what mineral is essential for muscle function and can cause cramps if deficient
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ATI TEAS 7

TEAS version 7 quizlet science

1. What mineral is essential for muscle function and can cause cramps if deficient?

Correct answer: C

Rationale: Potassium is essential for muscle function, including muscle contraction. A deficiency in potassium can lead to muscle weakness and cramps. While sodium, calcium, and magnesium are also important minerals for muscle function, potassium is specifically known for its role in preventing muscle cramps by regulating muscle contractions and nerve signals.

2. Which part of the nervous system is responsible for transmitting signals from the sensory organs to the central nervous system?

Correct answer: C

Rationale: The correct answer is C, the peripheral nervous system. The peripheral nervous system is responsible for transmitting signals from the sensory organs to the central nervous system. It consists of nerves that connect the central nervous system to the rest of the body, including sensory nerves that carry information from the sensory organs to the brain and spinal cord. Choices A, B, and D are incorrect. The autonomic nervous system is responsible for involuntary functions like heart rate and digestion, the somatic nervous system controls voluntary movements, and the central nervous system consists of the brain and spinal cord.

3. What is the term for the involuntary muscle contractions that move food through the digestive tract?

Correct answer: B

Rationale: Peristalsis is the correct term for the involuntary muscle contractions that move food through the digestive tract. These contractions help push food along the digestive system, facilitating digestion and absorption of nutrients. Segmentation, on the other hand, refers to the mixing and breaking down of food in the intestines, not the movement of food. Chyme is the semi-fluid mass of partially digested food in the stomach and small intestine, not the muscle contractions. Emulsification is the process of breaking down fat globules into smaller droplets to aid in digestion, not the movement of food through the digestive tract. Therefore, peristalsis is the most appropriate term for this function.

4. Which of the following statements correctly describes the function of a physiological structure?

Correct answer: D

Rationale: The epiglottis is a flap of tissue that covers the trachea during swallowing to prevent food and liquids from entering the airway. This action helps direct food into the esophagus, ensuring proper passage into the digestive system and avoiding potential choking or aspiration into the lungs. Choices A, B, and C are incorrect because the trachea connects the larynx to the bronchi, the esophagus connects the throat to the stomach, and the diaphragm is a muscle that plays a vital role in breathing by separating the thoracic and abdominal cavities, aiding in respiration.

5. Which of the following is NOT a state of matter?

Correct answer: D

Rationale: The correct answer is 'Superfluid.' Superfluid is not considered a traditional state of matter. It is a unique phase of matter that displays zero viscosity and flows without losing kinetic energy. Solids, liquids, and gases are the three classical states of matter distinguished by their physical properties and structures. Therefore, choices A, B, and C are considered states of matter, while choice D, superfluid, is not.

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