cells with similar functions aggregate into organelles
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ATI Anatomy and Physiology Online Practice

1. Cells do not aggregate into organelles based on similar functions.

Correct answer: B

Rationale: The statement is false. Cells with similar functions do not aggregate into organelles. Organelles are specialized structures within cells that perform specific functions, such as the nucleus, mitochondria, and endoplasmic reticulum. Cells themselves are the basic structural and functional units of organisms, and organelles are located within cells to carry out various tasks. Therefore, cells do not aggregate into organelles, but organelles are found within cells to support their functions. Choices A, C, and D are incorrect as cells do not form organelles by aggregating based on similar functions.

2. Which part of the nephron is closest to the collecting duct?

Correct answer: A

Rationale: The correct answer is the Distal convoluted tubule (DCT). The DCT is the part of the nephron closest to the collecting duct, where the final adjustments to electrolyte and fluid balance are made. Bowman's Capsule is located at the beginning of the nephron, where filtration of blood occurs. The Afferent Arteriole brings blood to the glomerulus for filtration. The Proximal Convoluted Tubule (PCT) is situated after the Bowman's Capsule and is not the part closest to the collecting duct.

3. Which of the following is not part of the female reproductive system?

Correct answer: D

Rationale: The bulbourethral gland is not part of the female reproductive system. This gland is part of the male reproductive system and is responsible for producing a clear fluid that helps in lubrication during sexual activity. Choices A, B, and C are part of the female reproductive system. The uterus is where a fertilized egg implants and develops into a fetus. The uterine tube (fallopian tube) transports eggs from the ovary to the uterus. The vulva includes the external genital organs of the female.

4. Does the diaphragm separate the thoracic and abdominopelvic cavities?

Correct answer: A

Rationale: The correct answer is A: True. The diaphragm is a dome-shaped muscle that separates the thoracic cavity, which contains the heart and lungs, from the abdominopelvic cavity, which contains organs such as the stomach, liver, and intestines. It plays a crucial role in breathing by contracting and relaxing to help with the process of respiration. Therefore, the statement is accurate. Choice B is incorrect because the diaphragm indeed separates these two cavities. Choice C is incorrect as the information provided allows one to determine the correct answer. Choice D is incorrect as the correct answer is 'True.'

5. Specialized cell types organized in a way that provides a specific function form

Correct answer: A

Rationale: The correct answer is 'tissues, which build organs.' Specialized cell types organize to form tissues, which in turn build organs. Tissues are groups of cells that work together to perform a specific function. Option B is incorrect because organs are composed of tissues, not the other way around. Option C is incorrect as organ systems consist of multiple organs working together, not building tissues. Option D is incorrect as atoms are the basic building blocks of matter and are not directly involved in forming tissues.

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