which of the following is the primary function of the lymphatic system
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ATI TEAS 7

TEAS version 7 quizlet science

1. What is the primary function of the lymphatic system?

Correct answer: B

Rationale: The primary function of the lymphatic system is to carry waste products away from tissues. Lymphatic vessels collect excess fluid, waste materials, and toxins from the body's tissues and transport them to the bloodstream for elimination. Choice A is incorrect because transporting oxygen and nutrients to cells is mainly the function of the circulatory system. Choice C is incorrect as regulating body temperature is primarily done by the body's thermoregulatory mechanisms. Choice D is incorrect because the production of red blood cells occurs in the bone marrow, not in the lymphatic system.

2. What is the network of vessels and ducts responsible for draining excess fluid and waste products from tissues?

Correct answer: C

Rationale: The correct answer is the Lymphatic system (option C). The lymphatic system is responsible for draining excess fluid and waste products from tissues. It works alongside the circulatory system to maintain fluid balance in the body. The circulatory system (option A) transports blood, the digestive system (option B) processes food, absorbs nutrients, and eliminates solid waste, while the respiratory system (option D) is responsible for gas exchange, specifically the intake of oxygen and removal of carbon dioxide.

3. Which part of the brain is responsible for memory and learning?

Correct answer: B

Rationale: The correct answer is B - Cerebrum. The cerebrum, not the cerebellum as in choice A, is the largest part of the brain and is responsible for memory, learning, and higher cognitive functions. It processes sensory information, enables reasoning, and decision-making, all crucial for memory formation and learning processes. Choices C and D, Medulla oblongata and Brainstem respectively, do not primarily play roles in memory and learning processes. The Medulla oblongata is mainly involved in regulating vital autonomic functions like breathing and heart rate, while the Brainstem serves as a pathway for neural communication and houses essential control centers for basic life functions, not memory and learning.

4. What is the name of a condition where the immune system mistakenly attacks healthy body tissues?

Correct answer: B

Rationale: Autoimmune diseases occur when the immune system mistakenly targets and attacks healthy body tissues, leading to inflammation and damage. This results in conditions such as rheumatoid arthritis, lupus, and type 1 diabetes. Allergies, on the other hand, involve an exaggerated immune response to harmless substances like pollen or certain foods. Immunodeficiency refers to a weakened immune system, making individuals more susceptible to infections. Sepsis is a severe systemic response to an infection, leading to organ dysfunction and potentially life-threatening complications.

5. Which of the following factors would NOT affect the solubility of a solid solute in a liquid solvent?

Correct answer: B

Rationale: Pressure does not typically affect the solubility of a solid solute in a liquid solvent. Solubility is primarily influenced by factors such as temperature, particle size, and the nature of the solute and solvent. Increasing pressure generally has a minimal effect on the solubility of solids in liquids. The impact of pressure on solubility is more significant for gases in liquids rather than solids in liquids. Therefore, option B is the correct answer. Options A, C, and D directly impact the solubility of a solid solute in a liquid solvent. Temperature affects the solubility as it changes the kinetic energy of particles, particle size can impact the surface area available for interaction between solute and solvent, and the nature of the solute and solvent influences their intermolecular interactions and compatibility.

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