Nursing Elites

1. Solve the equation for the unknown. 3x + 2 = 20

• A. x = 2
• B. x = 4
• C. x = 6
• D. x = 8

Correct answer: C

Rationale: Simplify the equation step by step: Subtract 2 from both sides: 3x + 2 - 2 = 20 - 2 3x = 18 Divide both sides by 3: x = 18 ÷ 3 x = 6 Therefore, the correct answer is C (x = 6).

2. Which of the following words in the sentence is an adverb? We should go outside.

• A. We
• B. should
• C. go
• D. outside

Correct answer: D

Rationale: The word 'outside' is the adverb in the sentence. An adverb is a word that modifies a verb, adjective, or another adverb. In this sentence, 'outside' modifies the verb 'go' by indicating the location where the action is taking place. Choices A, B, and C are incorrect because 'We' is a pronoun, 'should' is a modal verb, and 'go' is the main verb in the sentence, none of which function as adverbs.

3. Which of the following neurotransmitters slows down the activity of neurons, preventing them from becoming overexcited?

• A. Acetylcholine
• B. Dopamine
• C. GABA
• D. Serotonin

Correct answer: C

Rationale: The correct answer is C: GABA (gamma-aminobutyric acid). GABA acts as an inhibitory neurotransmitter that reduces neuronal activity, thus preventing overexcitation. Acetylcholine (choice A) is involved in muscle control and cognitive function, but it is not primarily responsible for slowing down neuronal activity. Dopamine (choice B) plays a role in reward-motivated behavior and motor control, rather than inhibiting neuronal firing. Serotonin (choice D) is involved in mood regulation, sleep, and appetite but does not primarily slow down neuronal activity to prevent overexcitation.

4. What potential consequences can chromosomal nondisjunction have on offspring?

• A. Down syndrome, caused by an extra copy of chromosome 21.
• B. Turner syndrome, characterized by the absence of one X chromosome in females.
• C. Klinefelter syndrome, featuring one or more extra X chromosomes in males.
• D. All of the above.

Correct answer: D

Rationale: - Chromosomal nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly during cell division, leading to an abnormal number of chromosomes in the resulting cells. - Down syndrome is caused by an extra copy of chromosome 21, resulting from nondisjunction during meiosis. Individuals with Down syndrome have three copies of chromosome 21 instead of the usual two. - Turner syndrome is characterized by the absence of one X chromosome in females, leading to a variety of physical and developmental features. - Klinefelter syndrome features one or more extra X chromosomes in males, typically resulting in infertility and other physical characteristics. Therefore, chromosomal nondisjunction can lead to various genetic disorders such as Down syndrome, Turner syndrome, and Klinefelter syndrome, making option D the correct answer.

5. Which of the following shows the correct chronological order of events from the passage?

• A. Princess Charlotte Augusta died, Princess Alexandrina Victoria was born, King George IV married Maria Fitzherbert, King George IV married Caroline of Brunswick
• B. Princess Alexandrina Victoria was born, King George IV married Maria Fitzherbert, King George IV married Caroline of Brunswick, Princess Charlotte Augusta died
• C. King George IV married Maria Fitzherbert, King George IV married Caroline of Brunswick, Princess Charlotte Augusta died, Princess Alexandrina Victoria was born
• D. King George IV married Caroline of Brunswick, Princess Charlotte Augusta died, King George IV married Maria Fitzherbert, Princess Alexandrina Victoria was born

Correct answer: C

Rationale: The passage provides a timeline of events related to King George IV, Princess Charlotte Augusta, and Princess Alexandrina Victoria. King George IV secretly married Maria Fitzherbert in 1783 and later married Caroline of Brunswick in 1795. Princess Charlotte Augusta, the daughter of King George IV and Caroline, died in 1817. Princess Alexandrina Victoria, who later became Queen Victoria, was born in 1819. Therefore, the correct chronological order of events is: King George IV married Maria Fitzherbert, King George IV married Caroline of Brunswick, Princess Charlotte Augusta died, and Princess Alexandrina Victoria was born (Choice C). Choices A, B, and D do not follow the correct chronological order as depicted in the passage.

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