Nursing Elites

1. What is the term for the process of exchanging gases (oxygen and carbon dioxide) between the blood and the tissues?

• A. Inhalation
• B. Exhalation
• C. External respiration
• D. Internal respiration

Correct answer: C

Rationale: External respiration is the correct term for the process of exchanging gases (oxygen and carbon dioxide) between the blood and the tissues. It specifically refers to the exchange of gases that occurs in the lungs, where oxygen is absorbed into the bloodstream and carbon dioxide is released from the bloodstream to be exhaled. Inhalation and exhalation, choices A and B, are phases of the breathing process that involve the intake and expulsion of air into and out of the lungs, respectively. Internal respiration, choice D, is the process of gas exchange that happens at the cellular level between the blood and body tissues, not between the blood and the lungs or tissues as in external respiration. Therefore, external respiration is the most appropriate term for the described gas exchange process in the question.

2. Which example uses correct punctuation?

• A. "I really can't make it," he answered, "you should probably go without me."
• B. "I really can't make it," he answered. "you should probably go without me."
• C. "I really can't make it," he answered. "You should probably go without me."
• D. "I really can't make it," he answered, "you should probably go without me."

Correct answer: A

Rationale: Choice A uses proper dialogue punctuation. The comma appears inside the closing quotation mark after 'make it,' and 'you' remains lowercase because it continues the same sentence. In Choice B, there is a period instead of a comma after 'answered,' breaking the sentence incorrectly. Choice C incorrectly places the comma outside the quotation mark after 'make it.' Choice D, similar to Choice B, uses a period instead of a comma after 'answered,' leading to incorrect punctuation.

3. What is the definition of the word 'antediluvian' in the sentence: 'Ermengarde loved spending time with her great-aunt, but she occasionally had to roll her eyes at what she considered to be Aunt Fredericka's antediluvian views about dating and relationships'?

• A. outdated
• B. confusing
• C. hostile
• D. Eager

Correct answer: A

Rationale: The word 'antediluvian' is often used to mean extremely old or outdated, especially in a derogatory sense. In this context, Ermengarde finds her great-aunt's views on dating and relationships to be old-fashioned or out of touch with modern ideas. 'Confusing', 'hostile', and 'Eager' do not accurately capture the meaning of 'antediluvian' in the given context, making them incorrect choices.

4. What is the building block of DNA?

• A. Amino acid
• B. Nucleotide
• C. Phosphate group
• D. Fatty acid

Correct answer: B

Rationale: - Amino acids are the building blocks of proteins, not DNA. - Nucleotide is the correct building block of DNA. A nucleotide consists of a sugar (deoxyribose in DNA), a phosphate group, and a nitrogenous base (adenine, thymine, cytosine, or guanine). - The option 'C) Phosphate group' is incorrect as it is only part of a nucleotide, not the complete building block of DNA. - Fatty acids are not the building blocks of DNA; they are a type of lipid molecule.

5. Which of the following describes the term allele?

• A. A specific form of a gene that can exist at a particular locus
• B. An inheritable variation of a gene
• C. A grouping of various genes
• D. Variations of complementary base pairs

Correct answer: B

Rationale: The correct answer is B. Alleles are different forms of a gene that can exist at a specific locus. They represent variations of a gene and are inheritable. Choice A is incorrect as it does not fully capture the concept of an allele, which is a specific form of a gene rather than a substitution. Choice C is incorrect as alleles are not a grouping of various genes but rather different forms of a single gene at a specific locus. Choice D is also incorrect as it does not accurately describe alleles; alleles are variations of genes, not base pairs.

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