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Nursing Elites

ATI TEAS 7

physics

1. What property of a wave determines its speed in a given medium?

Correct answer: d

Rationale: The speed of a wave is determined by the properties of the medium it travels through.

2. A routine urinalysis is a common diagnostic test. What does a urinalysis typically evaluate?

Correct answer: D

Rationale: The correct answer is D, 'All of the above.' A routine urinalysis is a comprehensive test that evaluates various aspects of urine to provide insights into overall health. Blood sugar levels can be assessed to screen for diabetes or monitor diabetes management. The presence of white blood cells in the urine can indicate a possible infection in the urinary tract. Additionally, kidney function can be evaluated by examining factors such as protein levels, creatinine, and electrolytes in the urine. Therefore, a urinalysis typically evaluates blood sugar levels, presence of white blood cells (indicating possible infection), and kidney function, making 'All of the above' the correct choice.

3. Frequent, painful urination is a common symptom of:

Correct answer: D

Rationale: The correct answer is D, 'All of the above.' Frequent, painful urination can be a symptom of various conditions affecting the urinary system. In diabetes, high blood sugar levels can lead to increased urine production. UTIs often cause painful urination due to the infection in the urinary tract. Kidney stones can also result in frequent and painful urination as they obstruct the flow of urine. Therefore, all three options can present with the common symptom of frequent, painful urination, making 'All of the above' the correct choice.

4. Which type of waves exhibit both longitudinal and transverse motion?

Correct answer: b

Rationale: Surface waves, like those on water surfaces, exhibit both longitudinal and transverse motion.

5. Which of the following is a common characteristic of alkynes?

Correct answer: A

Rationale: Alkynes are hydrocarbons that contain at least one triple bond between carbon atoms. This triple bond is a distinctive feature of alkynes, distinguishing them from alkanes (which contain only single bonds) and alkenes (which contain at least one double bond). Alkynes are unsaturated hydrocarbons due to the presence of the triple bond. Aromatic compounds, on the other hand, have a specific cyclic structure with resonance stabilization, which is not a characteristic of alkynes.

6. Which structure in the respiratory system is responsible for preventing food and liquids from entering the trachea during swallowing?

Correct answer: B

Rationale: The correct answer is B: Larynx. The larynx, also known as the voice box, is a crucial structure in the respiratory system responsible for preventing food and liquids from entering the trachea during swallowing. It contains the epiglottis, a flap of tissue that covers the trachea during swallowing to ensure that food and liquids are directed to the esophagus instead of entering the airway. The bronchi are the two main branches that carry air into the lungs, while alveoli are tiny air sacs where gas exchange occurs. The pharynx is a shared pathway for both air and food, located behind the oral and nasal cavities. Therefore, the larynx plays a vital role in protecting the respiratory system during swallowing.

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