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Nursing Elites

ATI TEAS 7

physics

1. Define the term "velocity" in relation to motion.

Correct answer:

Rationale: Velocity is the rate of change of position concerning direction, unlike speed which only refers to distance traveled per unit time.

2. How does an increase in temperature generally affect the solubility of most solid solutes in a liquid solvent?

Correct answer: a

Rationale: In general, increasing temperature tends to increase the solubility of most solid solutes in liquid solvents. The other choices do not accurately describe the effect of temperature on solubility.

3. The gut microbiome refers to the community of microorganisms living in the digestive tract. What is the significance of a healthy gut microbiome?

Correct answer: C

Rationale: The gut microbiome plays a crucial role in breaking down complex carbohydrates that our bodies cannot digest on their own. These microorganisms help ferment fiber and other carbohydrates, producing short-chain fatty acids that provide energy and support gut health. Additionally, a healthy gut microbiome contributes to the synthesis of essential nutrients like vitamin K and some B vitamins. This process enhances nutrient absorption and overall health. While the other options are important functions related to the gut microbiome, the breakdown of complex carbohydrates is a key aspect that highlights the significance of maintaining a healthy gut microbiome.

4. Which type of muscle is found in the walls of hollow organs, such as the stomach and intestines, and is responsible for involuntary contractions to propel substances through the organs?

Correct answer: b

Rationale: The correct answer is B: Smooth muscle. Smooth muscle is found in the walls of hollow organs like the stomach and intestines. It is responsible for involuntary contractions to move substances through these organs. Unlike skeletal muscle (answer C) and cardiac muscle (answer A), smooth muscle is not under voluntary control. Striated muscle (answer D) is a term that refers to both skeletal and cardiac muscle due to their striped appearance under a microscope, but smooth muscle does not have this striped appearance.

5. The energy required to break a chemical bond is called:

Correct answer: C

Rationale: Rationale: Activation energy is the energy required to break a chemical bond and initiate a chemical reaction. Kinetic energy (option A) is the energy of motion, potential energy (option B) is stored energy, and bond energy (option D) is the energy required to break a particular chemical bond in a molecule. Among the options provided, activation energy best describes the energy required to break a chemical bond.

6. A patient weighs 180 pounds. What is their weight in kilograms (1kg = 2.2lbs)?

Correct answer: C

Rationale: Divide the weight in pounds (180) by the conversion factor (2.2lbs/kg).

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