select the phrase that will make the following sentence grammatically correct before i had finished supper james
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HESI A2

HESI A2 Grammar Practice Exam

1. Select the phrase that will make the following sentence grammatically correct. Before I had finished supper, James ___________.

Correct answer: B

Rationale: The sentence starts with 'Before I had finished supper,' indicating that the action of James texting you on your cell phone had occurred before the completion of another past action (finishing supper). The past perfect tense 'had texted' is used to express an action that happened before another action in the past, making the sentence grammatically correct. Choice A is incorrect because it uses the present continuous tense, which is not suitable for indicating an action that occurred before finishing supper. Choice C is incorrect as it uses the simple present tense, which does not convey the sequence of events correctly. Choice D is incorrect as it presents the present continuous tense, which is not appropriate for the context of the sentence.

2. Which organelle is responsible for organizing protein synthesis?

Correct answer: B

Rationale: The correct answer is B: Ribosome. Ribosomes are responsible for organizing protein synthesis by assembling amino acids. They are the cellular machinery where proteins are synthesized. The other choices, such as the nucleus, lysosome, and vacuole, do not directly participate in protein synthesis. The nucleus contains DNA and controls cell activities, the lysosome is involved in digestion and waste removal, and the vacuole is responsible for storage and maintaining cell turgor pressure.

3. A body part that has atrophied has ______.

Correct answer: B

Rationale: The correct answer is 'Withered.' Atrophied means that a body part has wasted away or decreased in size. 'Enlarged' (Choice A) means to make or become larger, which is the opposite of atrophied. 'Swollen' (Choice C) means to become larger or rounder in size, usually due to fluid retention or inflammation, which is not the same as atrophied. 'Damaged' (Choice D) means harmed or injured, but it does not specifically refer to the wasting away or shrinking of a body part.

4. What is the function of white blood cells?

Correct answer: B

Rationale: White blood cells are a vital part of the immune system. Their primary function is to fight infections by attacking bacteria, viruses, and other pathogens that enter the body. They play a crucial role in protecting the body against illnesses and maintaining overall health. Choice A is incorrect because the role of carrying oxygen to cells is primarily performed by red blood cells. Choice C is incorrect as the transportation of nutrients is mainly carried out by the bloodstream and specialized cells. Choice D is incorrect as the process of clotting blood is primarily mediated by platelets.

5. If the regular price of a bar is $2.50, how much do you save per bar if you purchase a value pack of 8 bars for $20?

Correct answer: B

Rationale: To determine how much you save per bar when buying a value pack of 8 bars for $20, calculate the individual price per bar by dividing the total price by the number of bars: $20 ÷ 8 = $2.50 per bar. When the pack price is lower than the individual price, you save money. The saving per bar is found by subtracting the pack price from the individual price: $2.50 (individual price) - $2.50 (pack price) = $0.40. Therefore, you save 40 cents per bar by purchasing the value pack. Choice A, 15¢, is incorrect because the actual saving is $0.40. Choice C, 75¢, is incorrect as it doesn't match the calculated saving. Choice D, $1.20, is incorrect as it is not the actual amount saved per bar.

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