ATI TEAS 7
Practice TEAS Science Test Questions
Question 1 of 5
Which part of the cell is responsible for storing genetic information?
Correct Answer: C
Rationale: The correct answer is C: Nucleus. The nucleus contains the cell's genetic material in the form of DNA, which carries the instructions for the cell's functions and characteristics. This is where processes such as transcription and replication occur. Ribosomes (choice A) are responsible for protein synthesis. Mitochondria (choice B) are the powerhouse of the cell, producing energy. Cytoplasm (choice D) is the fluid that fills the cell and supports organelles, but it does not store genetic information.
Question 2 of 5
Which of the following is a genetic condition that affects the respiratory system?
Correct Answer: B
Rationale: Cystic fibrosis is the correct answer because it is a genetic condition that primarily affects the respiratory system by causing mucus buildup in the lungs, leading to breathing difficulties and recurrent lung infections. This condition is caused by mutations in the CFTR gene. Asthma (A) is a chronic respiratory condition characterized by inflammation and narrowing of the airways but is not a genetic disorder. Mycosis (C) refers to fungal infections and does not specifically affect the respiratory system. Surfactant Deficiency (D) is a condition where insufficient surfactant is produced in the lungs, leading to respiratory distress in newborns, but it is not primarily a genetic condition affecting the respiratory system.
Question 3 of 5
Which part of the digestive system is responsible for absorbing water and forming feces?
Correct Answer: C
Rationale: The correct answer is C: Large intestine. The large intestine is responsible for absorbing water and forming feces as it reabsorbs water from the indigestible food particles that pass through it, leading to the formation of solid waste (feces). The stomach (A) primarily breaks down food with gastric juices. The small intestine (B) is where most nutrient absorption occurs, not water absorption for feces formation. The esophagus (D) is a muscular tube that carries food from the mouth to the stomach, with no role in water absorption or feces formation.
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
Which of the following antibodies can cross the placenta?
Correct Answer: C
Rationale: The correct answer is C: IgG. IgG is the only antibody that can cross the placenta due to its smaller size and ability to bind to neonatal Fc receptors. This allows for passive immunity to be transferred from mother to fetus. IgA is mainly found in mucosal secretions, IgD functions as a B cell receptor, and IgM is primarily involved in the primary immune response. IgG is the most abundant antibody in the circulation and plays a crucial role in protecting the fetus from infections.
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