Nursing Elites

1. Which of the following sentences is written correctly?

• A. Maya, my pet bird, can say “hello” in three languages.
• B. Jason, Peter, Alice, and Soojin all wanted to visit the new museum.
• C. Don’t forget to bring your violin, music book, and music stand to the lessons.
• D. If you bring all of the supplies for the project, I will provide the workspace.

Correct answer: A

Rationale: This sentence correctly uses commas to set off the nonrestrictive phrase 'my pet bird' in between the name 'Maya' and the rest of the sentence. Nonrestrictive phrases provide additional information but are not essential to the sentence's meaning. Choice B has a missing comma after 'Peter' to separate the list of names correctly. Choice C should use commas, not dashes, to separate the items in the list. Choice D lacks a comma after 'project' to separate the clauses in a compound sentence.

2. Which valve prevents backflow into the atrium when the ventricles contract?

• A. Pulmonary valve
• B. Tricuspid valve
• C. Mitral valve
• D. Aortic valve

Correct answer: B

Rationale: The tricuspid valve (right atrioventricular valve) prevents backflow into the right atrium when the right ventricle contracts. This valve ensures that blood flows in the correct direction, preventing regurgitation into the atrium. The pulmonary valve is responsible for preventing backflow into the right ventricle from the pulmonary artery. The mitral valve prevents backflow into the left atrium, and the aortic valve prevents backflow into the left ventricle from the aorta. Therefore, the correct answer is the tricuspid valve as it specifically addresses the scenario of backflow into the atrium during ventricular contraction.

3. Based on the sentence contexts, which is true about the word bark?

• A. It is impossible to tell its meaning because its spelling and pronunciation are the same in both.
• B. The references to the dog in the first sentence and to the tree in the second define its meaning.
• C. "Bark" refers to a sound in the second sentence, and it refers to a plant covering in the first sentence.
• D. The meaning of this word is different in each sentence, but in one of them it is spelled wrong.

Correct answer: C

Rationale: The word "bark" is used in two different contexts in the sentences provided. In the first sentence, "bark" refers to the covering of a tree, while in the second sentence, it refers to a sound made by a dog. Therefore, option C correctly states that "bark" has different meanings in each sentence - plant covering in the first sentence and a sound in the second. Option A is incorrect because the meanings are clear from the context. Option B is incorrect as the meaning is not defined by the references to the dog or the tree but by the context of the sentences. Option D is incorrect because there is no misspelling of the word in either sentence.

4. What is the process by which genetic information is used to produce proteins?

• A. Replication
• B. Transcription
• C. Translation
• D. Mutation

Correct answer: C

Rationale: A) Replication is the process by which DNA is copied to produce an identical strand of DNA. This process occurs during cell division to ensure that each daughter cell receives a complete set of genetic information. B) Transcription is the process by which genetic information from DNA is copied into a complementary RNA molecule. This RNA molecule, known as messenger RNA (mRNA), serves as a template for protein synthesis during translation. C) Translation is the process by which the genetic information carried by mRNA is decoded to produce a specific sequence of amino acids, which are then assembled into a protein. This process occurs at the ribosomes in the cytoplasm of the cell. D) Mutation refers to a change in the DNA sequence that can result in alterations to the genetic information. Mutations can occur spontaneously or be induced by external factors such as radiation or chemicals. While mutations can impact protein synthesis, they are not the process by which genetic inf

5. If an organism is AB, which of the following combinations in the gametes is NOT possible?

• A. AB
• B. AA
• C. BB
• D. AB

Correct answer: B

Rationale: The correct answer is B. If an organism is AB, it indicates that it carries two different alleles. During gamete formation, each gamete receives only one allele from the pair present in the organism. Therefore, in this case, the possible gametes would be 'A' and 'B,' making 'AA' impossible. Choice A, 'AB,' is possible as each gamete can carry one of the alleles from the genotype. Similarly, 'BB' is also possible if one of the alleles separates into a gamete. Choice D, 'AB,' is essentially the same genotype as the organism and is a possible combination in the gametes.

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