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Nursing Elites

ATI TEAS 7

Anatomy

1. Urine, the liquid waste product of the body, travels from the kidneys to the bladder through tubes called:

Correct answer: A

Rationale: The correct answer is A: Ureters. Ureters are the tubes that connect the kidneys to the bladder, allowing urine to flow from the kidneys to the bladder for storage before elimination. The urethra, option B, is the tube through which urine is expelled from the bladder out of the body. Nephrons, option C, are the functional units of the kidneys responsible for filtering blood and producing urine. The renal pelvis, option D, is a part of the kidney where urine collects before entering the ureters. Therefore, the correct answer is A, as the ureters specifically carry urine from the kidneys to the bladder.

2. 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.

3. What happens to the density of a substance if its mass increases while its volume remains constant?

Correct answer: a

Rationale: Density is the ratio of mass to volume. If the mass increases while the volume remains constant, the density will increase as there is more mass in the same volume.

4. What is the term for a solution that has a lower concentration of solute compared to another solution?

Correct answer: C

Rationale: A dilute solution has a lower concentration of solute compared to another solution. The other choices do not accurately describe a dilute solution.

5. What is the function of introns in eukaryotic genes?

Correct answer: C

Rationale: Rationale: A) Introns do not code for protein sequences. Exons are the segments of DNA that code for proteins. B) While introns can indirectly influence gene regulation, their primary function is not directly involved in gene regulation. C) Introns are non-coding regions of DNA that are transcribed into pre-mRNA but are removed during mRNA processing through a process called splicing. This allows only the exons to be included in the mature mRNA that will be translated into proteins. D) While introns were once thought to be non-functional remnants of ancient DNA, research has shown that they can have regulatory functions and play a role in gene expression.

6. What is the process by which lighter nuclei fuse to form heavier nuclei, releasing a large amount of energy?

Correct answer: B

Rationale: Fusion is the process by which lighter nuclei combine to form heavier nuclei, releasing a large amount of energy in the process. This process is the source of energy in stars, including our Sun, and is different from fission, which involves the splitting of heavier nuclei into lighter nuclei. Radioactivity refers to the emission of particles or radiation from the nucleus of an unstable atom, while a chain reaction is a self-sustaining reaction where the products of one reaction cause further reactions.

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