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Nursing Elites

ATI TEAS 7

Anatomy

1. Which of the following is NOT a risk factor for developing atherosclerosis?

Correct answer: C

Rationale: Regular physical activity is NOT a risk factor for developing atherosclerosis. In fact, engaging in regular physical activity can help reduce the risk of developing atherosclerosis by improving cardiovascular health, lowering blood pressure, and reducing LDL cholesterol levels. High blood pressure, high levels of LDL cholesterol, and smoking are all known risk factors for atherosclerosis. High blood pressure can damage blood vessels, making them more susceptible to plaque buildup. High levels of LDL cholesterol can lead to the accumulation of plaque in the arteries, narrowing the passageways and increasing the risk of atherosclerosis. Smoking is harmful to blood vessels, promoting inflammation and the formation of plaque. Therefore, regular physical activity is actually a protective factor against atherosclerosis rather than a risk factor.

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

Correct answer: D

Rationale: 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.

3. The energy required to break a chemical bond is called:

Correct answer: C

Rationale: Rationale: Activation energy is the energy required to break a chemical bond and initiate a chemical reaction. Kinetic energy (option A) is the energy of motion, potential energy (option B) is stored energy, and bond energy (option D) is the energy required to break a particular chemical bond in a molecule. Among the options provided, activation energy best describes the energy required to break a chemical bond.

4. Identify the preposition in the following sentence: The cat jumped over the fence.

Correct answer: C

Rationale: Prepositions show the relationship between a noun or pronoun and another word in the sentence. "Over" indicates the position of the cat in relation to the fence.

5. Which of the following is the main function of the heart?

Correct answer: C

Rationale: Rationale: The main function of the heart is to pump blood throughout the body. The heart is a muscular organ that works as a pump to circulate blood, which carries oxygen and nutrients to the body's tissues and removes waste products. Option A is incorrect because the kidneys are responsible for filtering blood. Option B is incorrect because the exchange of gases, such as oxygen and carbon dioxide, occurs in the lungs. Option D is incorrect because hormone production is primarily carried out by endocrine glands such as the pituitary gland and the thyroid gland.

6. Which sentence uses the modal verb "should" correctly?

Correct answer: B

Rationale: Option B conveys an intention or expectation regarding the present or near future.

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