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Nursing Elites

ATI TEAS 7

Biology

1. Which of the following is NOT a primary producer in an ecosystem?

Correct answer: B

Rationale: Rationale: - A) Grass: Grass is a primary producer because it can photosynthesize and convert sunlight into energy, making it the base of the food chain. - B) Deer: Deer are consumers that feed on primary producers like grass, so they are not primary producers themselves. - C) Algae: Algae are primary producers that can photosynthesize and produce energy from sunlight. - D) Mushroom: Mushrooms are decomposers that break down organic matter, so they are not primary producers.

2. The fluid-filled sacs that cushion the brain within the skull are called:

Correct answer: B

Rationale: The correct answer is B: Cerebrospinal fluid. Cerebrospinal fluid is a clear, colorless fluid that surrounds the brain and spinal cord, acting as a cushion to protect the central nervous system from injury. Meninges (Option A) are the protective membranes that cover the brain and spinal cord, while the dura mater (Option C) and arachnoid mater (Option D) are specific layers of the meninges. However, cerebrospinal fluid is the fluid-filled sac that directly cushions the brain within the skull, making it the most appropriate answer for this question.

3. Which word best completes the sentence: "The scientist conducted the experiment with _____ precision."

Correct answer: C

Rationale: Option C emphasizes the absolute and complete accuracy of the experiment.

4. The process of a fertilized egg attaching itself to the uterine lining is called:

Correct answer: B

Rationale: The correct answer is B: Implantation. Implantation is the process where the fertilized egg, known as a zygote, attaches itself to the uterine lining to begin developing into an embryo. Ovulation is the release of an egg from the ovary, not the attachment process. Parturition refers to the process of giving birth, while menstruation is the shedding of the uterine lining if fertilization does not occur. Therefore, in the context of pregnancy, the process described is specifically referred to as implantation.

5. The final sentence suggests that public discourse about AI should focus on

Correct answer: C

Rationale: The emphasis on "ongoing public discourse" and "the future of AI in society" suggests a call for open discussions and collective responsibility, aligning with C.

6. The body's first line of defense against pathogens is the innate immune system. Which of the following is NOT a component of the innate immune system?

Correct answer: D

Rationale: The innate immune system is the body's first line of defense against pathogens and includes physical barriers like skin and mucous membranes, phagocytes that engulf and destroy pathogens, and the inflammatory response to isolate and contain infection. However, the production of antibodies specific to a particular pathogen is a function of the adaptive immune system, not the innate immune system. The innate immune system provides immediate, nonspecific defenses, while the adaptive immune system generates specific responses to target pathogens. Therefore, option D is NOT a component of the innate immune system, making it the correct answer in this question.

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