to the ulna and radius?

    <p>Carpal</p> Signup and view all the answers

    Mitochondrial myopathy, a mitochondrial disease that leads to low energy, heart issues, and kidney problems, happens when a cytosine is replaced by a thymine. What type of mutation causes mitochondrial myopathy?

    <p>Point mutation</p> Signup and view all the answers

    An individual who is heterozygous for a recessive trait is mated with an individual who is homozygous for the trait. What percentage of offspring will express the recessive trait?

    <p>50 percent</p> Signup and view all the answers

    Which of the following mixtures is heterogeneous?

    <p>Orange juice with pulp</p> Signup and view all the answers

    Which of the following organs is held and protected by the meninges?

    <p>Brain</p> Signup and view all the answers

    The largest branch of the abdominal aorta which supplies oxygenated blood to the upper digestive tract?

    <p>Celiac artery</p> Signup and view all the answers

    What gland provides nourishment for sperm, as well as the majority of the fluid that combines with sperm to form semen?

    <p>Seminal vesicles</p> Signup and view all the answers

    The exchange of gases and blood happens in what part of the respiratory system?

    <p>Alveoli</p> Signup and view all the answers

    Which of the following groups are part of the axial skeleton?

    <p>Rib cage</p> Signup and view all the answers

    Which of the following does not distinguish quantitative data collection from qualitative data collection methods?

    <p>Quantitative methods do not need to be as valid or reliable as quantitative methods.</p> Signup and view all the answers

    Networks of capillaries that begins the filtration process by filtering blood plasma, the result of which is then excreted as urine?

    <p>Glomerulus</p> Signup and view all the answers

    Mutation that occurs in the DNA of a non-reproductive cell?

    <p>Somatic mutation</p> Signup and view all the answers

    Layer of skin with the most blood vessels?

    <p>Dermis</p> Signup and view all the answers

    DNA and RNA are built from monomers called?

    <p>Nucleotides</p> Signup and view all the answers

    Structure of the male reproductive system that stores spermatozoa during the maturation process?

    <p>Epididymis</p> Signup and view all the answers

    Process of transporting molecules across a membrane by a protein that does not use energy?

    <p>Facilitated diffusion</p> Signup and view all the answers

    Which of the following molecules experience London dispersion forces?

    <p>All atoms and molecules</p> Signup and view all the answers

    Which of the following is a property from RNA that makes it different from DNA?

    <p>Contains uracil</p> Signup and view all the answers

    Hormone released by the kidneys and helps regulate blood pressure?

    <p>Renin</p> Signup and view all the answers

    Describe a scientific model?

    <p>A simplification or metaphor for an observed phenomenon.</p> Signup and view all the answers

    Which of the following is the molecule found in RBCs that binds to up to four oxygen molecules?

    <p>Hemoglobin</p> Signup and view all the answers

    A descriptive, generalized body of scientific observations is called?

    <p>Law</p> Signup and view all the answers

    Which of the following types of cells are the main transporters of oxygen throughout the body?

    <p>Red blood cells</p> Signup and view all the answers

    What type of hypothesis assumes no relationship between two variables?

    <p>Null hypothesis</p> Signup and view all the answers

    An organism's genotype is?

    <p>Their complete genetic code.</p> Signup and view all the answers

    What is a heterogeneous mixture?

    <p>A mixture in which the atoms or molecules are distributed unevenly.</p> Signup and view all the answers

    Bone type that makes up the wrist and foot?

    <p>Short bones</p> Signup and view all the answers

    What valve prevents blood from going back to the left atrium?

    <p>Mitral valve</p> Signup and view all the answers

    Digestion begins in which organ?

    <p>Mouth</p> Signup and view all the answers

    How does a catalyst speed up a reaction?

    <p>Lowering the activation energy by providing an alternate route for the reaction.</p> Signup and view all the answers

    Appendage of a neuron that sends electrical signals away from the neuron cells?

    <p>Axon</p> Signup and view all the answers

    Parts of the nervous system responsible for regulating involuntary muscle functions?

    <p>Autonomic nervous system</p> Signup and view all the answers

    Which of the following is the element of blood that comprises most of its total volume?

    <p>Plasma</p> Signup and view all the answers

    When benzene burns completely in excess oxygen, what combustion product should form?

    <p>CO2 + H2O</p> Signup and view all the answers

    Which of the following is NOT a hormone-producing gland of the endocrine system?

    <p>Prostate</p> Signup and view all the answers

    Primary muscle that drives ventilation?

    <p>Diaphragm</p> Signup and view all the answers

    What occurs due to a hypersensitivity in the immune system that causes an inflammatory response to a common material?

    <p>Allergies</p> Signup and view all the answers

    General term for a chemical substance that the body produces and transports through the blood to stimulate a cellular response?

    <p>Hormone</p> Signup and view all the answers

    Connective tissue that connects bone to bone and helps strengthen joints?

    <p>Ligament</p> Signup and view all the answers

    Material that is secreted into hair follicles to waterproof and lubricate the skin?

    <p>Sebum</p> Signup and view all the answers

    Which of the following is NOT a nucleobase of DNA?

    <p>Uracil</p> Signup and view all the answers

    The atomic number represents the number of ________?

    <p>Protons in an atom.</p> Signup and view all the answers

    A chemist finds a bottle of hydrochloric acid in his laboratory. Although the chemical is labeled properly, the concentration is not included. He decides to determine the concentration of the acid by performing an acid-base titration reaction. To perform this reaction, he adds a known volume and concentration of strong base to the acid while measuring the pH of the combined acid and base. Once a neutral pH is obtained, the reaction has proceeded to completion, and the concentration of the acid may be calculated. In this reaction, what is the dependent variable?

    <p>The dependent variable is the pH of the reaction mixture.</p> Signup and view all the answers

    Alleles for brown eyes (B) are dominant over alleles for blue eyes (b). If two parents are both heterozygous for this gene, what is the percent chance that their offspring will have brown eyes?

    <p>75</p> Signup and view all the answers

    Which of the following is the process of transporting molecules across a membrane by a protein that does not use energy?

    <p>Facilitated diffusion</p> Signup and view all the answers

    A scientist does a monohybrid cross to determine how a trait is inherited and finds that the trait is mostly seen in male offspring. What type of inheritance pattern does this gene show?

    <p>X-linked</p> Signup and view all the answers

    What is the oxidation state of the chlorine atom in HCl?

    <p>-1</p> Signup and view all the answers

    What type of reaction is shown below? 2Li + Cl2 → 2LiCl

    <p>Synthesis reaction</p> Signup and view all the answers

    Within the nucleus, DNA is tightly wound around histones. How does this arrangement regulate gene transcription?

    <p>Histones are able to modify the DNA sequence of genes.</p> Signup and view all the answers

    Study Notes

    Reproductive System

    • The urethra transports semen through the penis.
    • Seminal vesicles nourish sperm and contribute fluid for semen.

    Cardiovascular System

    • The heart is located anterior to the lungs.
    • The pulmonary valve prevents backflow into the right ventricle.

    Digestive System

    • The rectum is part of the large intestine.
    • Most nutrients are absorbed in the small intestine.
    • The primary function of the large intestine is to absorb water.

    Scientific Method

    • The independent variable is changed during scientific experiments.
    • An inference is a conclusion based on evidence and reasoning.
    • A null hypothesis assumes no relationship between two variables.

    Chemistry and Chemical Reactions

    • The reaction CaCl2 + 2NaOH → Ca(OH)2 + 2NaCl is a double replacement reaction.
    • Glucose is a monomer that builds carbohydrates.
    • Point mutation occurs when a single nucleotide is altered in DNA.
    • A synthesis reaction is exemplified by 2Li + Cl2 → 2LiCl.
    • The pH of a titration reaction is the dependent variable.

    Immune System

    • Antibodies are not part of the innate immune system.
    • Allergies result from a hypersensitivity in the immune system, causing inflammation.

    Nervous System

    • The spinal cord is protected by the vertebral column.
    • The somatic nervous system controls voluntary muscle actions.
    • Autonomic nervous system regulates involuntary muscle functions.

    Cellular Biology

    • Hematopoiesis occurs in red bone marrow.
    • RBCs (red blood cells) are the main transporters of oxygen.
    • DNA and RNA are built from nucleotides.

    Genetics

    • Offspring of a homozygous dominant and a homozygous recessive parent will all show the dominant phenotype.
    • In a heterozygous cross, there is a 75% chance for brown eyes (B) in offspring.
    • A homozygous genotype that expresses a recessive phenotype is aa.

    Atomic Structure

    • The atomic number indicates the number of protons in an atom.
    • Carbon can form a maximum of 4 bonds due to its four valence electrons.
    • The 2s orbital holds a maximum of 2 electrons.

    Skeletal System

    • Cortical bone gives bone its hardness and strength.
    • The rib cage is part of the axial skeleton, while carpal bones articulate with radius and ulna.

    Mitochondrial Myopathy

    • Caused by a cytosine to thymine replacement, leading to low energy and organ issues.

    Blood Composition

    • Plasma comprises most of blood volume.
    • Platelets are crucial for blood clotting processes.

    Muscle Anatomy

    • The diaphragm is the primary muscle driving ventilation.
    • Lactic acid accumulates in fatigued muscles.

    Skin and Exocrine Glands

    • Sebum is secreted into hair follicles, waterproofing and lubricating the skin.
    • The dermis layer has the most blood vessels.

    Molecular Forces

    • All atoms and molecules experience London dispersion forces.

    Gaseous Reactions

    • Absolute zero represents 0 K (−273°C), the point where all molecular motion stops.

    Environmental Factors

    • Glomeruli are networks of capillaries initiating blood filtration for urine production.

    Gene Regulation

    • Histones modify the DNA sequence, regulating gene transcription.

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    Prepare for the TEAS exam with these flashcards that cover important concepts related to human anatomy and scientific principles. Test your knowledge on topics such as organ functions and the structure of the human body. Perfect for students looking to enhance their understanding in healthcare-related fields.

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