what is a neural pathway that triggers a reflex action
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Nursing Elites

ATI TEAS 7

ATI TEAS Science Questions

1. What is the neural pathway that triggers a reflex action?

Correct answer: B

Rationale: The correct answer is 'B: Reflex arc.' A reflex arc is the neural pathway that triggers an automatic, involuntary reflex action in response to a stimulus. It involves sensory neurons, interneurons in the spinal cord, and motor neurons, allowing for a rapid response without conscious thought. Choice A, 'Reflex loop,' is incorrect as the term commonly used is 'Reflex arc' to describe this neural pathway. Choice C, 'Neural pathway,' is too general and does not specifically refer to the pathway involved in reflex actions. Choice D, 'Reflex reaction,' is not the commonly accepted term to describe the neural pathway that triggers reflex actions.

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. Differentiate between the digestive and respiratory systems.

Correct answer: D

Rationale: The correct answer is D - Lungs. The mouth, stomach, and small intestine are all components of the digestive system, which is responsible for breaking down food into nutrients that the body can absorb. On the other hand, the lungs are part of the respiratory system, which facilitates the exchange of oxygen and carbon dioxide between the body and the environment through breathing. While the digestive system processes food for energy and nutrients, the respiratory system is primarily focused on the exchange of gases necessary for cellular respiration. Choices A, B, and C are incorrect as they are all organs associated with the digestive system and do not pertain to the respiratory system.

4. In a study of the average weight of babies at different time intervals after birth, the babies’ measured weight is which of the following variables?

Correct answer: C

Rationale: The baby's measured weight is the dependent variable as it depends on the time intervals.

5. What is the term for the maximum amount of solute that can dissolve in a solvent at a specific temperature and pressure?

Correct answer: B

Rationale: Solubility is the correct term for the maximum amount of solute that can dissolve in a solvent at a specific temperature and pressure. Molarity is a measure of concentration, not the maximum amount that can dissolve. Concentration is a general term for the amount of solute present in a given amount of solvent. Saturation is related to solubility but specifically refers to a state where no more solute can be dissolved in the solvent.

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