which of the following is the maximum volume of air that can be expelled from the lungs after maximum inhalation
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ATI TEAS 7

TEAS Practice Test Science

1. What is the maximum volume of air that can be expelled from the lungs after maximum inhalation?

Correct answer: D

Rationale: The correct answer is D, Vital capacity. Vital capacity represents the maximum volume of air that can be expelled from the lungs after a maximum inhalation. Tidal volume (Choice A) is the volume of air inspired or expired during normal breathing at rest and is not the maximum capacity. Total lung capacity (Choice B) refers to the maximum volume of air the lungs can accommodate including the residual volume, not just the expelled air. Ventilation rate (Choice C) is the rate at which air is moved in and out of the lungs, not the maximum volume of air that can be expelled.

2. Why is it essential to formulate a hypothesis before conducting an experiment?

Correct answer: B

Rationale: Formulating a hypothesis before conducting an experiment is crucial because it helps guide the investigation by suggesting what the investigator should be looking for. A hypothesis serves as a prediction or an educated guess about what might happen in the experiment, providing a clear direction for the research process. It allows the investigator to focus on specific variables and outcomes, making the experiment more organized and effective. Choice A is incorrect because the primary purpose of a hypothesis is not to boost an investigator's reputation but to guide the research. Choice C is incorrect as formulating a hypothesis is not primarily about impressing funders but about setting a clear direction for the study. Choice D is incorrect because the hypothesis is not meant to dictate which results to keep based on preconceived notions but to guide the investigation and allow for unbiased interpretation of results.

3. What do nociceptors detect?

Correct answer: C

Rationale: Nociceptors are specialized sensory receptors that detect and transmit signals related to pain. These receptors are activated by noxious stimuli that can potentially cause tissue damage or injury, triggering the perception of pain in the brain. Therefore, the correct answer is 'Pain.' Choices A, B, and D are incorrect because nociceptors specifically respond to painful stimuli, not deep pressure, vibration, or temperature.

4. Which of the following are the two major zones of the respiratory system?

Correct answer: D

Rationale: The two major zones of the respiratory system are the conducting zone and the respiratory zone. The conducting zone encompasses structures like the nasal cavity, pharynx, larynx, trachea, bronchi, and bronchioles, which serve to transport air into the lungs. On the other hand, the respiratory zone includes the respiratory bronchioles, alveolar ducts, and alveoli, where the crucial gas exchange process between the air in the lungs and the blood occurs. Choices A, B, and C are incorrect as they do not represent the major zones of the respiratory system but rather individual structures within the system.

5. What condition is characterized by progressive muscle weakness and wasting?

Correct answer: A

Rationale: Muscular dystrophy is a genetic disorder characterized by progressive muscle weakness and wasting due to mutations in genes responsible for muscle cells' structure and function. Myositis is an inflammatory muscle disease, fibromyalgia is a chronic pain condition, and carpal tunnel syndrome affects the hand and arm nerves, but none present with the progressive muscle weakness and wasting seen in muscular dystrophy.

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