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ATI TEAS Practice test questions well
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Qs The first four steps on the scientific method are as follows: I. Identify the problem. II. Ask questions. III. Develop a hypothesis. Iv. Collect data and experiment on that data. Which of the following is the fifth step in the scientific method? A. Observe the data. B. Analyze the results. C. Measure the data. D. Develop a conclusion. - n ANS✔ B. Analyze the results.
- There are six steps in the scientific process. The results of step four must be analyzed before reaching the final step. "Develop a conclusion." Qs Which of the following is FALSE regarding the use of qualitative and quantitative data in scientific research? A. Quantitative data is collected through numerical measurements. B. Quantitative data is more accurate than qualitative data. C. Qualitative data is focused on perspectives and behavior. D. Qualitative data is collected through observation and interviews. - n
ANS✔
B. Quantitative data is more accurate than qualitative data. The two types of measurement important in science are qualitative (When a numerical result is used) and qualitative (when descriptions or qualities are reported).
- Qualitative data is collected through observation and interviews, and focuses on the informant's behavior and perspectives. Qs THE NEXT QUESTION REFERS TO THE FOLLOWING GRAPHICS: The chart above shows the average snowfall in inches for a two on Michigan's Upper Peninsula, during the months November through April. Which of the following can be concluded based on the information that is provided in the chart? A. April is not a good month to go skiing in the Upper Peninsula. B. Snowfall blocks the sunshine reduces the number of sunny days. C. The fewest sunny days occur in the months with the heaviest snowfall. D. There is no connection between the amount of snowfall and the number of sunny days.
- n ANS✔ C. The chart shows two specific changes: snowfall levels from November to April and sunny days from November to April. Qs Which of the following statements correctly describes the function of the corresponding physiologic structure?
B. The pads that support the vertebrae are made up of cartilage.
- Cartilage, a strong form of connective tissue, cushions ad supports the joints. Cartilage also makes up the larynx and the outer ear.
- Bone is a form of connective tissue that comprises the better part of the skeleton. It includes both organic and inorganic substances.
- Tendons connect the muscles to other structures of the body, typically bones. Tendons can increase and decrease in length as the bones move.
- Fat is a combination of lipids; in humans, fat forms a layer beneath the skin and on the outside of the internal organs. Qs Two criteria for classifying epithelial tissue are: A. Cell type and cell function B. Cell shape and cell type C. Cell layers and cell shape D. Cell function and cell layers - n ANS✔ C. Cell layers and cell shape are the criteria for classifying epithelial tissue.
- Cell layers refers to the amount of cells that separate the basement membrane from the surface, such as a simple single layer, a stratified layer (2 or more), or a pseudostratfied layer.
- Cell shapes refer to the shape of the outer cells and can be squamous, columnar or cuboidal. Qs Where is the parathyroid gland located? A. On the lateral lobes of the thyroid gland, on the posterior aspect. B. On the pyramidal lobe of the thyroid gland, on the posterior aspect.
C. On the lateral thyroid gland, on the anterior aspect. D. On the left lateral lobe of the thyroid gland, on the anterior aspect. - n ANS✔ A. The parathyroid gland is located on the lateral lobes of the thyroid gland in the neck, on the posterior aspect.
- It is part of the endocrine system.
- When the supply of calcium in blood diminishes to unhealthy levels, the parathyroid gland motivates the secretion of a hormone that encourages the bones to release calcium into the bloodstream. The parathyroid Gand also regulates the amount of phosphate in the blood by stimulating the excretion of phosphates in the urine. Qs How many organ system are in the human body? A. 12 B. 15 C. 9 D. 11 - n ANS✔ D. There are 11 organ systems n the human body.
- Circulatory System
- Digestive System
- Endocrine System
- Integumentary System
- Lymphatic System
- Muscular System
- Nervous System
- Reproductive System
C. The order of hierarchy of human body structures is as follows:
- Organism
- Organ systems
- Organs
- Tissues
- Cells
- Molecules
- Atoms Muscles are types of tissues, so muscles do not have a separate place in the hierarchy but instead fall within the types of tissues. Qs THE NEXT TWO QUESTIONS ARE BASED ON THE PERIODIC TABLE On average, how many neutrons does one atom of bromine(Br) have? Atomic # - 35 Atomic mass - 79. A. 35 B. 44. C. 45 D. 79.90 - n ANS✔ B. 44. 79.9-35 = 44. Qs
On average, how many protons does one atom of zinc (Zn) have? Atomic # - 30 Atomic mass - 65. A. 30 B. 35 C. 35. D. 65.39 - n ANS✔ A. 30 The number of protons is the same for every atom of a given element and is the elements's atomic number; in this case 30 for Zinc (Zn). Qs Which statement below correctly describes the movement of molecules in the body and/or in relation to the external environment? A. Osmosis is the movement of a solution from and area of low solute concentration to an area of high solute concentration. B. Diffusion is the process in the lungs by which oxygen is transported from the air to the blood. C. Dissipation is the transport of molecules across a semipermeable membrane from an area of low concentration to high concentration, requiring energy. D. Reverse osmosis is the movement of molecules in a solution from an area of high concentration to an area of lower concentration. - n ANS✔ B. In the lungs, oxygen is transported from the air to the blood through the process of diffusion. In which molecules passively move from an area of high concentration to low concentration. Specifically, the alveolar membranes withdraw the oxygen form the air in the lungs into the bloodstream.
D. The gallbladder produces insulin to assist in the transport of sugars form the blood to the organs. - n ANS✔ A. The large intestine's main function is the reaborsptlon of water into the body to form solid waste. It also allows for the absorption of vitamin K produced by microbes living inside the large intestine.
- The duodenum is the first second of the small intestine that receives partially digested food from the stomach, also called chyme, further digestion tit with the help of enzymes released by the gall bladder, before it enters into the small intestine.
- The pancreases (not the gall bladder) releases insulin to assist in the removal and transport of sugar in the body.
- The jejunum is the second portion of the small intestine in which amino acids, fatty acids, and sugars are absorbed. Qs In your garden, you noticed that the tomato plants did better on the north side of your house than the west side and you decided to figure out why. They are both planted with the same soil that provides adequate nutrients to the plant, and they are watered at the same time during the week. Over the course of a week, you begin to measure the amount of sunlight that hits each side of the house and determine that the north side gets more light because the sunlight is blocked by the house's shadow on the west side. What is the name of the factor in your observations that affected the tomato plants growth? A. the control B. the independent variable C. the dependent variable D. The conclusion - n ANS✔ B. The conclusion was that the amount of sunlight received by the pants was affecting their growth.
- The independent variable was the amount of light that was given to the plants and could have been manipulated by the experiment by moving the plants or adding equal parts of light.
- No control was used in this experiment. Qs Which of the following describes one responsibility of the integumentary system? A. Distributing vital substances (such as nutrients) throughout the body B. Blocking pathogens that cause disease C. Sending leaked fluids from cardiovascular system back to the blood vessels D. sorting bodily hormones that influence gender traits. - n ANS✔ B. The integumentary system includes skin, hair, and mucous membranes, all of which are responsible-in part, at least-for blocking disease-causing pathogens from entering the bloodstream.
- The circulatory system distributes vital substances through the body.
- The lymphatic system sends leaked fluids from the cardiovascular system back to the blood vessels.
- The reproductive system stores bodily hormones that influence gender traits. Qs When are the parasympathetic nerves active within the nervous system? A. when an individual experiences a strong emotion, such as fear or excitement. B. when an individual feels pain or heat. C. when an individual is either talking or walking. D. when an individual is either resting or eating. - n
A. Blood enters the heart through the pulmonary vein, into the right atrium, through the tricuspid have to the right ventricle. B. Once the right ventricle is full, blood exits into the pulmonary artery and then empties into the left ventricle. C. After traveling through he lungs, oxygenated blood enters into the left atrium, then through the mitral valve to the left ventricle. D. Once the left ventricle is full, the left tricuspid valve shuts, the ventricle contracts, and blood exists through the aorta. - n ANS✔ C. Blood returns to the heart from both the inferior and superior vena cava, entering into the right atrium, though the tricuspid valve, and into he right ventricle. Once the right ventricle is full, the tricuspid valve closes, and upon heart contraction, the blood is pumped through the pulmonary artery, becoming oxygenated in the lungs. The blood returns to the heart from the lungs through the pulmonary vein, into the left atrium, through the mitral valve, and into the left ventricle.When the left ventricle is full, the mitral valve closes, and the hart contracts and distributes the newly oxygenated blood throughout the Boyd through the aortic valve and into the aorta. Qs The part of the human excretory system most responsible for maintaining normal body temperature is the : A. kidney B. bladder. C. liver D. sweat glands - n ANS✔ D. Blood is cooled as it passes through capillaries surround the sweat glands. Heat is absorbed along with excess salt and water and transferred to the glands as sweat. Droplets of sweat then evaporate from the skin surface to dissipate heat and cool the body
- The kidney, bladder, and liver are NOT involved in regulating body temperature. Qs A part of which body system controls fluid loss, protects deep tissues, and synthesizes vitamins D? A. the skeletal system B. the muscular system C. the lymphatic system D. The integumentary system - n ANS✔ D. The skin is a part of the integumentary system, along with the heart, nails, nerves, and glands. The skin controls fluid loss, protects deep tissues, and synthesizes vitamin D.
- The skeletal system gives the body its bony supporting structure, protects vital organs, collaborates with muscles in body movement, stores calcium, and produces red blood cells.
- The muscular system maintains posture, collaborates with the bones in the body movements, uses energy, and generates heat.
- The lymphatic system retrieves fluids leaked from capillaries and contains white blood cells, and part of it support parts of the immune system. Qs There are three insects that are being compared under a microscope. As a scientist, you decide that measuring them would be an important part of recording their data. which unit of measurement would best for this situation? A. centimeters B. meters C. micrometers
D. an antigen stimulates the production of antibodies. - n ANS✔ D. the name for a substance that stimulates the production of antibodies is an antigen. An antigen is any substance perceived by the immune system as dangerous. When the body senses an antigen, it produces an antibody.
- Collagen is one the components of bone, tendon, and cartilage. It is a spongy protein that can be turned into gelatin by boiling.
- Hemoglobin is the part of red blood cells that carries oxygen. In order for the blood to carry enough oxygen to the cells of the body, there has to be a sufficient amount of hemoglobin.
- the lymph is a near-transparent fluid that performs a number of functions in the body. It removes bacteria from tissues, replaces lymphocytes in the blood, and moves fat away from he small intestine. Lymph contains white blood cells. The lymph node is the tissue through which lymph travels in this filtering process. Qs Which group of major parts and organs make up the immune system? A. lymphatic system, spleen, tonsils, thymus, and bone marrow. B. brain, spinal cord, and nerve cells. C. heart, veins, arteries, and capillaries D. nose, trachea, bronchial tubes, lungs, alveolus, and diaphragm. - n ANS✔ A. The immune system consists of the lymphatic system, spleen, tonsils, thymus, and bone marrow.
- The nervous system consists of the brain, spinal cord, and nerve cells.
- The circulatory system consists of the heart, veins, arteries, and capillaries.
- The respiratory system consists of the nose, trachea, bronchial tubes, lungs, alveolus, and diaphragm.
Qs THE NEXT TWO QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION. A student is conducting an experiment using a ball that is attached to the end of a string on a pendulum. The student pulls the ball back so that it is at an angle to its resting position. As the student releases the ball, it swings forward and backward. The student measures the time it takes the ball to make on complete period. A period is defined as the time it takes the ball to swing forward and back again to its starting positions. That is repeated using different string lengths. Lengthening the string of the pendulum increases the time it takes the ball to make on complete period. What correction would you have the student make to the hypothesis? A. Turn it into an "if/then" statement. B. Add the word "will" in the middle after the word "pendulum. C. Switch the order of the sentence so that the phrase about the period comes first, and the phra - n ANS✔ A. Turn it into an "if/then" statement. A formalized hypothesis written int he form of an if/then statement can be tested. A statement may make a prediction or imply a cause/effect relationship, but that does not necessarily make it a good hypothesis. Qs THE NEXT TWO QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION. A student is conducting an experiment using a ball that is attached to the end of a string on a pendulum. The student pulls the ball back so that it is at an angle to its resting position. As the student releases the ball, it swings forward and backward. The student measures the time it takes the ball to make on complete period. A period is defined as the time it takes the ball to swing forward and back again to its starting positions. That is repeated using different string lengths.
C. skeletal D. rough - n ANS✔ B. Smooth muscle tissue is said to be arranged in a disorderly fashion because it is not striated like the other two types of muscle: cardiac and skeletal. Striations are line that can only be seen with a microscope.
- Smooth muscle is typically found in the supporting tissues of hollow organs and blood vessels.
- Cardiac muscle is found exclusively in the heart; it is responsible for the contractions that pump blood throughout the body.
- Skeletal muscle, by far the most preponderant in the body, controls the movements of the skeleton. The contractions of the skeletal muscle are responsible for all voluntary motion. There is no such thing as rough muscle. Qs Which of the following hormones is correctly attached with the gland/organ it is produced by? A. insulin; kidney B. testosterone; thyroid C. Melatonin; pineal D. epinephrine; gall bladder - n ANS✔ C. Melatonin is produced by the pineal gland. One the primary function of melatonin is regulation of the circadian cycle, which is the rhythm of sleep and wakefulness.
- Insulin helps regulate the amount of glucose in the blood. Without insulin, the body is unable to covert blood sugar into energy.
- Testosterone is the main hormone produced by the testes; it is responsible for the development of adult male sex characteristics.
- Epinephrine, also known as adrenaline, performs a number of functions; it quickens and strengthens the heartbeat and dilates the bronchioles. Epinephrine is one the hormones secreted when the body sense danger. Qs Which of the following best describes a section that divides the body into equal right and left parts? A. Midsagittal plane B. Coronal plane C. Oblique plane D. Frontal plane - n ANS✔ A. The midsagittal plane refers to a lengthwise cut that divides the body into equal right and left portions; it is also called the medial plane.
- The frontal or coral plane refers to ta cut that divides the body into anterior and posterior sections
- The oblique plane is when a cylindrical organ is sectioned with an angular cut across the organ. Qs In the development of genetic traits, one gene must match to one _______ for the traits to develop correctly. A. codon B. protein C. amino acids D. chromosomes - n
