Bio 141 Exam 3 Clicker/Quiz/Review Questions and Answers.
Which is the correct flow of air through the conduction pathway? correct answers Nasal Cavity -
Pharynx - Larynx - Bronchi - Bronchiole - Alveoli
If there is an increase in lung volume, intrapulmonary pressure __________ (decrease/increase)
compared to atmospheric pressure, and you will then breathe _____________ (in/out). correct
answers decreases, in
If there is a decrease in lung volume, intrapulmonary pressure __________ (decreases/increases)
compared to atmospheric pressure, and you will breathe _____________ (in/out). correct
answers increases, out
If the patient has a respiratory rate of 10 breaths/minute and a tidal volume of 400ml what is their
respiratory minute volume? correct answers 4000mL per minute
When you are inhaling, the intrapulmonary pressure is___________________than the
atmospheric pressure. correct answers lower than
When you blow air out of your nose, you_________________ the volume inside your lungs,
which ______________the pressure inside your lungs, causing air to be pushed out of your body.
correct answers decrease; increases
When you are holding your breath for a long period of time, you will develop_______________
and ____________________. correct answers hypercapnia, acidosis
Why is it important that each lung is encased in its own pleural cavity? correct answers If one of
the lungs collapses due to a chest wound, the other lung should still be functional
Which of the following statements are TRUE? correct answers - The pressure of the air outside
your body is known as atmospheric pressure.
- The medulla oblongata (respiratory center in the brain) receives signals from both
chemoreceptors and proprioreceptors.
- A deficiency in surfactant is a cause of infant respiratory distress syndrome (IRDS)
- The direction that the carbonic acid equation shifts is dependent on the concentration of the
various molecules.
If the partial pressure of oxygen is 95mmHg in muscle tissue of your leg and 40mmHg in the
blood of the capillary bed associated with that muscle, which way will oxygen diffuse? correct
answers Into the capillary
You can pass out underwater and drown from holding your breath too long. T/F correct answers
True: reflex sends signal to your brain to inhale when it's been too long
A high pH number (close to 10) is ___________. correct answers basic
Which is the correct flow of air through the conduction pathway? correct answers Nasal Cavity -
Pharynx - Larynx - Bronchi - Bronchiole - Alveoli
If there is an increase in lung volume, intrapulmonary pressure __________ (decrease/increase)
compared to atmospheric pressure, and you will then breathe _____________ (in/out). correct
answers decreases, in
If there is a decrease in lung volume, intrapulmonary pressure __________ (decreases/increases)
compared to atmospheric pressure, and you will breathe _____________ (in/out). correct
answers increases, out
If the patient has a respiratory rate of 10 breaths/minute and a tidal volume of 400ml what is their
respiratory minute volume? correct answers 4000mL per minute
When you are inhaling, the intrapulmonary pressure is___________________than the
atmospheric pressure. correct answers lower than
When you blow air out of your nose, you_________________ the volume inside your lungs,
which ______________the pressure inside your lungs, causing air to be pushed out of your body.
correct answers decrease; increases
When you are holding your breath for a long period of time, you will develop_______________
and ____________________. correct answers hypercapnia, acidosis
Why is it important that each lung is encased in its own pleural cavity? correct answers If one of
the lungs collapses due to a chest wound, the other lung should still be functional
Which of the following statements are TRUE? correct answers - The pressure of the air outside
your body is known as atmospheric pressure.
- The medulla oblongata (respiratory center in the brain) receives signals from both
chemoreceptors and proprioreceptors.
- A deficiency in surfactant is a cause of infant respiratory distress syndrome (IRDS)
- The direction that the carbonic acid equation shifts is dependent on the concentration of the
various molecules.
If the partial pressure of oxygen is 95mmHg in muscle tissue of your leg and 40mmHg in the
blood of the capillary bed associated with that muscle, which way will oxygen diffuse? correct
answers Into the capillary
You can pass out underwater and drown from holding your breath too long. T/F correct answers
True: reflex sends signal to your brain to inhale when it's been too long
A high pH number (close to 10) is ___________. correct answers basic
