which of the following joints allows for side to side bending movements
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ATI TEAS 7

TEAS version 7 quizlet science

1. Which of the following joints allows for side-to-side bending movements?

Correct answer: C

Rationale: The correct answer is C, Gliding joint. Gliding joints allow for side-to-side bending movements. These joints are found between the small bones of the wrist and ankle, allowing for flexibility and movement in multiple directions. Hinge joints (A) enable movement in one plane, akin to a door hinge. Ball-and-socket joints (B) allow for a wide range of motion across multiple directions. Saddle joints (D) facilitate movement in two planes.

2. What is the role of the kidneys in the body?

Correct answer: B

Rationale: The correct answer is B: To filter waste from the blood. The kidneys play a crucial role in filtering waste products and excess substances from the blood to form urine, which helps maintain fluid balance and eliminate toxins from the body. Choice A is incorrect because regulating body temperature is primarily controlled by the skin and other mechanisms. Choice C is incorrect as hormone production is mainly attributed to other organs like the endocrine glands. Choice D is incorrect as the transportation of oxygen is primarily facilitated by the lungs and circulatory system, not the kidneys.

3. Which of the following statements best defines an organelle?

Correct answer: C

Rationale: The correct answer is C: 'Specialized structures within a cell.' An organelle is a specialized subunit within a cell that has a specific function. Organelles are membrane-bound structures found within the cytoplasm of eukaryotic cells, each performing distinct roles that contribute to the overall functioning of the cell. Choices A, B, and D are incorrect. Option A describes the glycocalyx, which is a layer of polysaccharides outside the plasma membrane of cells. Option B refers to prions, abnormal infectious proteins. Option D defines an organ, a collection of tissues used to serve a specific function, rather than an organelle within a cell.

4. Which part of the neuron insulates and speeds up the transmission of nerve impulses along the axon?

Correct answer: B

Rationale: The myelin sheath is a fatty layer that surrounds the axon of a neuron, providing insulation and speeding up the transmission of nerve impulses. This insulation helps prevent the loss of electrical signals as they travel along the axon, allowing for faster and more efficient communication within the nervous system. Dendrites are branching extensions of a neuron that receive signals from other neurons, the synapse is the junction between two neurons where communication occurs, and the cell body contains the nucleus and organelles of the neuron, but none of these structures provide insulation for the transmission of nerve impulses along the axon.

5. During the process of oogenesis, primary oocytes produce:

Correct answer: B

Rationale: During the process of oogenesis, primary oocytes undergo meiosis to develop into secondary oocytes, which are the matured eggs released during ovulation for potential fertilization. Therefore, primary oocytes produce eggs, not sperm, oogonia, or stem cells, during oogenesis. Choice A (sperm) is incorrect as sperm is produced through spermatogenesis in males. Choice C (oogonia) is incorrect as oogonia are the cells that give rise to primary oocytes but are not the direct product of primary oocytes. Choice D (stem cells) is incorrect as primary oocytes do not directly produce stem cells during oogenesis.

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