the muscular sac that stores urine until it is released from the body is called the
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ATI TEAS 7

TEAS Test 7 science quizlet

1. What is the muscular sac that stores urine until it is released from the body known as?

Correct answer: B

Rationale: The bladder is the muscular sac that stores urine until it is released from the body. It acts as a reservoir for urine until it is eliminated through the urethra. The urethra is the tube responsible for carrying urine from the bladder to the outside. The ureter transports urine from the kidneys to the bladder. The nephron is the structural and functional unit of the kidney involved in the filtration of blood and urine production. Therefore, the correct answer is the bladder, as it specifically fulfills the function of storing urine before its elimination.

2. A ball is thrown upwards. Which of the following statements is TRUE about its potential energy and kinetic energy at the peak of its trajectory?

Correct answer: B

Rationale: At the peak of its trajectory, the ball momentarily stops moving before falling back down. This means its kinetic energy is at a minimum because it has come to a stop. At the same time, its potential energy is at a maximum because it is at the highest point in its trajectory, where it has the most potential to fall and convert that potential energy into kinetic energy as it descends. Choice A is incorrect because at the peak, the ball still has potential energy due to its height. Choice C is incorrect because kinetic energy is at a minimum when the ball is momentarily at rest. Choice D is incorrect because the energy conversion between potential and kinetic energy occurs at different points in the trajectory.

3. The teacher shared several apothegms with the class, hoping that the short, wise sayings would inspire thoughtful discussions.

Correct answer: C

Rationale: In this context, apothegms refers to short, wise sayings meant to convey wisdom or provoke thought. Apothegms are concise and insightful, serving as nuggets of wisdom. The term 'instructions' implies a set of directions or guidelines, not reflective of the nature of apothegms. 'Questions' are queries seeking information or answers, not synonymous with wise sayings. 'Lectures' are formal presentations or speeches, which are more extensive and detailed compared to the concise nature of apothegms.

4. Which of the following most accurately describes the author's main conclusion?

Correct answer: B

Rationale: The correct answer is B: 'Leif Erikson deserves more credit for exploring America.' The author's main conclusion, as supported by the extract, is that Leif Erikson should receive more credit for his contributions in exploring the New World. Choice A is incorrect as it does not capture the essence of the author's conclusion, which is about recognizing Erikson's achievements rather than just labeling him as a legendary explorer. Choice C is incorrect because while Leif Erikson did convert to Christianity, the primary focus of the conclusion is on his exploration rather than his motivations. Choice D is incorrect as it only mentions one aspect of Erikson's achievements (contacting the natives) and does not encompass the broader idea of giving him more credit for his explorations.

5. Through which part of the digestive system are nutrients absorbed into the bloodstream?

Correct answer: C

Rationale: The small intestine is the primary site of nutrient absorption in the digestive system. It is where the majority of digestion and absorption of nutrients such as carbohydrates, proteins, and fats occurs. The inner lining of the small intestine is covered in tiny finger-like projections called villi, which increase the surface area available for absorption. Nutrients are absorbed through the walls of the small intestine and into the bloodstream to be transported to cells throughout the body. The stomach's main role is to break down food through the action of stomach acids and enzymes but does not absorb nutrients. The large intestine primarily absorbs water and electrolytes from the remaining indigestible food matter, and the esophagus is a muscular tube that transports food from the mouth to the stomach, without being involved in nutrient absorption.

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