ATI TEAS 7
Science TEAS Practice Test Questions
Question 1 of 5
Which of the following organs functions as both an endocrine and exocrine gland?
Correct Answer: C
Rationale: The correct answer is C: The pancreas. The pancreas functions as both an endocrine and exocrine gland. It secretes digestive enzymes (exocrine function) into the small intestine and produces hormones such as insulin and glucagon (endocrine function). This dual role allows the pancreas to regulate both digestion and blood sugar levels. Incorrect Answers: A: The kidney - Functions mainly in filtration and regulation of fluid balance, not as an endocrine/exocrine gland. B: The spleen - Primarily involved in immune function and blood filtration, not as an endocrine/exocrine gland. D: The stomach - Secretes digestive enzymes, but does not have a significant endocrine function like the pancreas.
Question 2 of 5
The acceleration of a falling object due to gravity has been proven to be 9.8 m/s�. A scientist drops a cactus four times and measures the acceleration with an accelerometer and gets the following results: 9.79 m/s�, 9.81 m/s�, 9.80 m/s�, and 9.78 m/s�. Which of the following accurately describes the measurements?
Correct Answer: A
Rationale: Failed to generate a rationale after 5 retries.
Question 3 of 5
Which of the following is NOT a component of the genitourinary system?
Correct Answer: C
Rationale: The correct answer is C: The rectum. The genitourinary system consists of organs involved in reproduction and waste elimination. The rectum is part of the digestive system, not the genitourinary system. The kidneys (A), urethra (B), and bladder (D) are all essential components directly involved in the production, storage, and elimination of urine. The rectum plays a role in the elimination of solid waste and is not part of the genitourinary system.
Question 4 of 5
Which type of cell secretes antibodies?
Correct Answer: D
Rationale: The correct answer is D: Plasma cells. Plasma cells are a type of white blood cell that produces and secretes antibodies, which are essential for the immune response. Plasma cells are specifically designed to produce antibodies to fight off infections. Bacterial cells (choice A) and viral cells (choice B) do not secrete antibodies as they are pathogens. Lymph cells (choice C) are a general term for various types of white blood cells, including plasma cells, but not all lymph cells secrete antibodies. Plasma cells, on the other hand, are specialized for antibody production, making choice D the correct answer.
Question 5 of 5
Which of the following is true regarding T cells?
Correct Answer: D
Rationale: The correct answer is D because T cells play a crucial role in the immune response by recognizing and attacking infected cells or pathogens. They are a type of white blood cell, making choice B valid. Choice C is accurate as T cells mature in the thymus during their development. Choice A is incorrect because T cells are present in all individuals, not just those with leukemia.
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