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Nursing Elites

ATI TEAS 7

Chemistry

1. What is the common name for the compound CH₃COOH?

Correct answer: A

Rationale: CH₃COOH is commonly known as acetic acid. The other choices represent different organic acids.

2. What is the scientific term for the involuntary rhythmic contraction and relaxation of the heart muscle?

Correct answer: D

Rationale: The correct answer is D: Systole and diastole. Systole refers to the phase of the heartbeat when the heart muscle contracts and pumps blood out, while diastole is the phase when the heart muscle relaxes and fills with blood. This rhythmic contraction and relaxation of the heart muscle is crucial for maintaining blood circulation throughout the body. Peristalsis (option A) is the involuntary constriction and relaxation of the muscles of the gastrointestinal tract that pushes contents forward. Myogenesis (option B) is the formation of muscle tissue. Myocardial contractility (option C) refers to the ability of the heart muscle to contract. Therefore, the most appropriate term for the described process is systole and diastole.

3. What is the main idea of the passage?

Correct answer: C

Rationale: B mentions Petra's architecture, but not its connection to trade. A and D are factually incorrect and not supported by the passage. Choice C accurately identifies Petra's rise and fall as tied to its position on the Silk Road, making it the main idea.

4. The urethra is the tube that carries urine from the bladder to the outside of the body. How does urine flow through the urethra?

Correct answer: C

Rationale: The correct answer is C: "Under voluntary control of sphincter muscles." The urethra is the tube responsible for carrying urine from the bladder to the outside of the body. Urine flow through the urethra is not continuous but rather under voluntary control. The sphincter muscles, located at the opening of the bladder and urethra, help control the release of urine. This control allows individuals to regulate when and where they empty their bladder, providing a mechanism to prevent involuntary leakage of urine. Therefore, option C accurately describes how urine flows through the urethra.

5. What is the ethical concern surrounding genetic engineering?

Correct answer: D

Rationale: Rationale: A) Risk of introducing new diseases: Genetic engineering involves manipulating the genetic material of organisms, which can potentially lead to the creation of new diseases or the spread of existing ones in unintended ways. This risk raises ethical concerns about the potential harm to human health and the environment. B) Potential for misuse and discrimination: Genetic engineering technologies can be misused for purposes such as creating biological weapons or enhancing certain traits in individuals, leading to discrimination based on genetic makeup. This raises ethical concerns about fairness, justice, and the potential for societal harm. C) Unforeseen consequences on ecosystems: Genetic engineering can have unintended consequences on ecosystems, such as disrupting natural balances or harming biodiversity. These unforeseen impacts raise ethical concerns about the responsibility of scientists and policymakers to consider the long-term effects of genetic modifications on th

6. A kite has a top base of 20cm, a bottom base of 30cm, and two equal side lengths of 15cm. What is its perimeter?

Correct answer: C

Rationale: Add the lengths of all sides: perimeter = top base + bottom base + 2 * side length = 20cm + 30cm + 2 * 15cm = 70cm.

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