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Nursing Elites

ATI TEAS 7

Chemistry

1. Which of the following is the smallest part of an element that can still be recognized as that element?

Correct answer: D

Rationale: An atom is the smallest unit of matter that retains the chemical properties of an element. It is composed of a nucleus containing protons and neutrons, and electrons that orbit the nucleus. The number of protons in the nucleus determines the atomic number of the element, and the number of neutrons determines the isotope of the element.

2. Which of the following best describes a balanced force acting on an object?

Correct answer: b

Rationale: When balanced forces act on an object, the object remains in a state of constant velocity (including at rest).

3. Which type of muscle is characterized by involuntary contractions, is striated, and is primarily found in the heart?

Correct answer: C

Rationale: The correct answer is C: Cardiac muscle. Cardiac muscle is characterized by involuntary contractions, meaning it contracts without conscious control. It is striated, which refers to the striped appearance of muscle fibers under a microscope. Cardiac muscle is primarily found in the heart, where it plays a crucial role in pumping blood throughout the body. Skeletal muscle (option A) is also striated but is under voluntary control. Smooth muscle (option B) is non-striated and found in organs like the intestines. Elastic muscle (option D) is not a recognized type of muscle tissue.

4. Julius stresses the importance of promoting ‘esprit d corps’ among the members of the unit.

Correct answer: D

Rationale: The correct answer is D because it emphasizes the idea of collective effort and striving for excellence, which aligns with promoting 'esprit de corps' - a sense of unity and camaraderie among group members. By working together and combining their efforts, the unit can enhance the quality of care they provide. This fosters a positive team spirit and encourages collaboration. The other options do not directly address the concept of 'esprit de corps' or the importance of unity and teamwork within the group.

5. What literary device is used in the line "The sea whispered secrets to the shore"?

Correct answer: B

Rationale: The sentence gives human qualities to the sea, like whispering, creating personification.

6. What are the four main types of macromolecules that are essential for life?

Correct answer: A

Rationale: These four types of macromolecules are the building blocks of life and play essential roles in various cellular processes. Carbohydrates: Carbohydrates are the primary energy source for cells and provide structural support for cell membranes and other cellular components. They are composed of carbon, hydrogen, and oxygen atoms and are classified into monosaccharides (simple sugars), disaccharides (double sugars), and polysaccharides (complex sugars). Lipids: Lipids are a diverse group of molecules that include fats, oils, and waxes. They are composed of carbon, hydrogen, and oxygen atoms and are insoluble in water but soluble in nonpolar solvents. Lipids serve as energy storage molecules, provide insulation for cells and organs, and are essential components of cell membranes. Proteins: Proteins are complex molecules composed of amino acids linked together by peptide bonds. They are responsible for a vast array of cellular functions, including structural support, enzymatic catalysis,

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