which of the following is not a typical component of healthy semen
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ATI TEAS 7

TEAS version 7 quizlet science

1. Which of the following is NOT a typical component of healthy semen?

Correct answer: D

Rationale: Healthy semen is composed of sperm, fructose (sugar), and prostaglandins. Urine is not a typical component of semen. While semen is ejaculated during sexual activity, urine is expelled through a separate pathway in the male reproductive system. Therefore, the correct answer is 'Urine.' Choices A, B, and C are all components found in healthy semen.

2. Which of the following statements is true regarding the ventricles of the heart?

Correct answer: D

Rationale: All of these statements are true regarding the ventricles of the heart. The left ventricle does indeed pump oxygenated blood into the aorta, while the right ventricle pumps deoxygenated blood into the pulmonary trunk. Ventricles are indeed the discharging chambers of the heart, responsible for pumping blood out into the circulatory system. Therefore, as all the statements are accurate, the correct answer is 'All of the above.' Choices A, B, and C are all correct statements about the ventricles, making them incorrect answers in isolation.

3. What is the definition of work in physics?

Correct answer: C

Rationale: In physics, work is defined as the transfer of energy through motion along a direction. When a force is applied to an object, and the object moves in the direction of the force, work is done on the object. The work done is calculated as the force applied multiplied by the distance the object moves in the direction of the force. Choices A and B do not fully capture the essence of work, as work is about energy transfer through motion, not merely applying force to objects at rest or in motion. Choice D is incorrect as work is not a measure of an object's potential energy; rather, it is the transfer of energy through motion.

4. What is the main function of estuaries?

Correct answer: B

Rationale: Estuaries are coastal areas where freshwater from rivers and streams mixes with saltwater from the ocean. They serve as important habitats for a variety of marine life, including fish, birds, and other wildlife. Estuaries provide shelter, breeding grounds, and food sources for many species, making them crucial for the overall health of marine ecosystems. While estuaries can help filter pollutants to some extent, their primary function is to support and sustain diverse populations of plants and animals. Storing carbon dioxide and generating wind power are not main functions of estuaries.

5. What is the protective fluid that surrounds the brain and spinal cord?

Correct answer: B

Rationale: Cerebrospinal fluid is the protective fluid that surrounds the brain and spinal cord. It acts as a cushion to protect these vital organs from injury and provides nutrients and removes waste products. Blood, myelin sheath, and insulin do not serve as the protective fluid surrounding the brain and spinal cord. Blood carries nutrients and oxygen to cells, myelin sheath is a protective covering of nerve fibers, and insulin is a hormone involved in regulating blood sugar levels.

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