ATI TEAS 7
Practice TEAS Science Test Questions
Question 1 of 5
Which organ stores and concentrates bile?
Correct Answer: B
Rationale: The correct answer is B: Gallbladder. The gallbladder stores and concentrates bile produced by the liver, releasing it into the small intestine to aid in digestion. The liver produces bile but does not store it. The pancreas produces digestive enzymes, not bile. The stomach produces gastric juices for digestion, not bile.
Question 2 of 5
Which of the following is an example of Mendelian inheritance?
Correct Answer: D
Rationale: The correct answer is D: Recessive Inheritance. Mendelian inheritance follows the principles proposed by Gregor Mendel, where traits are determined by pairs of genes, with one being dominant and the other recessive. In recessive inheritance, an individual must inherit two copies of the recessive allele to exhibit the trait. This type of inheritance follows Mendel's laws of segregation and independent assortment. In contrast, incomplete dominance (A) shows blending of traits, polygenic alleles (B) involve multiple genes contributing to a single trait, and combination inheritance (C) is not a recognized term in Mendelian genetics.
Question 3 of 5
Which of the following is an example of an organ?
Correct Answer: A
Rationale: The correct answer is A: Skin. An organ is a group of tissues that work together to perform specific functions in the body. Skin is the body's largest organ, made up of different layers that serve various functions like protection, sensation, and regulation of body temperature. Neuron (B) is a cell type, brainstem (C) is a part of the brain, and DNA (D) is a molecule, not an organ. Skin best fits the definition of an organ, making it the correct choice.
Question 4 of 5
A researcher wants to conduct qualitative research. Which method should they use?
Correct Answer: A
Rationale: The correct answer is A: Collecting patient narratives. Qualitative research aims to understand individuals' experiences and perceptions in-depth. Collecting patient narratives allows for capturing subjective insights, emotions, and personal perspectives. This method helps uncover themes, patterns, and nuances in participants' stories, providing rich data for analysis. B: Tracking drug dosage and blood levels is quantitative research, focusing on numerical data. C: Observing physical changes is more suitable for quantitative or observational research. D: Writing journal notes about the research experience is reflective and may provide insights but does not capture the essence of qualitative research, which is to explore subjective experiences.
Question 5 of 5
What is the role of bile in digestion?
Correct Answer: B
Rationale: Bile plays a crucial role in digestion by emulsifying fats. It breaks down large fat molecules into smaller droplets, increasing the surface area for enzymes to digest fats. This process aids in the absorption of fat-soluble vitamins and fatty acids. Choices A, C, and D are incorrect as bile does not directly break down carbohydrates, neutralize stomach acid, or absorb proteins in digestion.
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