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Nursing Elites

ATI TEAS 7

physics

1. What effect does doubling the net force applied to an object have on its acceleration, assuming mass remains constant?

Correct answer: a

Rationale: According to Newton's second law (F = ma), if mass remains constant and force doubles, acceleration also doubles.

2. What kind of lens focuses parallel light rays to a single point?

Correct answer: B

Rationale: Convex lenses (converging lenses) bend incoming light rays inwards, focusing them to a point called the focal point.

3. 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.

4. The microscopic functional unit of the kidney responsible for filtering blood is the:

Correct answer: B

Rationale: The correct answer is B: Nephron. The nephron is the microscopic functional unit of the kidney responsible for filtering blood and producing urine. It consists of the glomerulus, Bowman's capsule, proximal convoluted tubule, loop of Henle, and distal convoluted tubule. The other options, A: Ureter, C: Renal pelvis, and D: Bladder, are incorrect as they are not parts of the nephron but rather other structures involved in the urinary system. The ureter is a tube that carries urine from the kidneys to the bladder, the renal pelvis is a funnel-shaped structure in the kidney that collects urine, and the bladder stores urine before it is excreted from the body.

5. What scientific term encompasses a permanent alteration in the DNA sequence?

Correct answer: B

Rationale: Rationale: A) Trait: A trait is a characteristic or feature of an organism that is determined by its genes. B) Mutation: A mutation is a permanent alteration in the DNA sequence that can result from errors during DNA replication, exposure to mutagens, or other factors. C) Allele: An allele is a variant form of a gene that can result in different traits or characteristics. D) Variation: Variation refers to the differences in traits or characteristics among individuals of the same species, which can be influenced by genetic and environmental factors. In this context, the term that specifically refers to a permanent alteration in the DNA sequence is "mutation."

6. What type of bond involves the complete transfer of electrons between atoms?

Correct answer: B

Rationale: Ionic bond - Electrons are completely transferred from one atom to another, creating cations and anions with strong electrostatic attraction.

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