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Nursing Elites

ATI TEAS 7

Biology

1. What is the largest muscle in the human body?

Correct answer: A

Rationale: The gluteus maximus is the largest muscle in the human body, located at the back of the hip and extending from the sacrum to the femur. It is a powerful muscle that plays a crucial role in extending the hip joint, enabling walking, running, and climbing stairs.

2. Peppered moths in England came in two color variations – light and dark. After the Industrial Revolution, the population shifted towards more dark moths. This is an example of:

Correct answer: B

Rationale: Rationale: The phenomenon of peppered moths in England shifting towards more dark moths after the Industrial Revolution is a classic example of natural selection acting on pre-existing variation. Before the Industrial Revolution, light-colored moths were better camouflaged against lichen-covered tree trunks, which were common in the environment. However, with the increase in industrial pollution, the tree trunks became darker due to soot, making dark-colored moths better camouflaged and less likely to be eaten by predators. As a result, the population shifted towards more dark moths over time. This change in the moth population was driven by the selective pressure of predation, demonstrating the process of natural selection favoring individuals with traits that provide a survival advantage in a changing environment.

3. Which of the following is NOT a part of the body's innate immune response?

Correct answer: D

Rationale: The correct answer is D. The body's innate immune response is the first line of defense against pathogens, and it includes physical barriers like skin and mucous membranes (option A), phagocytes that engulf and destroy pathogens (option B), and the inflammatory response to isolate and contain infections (option C). The production of antibodies specific to a particular pathogen (option D) is part of the adaptive immune response, which develops over time and is not considered part of the innate immune system. Therefore, option D is not a component of the body's innate immune response.

4. Which word best synonyms with the word "elated"?

Correct answer: C

Rationale: "Elated" and "excited" both convey feelings of happiness and enthusiasm.

5. What property of matter remains constant regardless of changes in its state?

Correct answer: a

Rationale: Mass remains constant for a given amount of matter, regardless of its state (solid, liquid, or gas) or its location in the universe. Explanation of other options:

6. What is the process of making copies of RNA from DNA called?

Correct answer: B

Rationale: Rationale: Transcription is the process of making copies of RNA from DNA. During transcription, the enzyme RNA polymerase binds to a specific region of DNA and synthesizes a complementary RNA strand based on the DNA template. This process is essential for gene expression and protein synthesis in cells. Replication (option A) refers to the process of making copies of DNA, not RNA. Translation (option C) is the process of synthesizing proteins from mRNA, not making copies of RNA from DNA. DNA repair (option D) involves mechanisms that cells use to repair damaged DNA, not the process of making RNA copies from DNA.

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