ATI TEAS 7
ATI TEAS Practice Test Science Questions
Question 1 of 5
Which organelle in the cell is responsible for producing energy in the form of ATP?
Correct Answer: B
Rationale: The correct answer is B: Mitochondria. Mitochondria are known as the powerhouses of the cell and are responsible for producing energy in the form of ATP through cellular respiration. ATP is the primary energy currency of the cell, powering various cellular activities. The nucleus (choice A) is responsible for housing the cell's genetic material but is not involved in ATP production. Ribosomes (choice C) are involved in protein synthesis, not energy production. The Golgi apparatus (choice D) is responsible for modifying, sorting, and packaging proteins for secretion, not for ATP production.
Question 2 of 5
What type of tissue is found in the outermost layer of skin?
Correct Answer: C
Rationale: The correct answer is C: Epithelial tissue. Epithelial tissue forms the outermost layer of the skin, providing protection against external factors. It serves as a barrier and helps in preventing water loss and entry of pathogens into the body. Choice A, Muscle tissue, is incorrect as muscle tissue is responsible for movement, not skin structure. Choice B, Connective tissue, is incorrect as it provides support and structure to the body but is not the main component of the outermost layer of the skin. Choice D, Nervous tissue, is incorrect as nervous tissue is responsible for transmitting signals within the body, not for the outermost layer of the skin.
Question 3 of 5
What is the primary function of the large intestine?
Correct Answer: B
Rationale: The correct answer is B. The primary function of the large intestine is to absorb water from digested food and form feces for elimination. It does not primarily digest food, absorb proteins, or regulate blood pressure. Choice A is incorrect because the large intestine does not digest food but rather absorbs nutrients and water. Choice C is incorrect as the absorption of proteins primarily occurs in the small intestine. Choice D is incorrect as the regulation of blood pressure is not a primary function of the large intestine.
Question 4 of 5
Which part of the brain controls balance and coordination?
Correct Answer: B
Rationale: The cerebellum is the correct answer as it is the part of the brain responsible for controlling balance and coordination in the body. It receives input from various parts of the brain, spinal cord, and sensory systems to help coordinate voluntary movements. The cerebrum (choice A) is mainly involved in higher brain functions such as thinking, decision-making, and voluntary movements but not specifically balance and coordination. The medulla (choice C) is essential for functions like breathing, heart rate, and blood pressure regulation but not primarily for balance and coordination. The thalamus (choice D) acts as a relay station for sensory information but is not primarily responsible for balance and coordination.
Question 5 of 5
Which of the following glands produces hormones that regulate metabolism?
Correct Answer: C
Rationale: The thyroid gland is responsible for producing hormones that play a crucial role in regulating metabolism. One of the key hormones produced by the thyroid gland is thyroxine, which directly influences the body's metabolic rate. Therefore, the correct answer is the thyroid gland. The adrenal gland produces hormones like adrenaline, which are associated with the stress response and not primarily metabolic regulation. The pituitary gland regulates various other hormones but is not primarily responsible for metabolic regulation. The liver has a role in metabolism, mainly in processes like detoxification and nutrient storage, but it is not a gland that primarily produces hormones for metabolic regulation, making it an incorrect choice in this context.
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