the ureters are paired tubes that transport urine from the
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Nursing Elites

ATI TEAS 7

TEAS 7 science practice questions

1. The ureters are paired tubes that transport urine from the:

Correct answer: B

Rationale: The ureters are responsible for carrying urine from the kidneys to the bladder. Once urine is produced in the kidneys, it travels down the ureters to be stored in the bladder until it is eliminated from the body through the urethra. Therefore, the correct answer is B, 'Kidneys to the bladder.' Choices A, C, and D are incorrect as they do not accurately describe the function of the ureters in the urinary system. Choice A, 'Bladder to the urethra,' is incorrect because the ureters carry urine from the kidneys to the bladder, not from the bladder to the urethra. Choice C, 'Urethra to the kidneys,' is incorrect as the flow of urine is from the kidneys to the bladder via the ureters, not in the reverse direction. Choice D, 'Skin to the kidneys,' is unrelated to the urinary system; the ureters are not involved in transporting substances from the skin to the kidneys.

2. Which type of joint allows for the most movement?

Correct answer: A

Rationale: The correct answer is A: Ball-and-socket joint (shoulder). Ball-and-socket joints, exemplified by the shoulder joint, provide the widest range of movement among joint types. These joints facilitate flexion, extension, abduction, adduction, and rotation, allowing for versatile mobility. In a ball-and-socket joint, the rounded end of one bone fits into the socket of another bone, enabling extensive motion capabilities. Choice B, Hinge joint (elbow), allows movement in one plane, limiting its range compared to ball-and-socket joints. Choice C, Fibrocartilaginous joint (wrists), like the intervertebral discs, is meant for stability rather than extensive movement. Choice D, Suture joint (skull), found in the skull bones, is immovable and provides structural support rather than movement.

3. Which of the following is NOT a method of sterilization?

Correct answer: D

Rationale: A) Autoclave: An autoclave is a method of sterilization that uses high pressure and steam to kill microorganisms, making it an effective way to sterilize equipment and materials.\nB) UV light: UV light is a method of sterilization that damages the DNA of microorganisms, preventing them from reproducing and causing infections.\nC) Chemical disinfectants: Chemical disinfectants are used to kill or inactivate microorganisms on surfaces, but they may not always achieve sterilization, which is the complete destruction of all microorganisms.\nD) Boiling water: Boiling water is a method of disinfection rather than sterilization. While boiling water can kill many microorganisms, it may not be effective against all types of bacteria, viruses, and spores, making it unsuitable for achieving sterilization.\n\nTherefore, the correct answer is D) Boiling water, as it is not a method of sterilization.

4. Which organ produces insulin, a hormone responsible for regulating blood sugar levels?

Correct answer: B

Rationale: Insulin is a hormone produced by the pancreas. Beta cells located in the islets of Langerhans within the pancreas are responsible for insulin production. Insulin plays a crucial role in regulating blood sugar levels by promoting the uptake of glucose into cells, thereby maintaining blood sugar levels within a normal range. Choices A, C, and D are incorrect because the parathyroid gland is primarily involved in regulating calcium levels, the thymus gland is involved in immune function, and the ovaries are involved in reproductive functions, not insulin production for blood sugar regulation.

5. Which of the following best describes a group of cells working together?

Correct answer: B

Rationale: The correct answer is B: Tissue. Tissue is a group of cells that work together to perform a specific function. Organelle refers to specialized structures within a cell, organ is a structure made up of different types of tissues working together, and organ system is a group of organs working together to perform complex functions. Therefore, tissue is the most appropriate term to describe a group of cells working together.

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