ATI TEAS 7
Practice TEAS Science Test
1. What is the function of the Vas Deferens?
- A. Produces fluid to increase sperm mobility
- B. Site where the egg matures
- C. Helps control urine flow
- D. Connects each testis to the urethra
Correct answer: D
Rationale: The vas deferens is a duct that connects each testis to the urethra, allowing the transport of sperm. Choice A is incorrect because the vas deferens does not produce fluid to increase sperm mobility. Choice B is incorrect as the vas deferens is not a site for egg maturation. Choice C is incorrect as the vas deferens does not help control urine flow, its primary role is in the transport of sperm.
2. Which vitamin is produced when the skin is exposed to sunlight?
- A. Vitamin A
- B. Vitamin D
- C. Vitamin K
- D. Vitamin E
Correct answer: B
Rationale: Vitamin D is the correct answer. When the skin is exposed to sunlight, it triggers a process where a form of cholesterol in the skin is converted into vitamin D. This vitamin plays a crucial role in aiding calcium absorption in the gut, which is essential for maintaining strong and healthy bones. Vitamin A (Choice A) is important for vision and immune function but is not produced by sunlight exposure. Vitamin K (Choice C) is known for its role in blood clotting and bone metabolism, but it is not produced by sunlight. Vitamin E (Choice D) is an antioxidant that protects cells from damage but is not synthesized in the skin through sunlight exposure.
3. Which of the following is a function of the kidneys?
- A. To produce digestive enzymes
- B. To filter waste from the blood
- C. To produce white blood cells
- D. To produce red blood cells
Correct answer: B
Rationale: The correct answer is B: 'To filter waste from the blood.' The kidneys are vital organs responsible for filtering waste products from the blood, regulating fluid and electrolyte balance, and producing urine. Choice A is incorrect because the production of digestive enzymes primarily occurs in the pancreas and salivary glands. Choice C is incorrect as the production of white blood cells mainly takes place in the bone marrow and lymphatic system. Choice D is incorrect as the production of red blood cells occurs in the bone marrow.
4. Which structure in the skin is responsible for producing oil that keeps the skin and hair moisturized?
- A. Sudoriferous gland
- B. Sebaceous gland
- C. Hair follicle
- D. Melanocyte
Correct answer: B
Rationale: The correct answer is B: Sebaceous gland. Sebaceous glands are responsible for producing oil (sebum) that keeps the skin and hair moisturized. Sudoriferous glands produce sweat, not oil, and are involved in temperature regulation. Hair follicles are responsible for hair growth and do not produce oil directly. Melanocytes are cells responsible for producing melanin, the pigment that gives skin its color, and are not involved in oil production.
5. A researcher wants to conduct qualitative research. Which method should they use?
- A. Collecting patient narratives
- B. Tracking the dosage of a drug and its blood levels in the patient
- C. Observing a patient's physical changes
- D. Writing journal notes about the research experience
Correct answer: A
Rationale: Qualitative research focuses on gathering non-numerical, descriptive data to explore experiences, behaviors, or perspectives. Collecting patient narratives aligns with qualitative research as it involves capturing detailed accounts of individuals' experiences or viewpoints. Choices B, C, and D involve more quantitative approaches by focusing on measurable quantities, observations, or structured note-taking, which are not characteristic of qualitative research methods.
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