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ATI LPN · Medical Surgical Nursing · NCLEX PN Questions Respiratory System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Fick's law depend on multiple factors, which one of them will have the most effect when observing the diffusion of different gases?

A. Partial pressure gradient

B. Temperature

C. Diffusion distance

D. Diffusion coefficient

Correct Answer: Diffusion coefficient

Question 2 of 5

Which abolishes automatic respiration? Destruction of:

A. pre-Bottzinger complexes

B. ventral gp respiratory neurons

C. dorsal gp respiratory neurons

D. section at the inferior border of the pons

Correct Answer: pre-Bottzinger complexes

Question 3 of 5

One of the following is true regarding FRC?

A. It is resting volume of the lung

B. It is resting volume of the thorax

C. At FRC, intra-alveolar pressure = atmospheric pressure

D. At FRC, intra-pleural pressure is more than atmospheric pressure

Correct Answer: At FRC, intra-alveolar pressure = atmospheric pressure

Question 4 of 5

What is the primary driver of ocean currents on a global scale?

A. Tidal forces from the Moon and Sun

B. Wind stress on the ocean surface

C. Density differences due to temperature and salinity

D. Earth's magnetic field

Correct Answer: Wind stress on the ocean surface

Question 5 of 5

Which of the following viruses is not commonly associated with the common cold?

A. coronavirus

B. adenovirus

C. rhinovirus

D. varicella-zoster virus

Correct Answer: varicella-zoster virus

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