ATI TEAS 7
TEAS Test 7 science quizlet
1. Identify the function NOT attributed to the lymphatic system.
- A. Fluid drainage from tissues
- B. Immune response via white blood cell production
- C. Nutrient transport throughout the body
- D. Waste removal through lymph nodes
Correct answer: C
Rationale: A) Fluid drainage from tissues: This function is attributed to the lymphatic system. Lymphatic vessels collect excess fluid from tissues and return it to the bloodstream. B) Immune response via white blood cell production: The lymphatic system plays a crucial role in the body's immune response by producing and transporting white blood cells, such as lymphocytes, which help fight infections. C) Nutrient transport throughout the body: Nutrient transport is primarily carried out by the circulatory system (blood vessels), not the lymphatic system. The circulatory system transports nutrients, oxygen, and hormones to cells and removes waste products. D) Waste removal through lymph nodes: The lymphatic system helps remove waste and toxins from the body by filtering lymph through lymph nodes, where harmful substances are trapped and destroyed by immune cells. Therefore, the function NOT attributed to the lymphatic system is C) Nutrient transport throughout the body.
2. What are the two main divisions of the skeletal system?
- A. Upper and lower body bones
- B. Axial and appendicular skeleton
- C. Long and short bones
- D. Compact and spongy bone
Correct answer: B
Rationale: The skeletal system is divided into two main divisions: the axial skeleton and the appendicular skeleton. The axial skeleton comprises the skull, vertebral column, and rib cage, providing structural support and protection for vital organs. On the other hand, the appendicular skeleton includes the bones of the upper and lower limbs, shoulder girdle, and pelvic girdle, facilitating movement and flexibility. The divisions are based on the location and function of the bones within the skeletal system, making choices A, C, and D incorrect as they do not represent the primary divisions of the skeletal system.
3. Which of the following inventions likely had the greatest impact on combating nutrition deficiencies in developing countries?
- A. Food products fortified with dietary vitamins and minerals
- B. Integrated statistical models of fish populations
- C. Advances enabling microscopes to use thicker tissue samples
- D. Refrigerated train cars for transportation of food
Correct answer: A
Rationale: Food products fortified with dietary vitamins and minerals have had the greatest impact on combating nutrition deficiencies in developing countries. By fortifying food products with essential nutrients such as vitamins and minerals, it becomes easier to address specific deficiencies in populations that may not have access to a diverse range of foods. This innovation has been particularly impactful in addressing common deficiencies like vitamin A, iron, zinc, and folic acid, improving overall health outcomes in populations with limited access to nutrient-rich foods. Choices B, C, and D are incorrect. Integrated statistical models of fish populations, advances in microscopy, and refrigerated train cars, while important in their own right, do not directly address combating nutrition deficiencies in developing countries as effectively as food fortification with essential nutrients.
4. What is the function of platelets in the blood?
- A. To transport oxygen
- B. To clot blood
- C. To fight infection
- D. To transport nutrients
Correct answer: B
Rationale: Platelets play a crucial role in clotting blood to prevent excessive bleeding when injuries occur. They are responsible for initiating the coagulation process by forming clots at the site of injury, sealing the damaged blood vessels, and preventing further blood loss. Platelets do not primarily transport oxygen, fight infection, or transport nutrients. While red blood cells are responsible for carrying oxygen, white blood cells are involved in fighting infections, and nutrients are transported by plasma, platelets' main function is related to hemostasis and wound healing.
5. What function do genes serve in the relationship between parents and offspring?
- A. Genes enable hereditary information to be passed from parents to offspring.
- B. Genes prohibit hereditary information from being passed from parents to offspring.
- C. Genes enable environmental factors to affect parents and offspring.
- D. Genes serve no function in the relationship between parents and offspring.
Correct answer: A
Rationale: Genes play a crucial role in passing hereditary information from parents to offspring, ensuring the transmission of genetic traits. This process forms the basis of inheritance and genetic continuity between generations. Choice B is incorrect as genes do not prohibit but rather facilitate the transmission of hereditary information. Choice C is incorrect because genes primarily transmit genetic information, while the influence of environmental factors is separate. Choice D is incorrect as genes are fundamental in genetic inheritance and the relationship between parents and offspring.
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