Ati Teas Science Exam A+ Grade Assured Complete Solutions And Verified Answers

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Exam Solution +t




ATI TEAS Science 2026 A+ GRADE ASSURED COMPLETE
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SOLUTIONS AND VERIFIED ANSWERS (F79D4) +t +t +t +t




QUESTION 1 +t




Term
ANSWER

Definition



QUESTION 2 +t




The first four steps on the scientific method are as follows: I. Identify the problem. II. As
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k questions. III. Develop a hypothesis. Iv. Collect data and experiment on that data. Whic
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h of the following is the fifth step in the scientific method?
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A. Observe the data.
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B. Analyze the results.
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C. Measure the data.
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D. Develop a conclusion.
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ANSWER

B. Analyze the results. -
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There are six steps in the scientific process. The results of step four must be analyzed before reaching t
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he final step. "Develop a conclusion."
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QUESTION 3 +t




Which of the following is FALSE regarding the use of qualitative and quantitative data in
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scientific research? +t



A. Quantitative data is collected through numerical measurements.
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B. Quantitative data is more accurate than qualitative data.
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C. Qualitative data is focused on perspectives and behavior.
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D. Qualitative data is collected through observation and interviews.
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ANSWER

,B. Quantitative data is more accurate than qualitative data. The two types of measurement important in
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science are qualitative (When a numerical result is used) and qualitative (when descriptions or qualitie
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s are reported). -
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Qualitative data is collected through observation and interviews, and focuses on the informant's behavi
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or and perspectives.
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QUESTION 4 +t




Two criteria for classifying epithelial tissue are:
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A. Cell type and cell function
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B. Cell shape and cell type
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C. Cell layers and cell shape
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D. Cell function and cell layers
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ANSWER

C. Cell layers and cell shape are the criteria for classifying epithelial tissue. -
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Cell layers refers to the amount of cells that separate the basement membrane from the surface, such a
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s a simple single layer, a stratified layer (2 or more), or a pseudostratfied layer. -
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Cell shapes refer to the shape of the outer cells and can be squamous, columnar or cuboidal.
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QUESTION 5 +t




Where is the parathyroid gland located? +t +t +t +t +t



A. On the lateral lobes of the thyroid gland, on the posterior aspect.
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B. On the pyramidal lobe of the thyroid gland, on the posterior aspect.
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C. On the lateral thyroid gland, on the anterior aspect.
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D. On the left lateral lobe of the thyroid gland, on the anterior aspect.
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ANSWER

A. The parathyroid gland is located on the lateral lobes of the thyroid gland in the neck, on the posterio
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r aspect. - It is part of the endocrine system. -
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When the supply of calcium in blood diminishes to unhealthy levels, the parathyroid gland motivates t
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he secretion of a hormone that encourages the bones to release calcium into the bloodstream. The para
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thyroid Gand also regulates the amount of phosphate in the blood by stimulating the excretion of phosp
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hates in the urine. +t +t +t




QUESTION 6 +t




How many organ system are in the human body?
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A. 12 +t



B. 15 +t



C. 9 +t



D. 11 +t




ANSWER

,D. There are 11 organ systems n the human body. - Circulatory System - Digestive System -
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Endocrine System - Integumentary System - Lymphatic System - Muscular System - Nervous System -
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Reproductive System - Respiratory System - Skeletal System - Urinary System
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QUESTION 7 +t




Which element or structure within the respiratory system is responsible for removing fo
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reign matter from the lungs? +t +t +t +t



A. Bronchial tubes
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B. Cilia +t



C. Trachea+t



D. Alveoli +t




ANSWER

B. Cilia. -
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The cilia are the tiny hairs in the respiratory system that are responsible for removing reign matter fro
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m the lungs. -
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The cilia are located within the bronchial tubes, but it is the cilia that have the responsibility for remov
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ing inappropriate materials before they enter the lungs.
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QUESTION 8 +t




THE NEXT TWO QUESTIONS ARE BASED ON THE PERIODIC TABLE On average, how many
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neutrons does one atom of bromine(Br) have? Atomic # - 35 Atomic mass - 79.9
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A. 35 +t



B. 44.90 +t



C. 45 +t



D. 79.90 +t




ANSWER

B. 44.90 79.9-35 = 44.90
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QUESTION 9 +t




On average, how many protons does one atom of zinc (Zn) have? Atomic # -
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30 Atomic mass - 65.39
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A. 30 +t



B. 35 +t



C. 35.99 +t



D. 65.39 +t




ANSWER

A. 30 The number of protons is the same for every atom of a given element and is the elements's atomi
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c number; in this case 30 for Zinc (Zn).
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, QUESTION 10 +t




Which gland is responsible for the regulation of calcium levels?
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A. the parathyroid glands
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B. the pituitary gland
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C. the adrenal glands
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D. the pancreas
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ANSWER

A. The parathyroid glands The parathyroid glands are four small glands that isa on top of the thyroid gl
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and and regulate calcium levels by secreting parathyroid hormone. The hormone regulates the amount
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of calcium and magnesium that is excreted by the kidneys into the urine.
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QUESTION 11 +t




Which of the following describes one responsibility of the integumentary system?
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A. Distributing vital substances (such as nutrients) throughout the body
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B. Blocking pathogens that cause disease
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C. Sending leaked fluids from cardiovascular system back to the blood vessels
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D. sorting bodily hormones that influence gender traits.
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ANSWER

B. The integumentary system includes skin, hair, and mucous membranes, all of which are responsible-
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in part, at least-for blocking disease-causing pathogens from entering the bloodstream. -
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The circulatory system distributes vital substances through the body. -
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The lymphatic system sends leaked fluids from the cardiovascular system back to the blood vessels. -
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The reproductive system stores bodily hormones that influence gender traits.
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QUESTION 12 +t




When are the parasympathetic nerves active within the nervous system?
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A. when an individual experiences a strong emotion, such as fear or excitement.
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B. when an individual feels pain or heat.
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C. when an individual is either talking or walking.
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D. when an individual is either resting or eating.
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ANSWER

D. The parasympathetic nerves are active when an individual is ether resting or eating. -
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The sympathetic nerves are active when an individual experience a strong emotion, such as fear or exci
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tement. - +t



Feeling pain and hat fall under the responsibility of the sensory neurons. Talking and walking fall unde
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r the responsibility of the ganglia within the sensory-somatic nervous system.
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QUESTION 13 +t