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ATI TEAS 7

Chemistry

1. In the reaction 2Na + 2H2O → 2NaOH + H2, what is the limiting reactant when 3 moles of sodium react with 2 moles of water?

Correct answer: a

Rationale: Sodium is the limiting reactant because it runs out first in a 1:1 ratio with water.

2. What is the meaning of the phrase "to be on the same page"?

Correct answer: B

Rationale: The phrase means to be in agreement or share the same understanding.

3. The athlete ran the race in record time. Which word is the present participle of the verb "run"?

Correct answer: C

Rationale: The present participle form of a verb describes an ongoing action.

4. During sexual intercourse, sperm travels through a tube from the testes to the urethra. What is the name of this tube?

Correct answer: A

Rationale: The correct answer is A: 'Vas deferens.' The vas deferens is a tube that carries sperm from the testes to the urethra during ejaculation. It is a crucial part of the male reproductive system, allowing for the transport of sperm for fertilization. The epididymis is where sperm mature and are stored, not where they travel during intercourse. The seminal vesicle is a gland that produces a significant portion of the seminal fluid. The urethra is the tube that carries both urine and semen out of the body but is not where sperm travels from the testes.

5. The hypothalamus, a part of the brain, plays a crucial role in endocrine regulation. It secretes GnRH (Gonadotropin-releasing hormone) which stimulates the pituitary gland to produce FSH and LH. What is the MAIN function of FSH and LH?

Correct answer: B

Rationale: The correct answer is B: 'Control growth and development.' FSH (Follicle-stimulating hormone) and LH (Luteinizing hormone) are essential hormones produced by the pituitary gland in response to GnRH from the hypothalamus. FSH plays a key role in stimulating the growth and development of ovarian follicles in females and sperm production in males. LH triggers ovulation in females and stimulates the production of testosterone in males. These hormones are crucial for the reproductive system and play a major role in controlling growth and development during puberty and throughout adulthood. Therefore, the main function of FSH and LH is not to regulate blood sugar levels, stimulate the fight-or-flight response, or maintain calcium homeostasis, making options A, C, and D incorrect.

6. What is the author's stance towards the idea of smart cities?

Correct answer: C

Rationale: The passage acknowledges both the promise and challenges of smart cities, demonstrating a balanced perspective.

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