convert 075 kilograms to grams
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ATI TEAS 7

Metric Conversions for TEAS 7

1. Convert 0.75 kilograms to grams.

Correct answer: B

Rationale: To convert kilograms to grams, you need to multiply by 1000 since there are 1000 grams in a kilogram. Therefore, 0.75 kilograms is equal to 0.75 x 1000 = 750 grams. Choices A, C, and D are incorrect as they incorrectly place the decimal point and do not reflect the correct conversion from kilograms to grams.

2. What type of molecule forms the cell membrane and controls what enters and exits the cell?

Correct answer: C

Rationale: The cell membrane is primarily composed of lipids, specifically phospholipids, which form a lipid bilayer. This lipid bilayer controls what enters and exits the cell, providing a barrier that is selectively permeable. While proteins are also important components of the cell membrane and play various roles, lipids are the main structural component responsible for the membrane's permeability and function. Carbohydrates and nucleic acids are not the primary components of the cell membrane and do not have the same structural role as lipids.

3. Which of the following statements would be LEAST relevant in a formal essay about artist Salvador Dalí?

Correct answer: C

Rationale: Option C is subjective and personal, making it less suitable for a formal essay about Salvador Dalí. In formal writing, it is important to maintain objectivity and focus on factual information rather than personal opinions. Choices A, B, and D provide relevant information about Dalí, his artwork, and his collaborations, which are more appropriate for inclusion in a formal essay.

4. Which muscular pouch in the upper left abdomen stores food after swallowing and begins mechanical and chemical digestion?

Correct answer: B

Rationale: The correct answer is B: Stomach. The stomach is the muscular pouch in the upper left abdomen that stores food after swallowing and begins mechanical and chemical digestion. It secretes gastric juices containing enzymes and hydrochloric acid to break down food particles. The esophagus is a muscular tube that carries food from the mouth to the stomach, while the small intestine and large intestine are primarily involved in the absorption of nutrients and water, respectively. Therefore, the stomach is the organ responsible for the described functions, making it the correct answer in this context.

5. Which valve prevents the return of blood into the right ventricle?

Correct answer: A

Rationale: The correct answer is A: Pulmonary semilunar valve. The pulmonary semilunar valve is located between the right ventricle and the pulmonary artery. It opens to allow blood to be pumped into the pulmonary artery but closes to prevent blood from returning back into the right ventricle. The aortic semilunar valve is located between the left ventricle and the aorta. The tricuspid valve is located between the right atrium and right ventricle, and the mitral valve is located between the left atrium and left ventricle. Therefore, the pulmonary semilunar valve is the specific valve responsible for preventing the backflow of blood into the right ventricle during the cardiac cycle.

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