what is the involuntary process of emptying the bladder called
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ATI TEAS 7

TEAS 7 science study guide free

1. What is the involuntary process of emptying the bladder called?

Correct answer: B

Rationale: Micturition, also known as urination or voiding, is the involuntary process of emptying the bladder. During micturition, the bladder muscle contracts, and the sphincter muscles relax, allowing urine to be expelled from the body. Filtration is the process of separating solids from liquids in the body, not related to emptying the bladder. Reabsorption involves absorbing substances back into the bloodstream, not related to emptying the bladder. Excretion is the process of eliminating waste products from the body, not specifically the process of emptying the bladder.

2. What happens to the concentration of hydrogen ions (\([H^+]\)) in a solution as the pH increases?

Correct answer: B

Rationale: As the pH increases, the concentration of hydrogen ions decreases. The relationship is inversely proportional

3. Which of the following structures in the respiratory system is responsible for gas exchange?

Correct answer: B

Rationale: The correct answer is B: Alveoli. The alveoli in the lungs are responsible for gas exchange. They have a thin membrane that allows for the exchange of oxygen and carbon dioxide between the air in the lungs and the blood in the capillaries surrounding them. This process is essential for respiration, providing oxygen to the body's tissues and removing carbon dioxide, a waste product of cellular metabolism. Choices A, C, and D are incorrect. The trachea is a passageway that carries air to and from the lungs but is not directly involved in gas exchange. Bronchi are airway passages that further divide into smaller bronchioles leading to the alveoli but do not perform gas exchange themselves. The diaphragm is a muscle involved in the breathing process by aiding in inhalation and exhalation, but it is not the structure responsible for gas exchange in the respiratory system.

4. Which law of motion explains the behavior of rockets in space?

Correct answer: C

Rationale: The correct answer is Newton's Third Law. Newton's Third Law states that for every action, there is an equal and opposite reaction. In the case of rockets in space, the action is the expulsion of gas from the rocket engines, and the reaction is the forward motion of the rocket. This law explains how rockets are able to propel themselves forward in the vacuum of space. Choices A and B are incorrect because Newton's First Law (inertia) and Second Law (F=ma) do not directly explain the behavior of rockets in space. Choice D is incorrect as Newton's Third Law specifically addresses the principle behind rockets' motion in space.

5. Which of the following is a function of the skeletal system?

Correct answer: B

Rationale: The correct answer is B: To provide structural support. The skeletal system is primarily responsible for supporting the body's structure, protecting internal organs, facilitating movement, and storing minerals. While bones do play a role in producing red blood cells (hematopoiesis) in the bone marrow, the main function related to the question is providing structural support. Choices C and D are incorrect as the skeletal system is not involved in transporting nutrients or storing fat. The main functions of the skeletal system are related to support, protection, movement facilitation, mineral storage, and hematopoiesis.

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