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[PhysioEX Chapter 7 exercise 3] PEX-07-03

Solved by ramonistry Exercise 7: Respiratory System Mechanics: Activity 3: Effect of Surfactant and Intrapleural Pressure on Respiration Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. Which of the following statements about surface tension is false? You correctly answered: c. Surface tension acts to increase the size of the alveoli within the lungs. Which of the following statements about surfactant is false? You correctly answered: d. Surfactant works by increasing the attraction of water molecules to each other. Just before an inspiration begins, the pressure within the intrapleural cavity You correctly answered: b. is less than the pressure within the alveoli. The respiratory condition of pneumothorax refers to You correctly answered: c. any opening that equalizes the intrapleural pressure with the atmospheric pressure. A pneumothorax can lead to You correctly answered: b. atelectasis. Experiment Results Predict ...
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[PhysioEX Chapter 3 exercise 2] PEX-03-02

Solved by ramonistry Exercise 3: Neurophysiology of Nerve Impulses: Activity 2: Receptor Potential Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Assuming that the resting potential of a sensory neuron is -70 mV, which of the following represents a depolarization? You correctly answered: c. a change to -60 mV Which of the following is a sensory modality (type of sense)? You correctly answered: e. all of the above Which of the following is a sensory stimulus? You correctly answered: d. all of the above Which of the following is true of the response of a sensory neuron to the appropriate sensory stimulus? You correctly answered: c. both a and b Experiment Results Predict Question: Predict Question 1: The adequate stimulus for a Pacinian corpuscle is pressure or vibration on the skin. Which of the following modalities will induce the largest amplitude receptor potential in the Pacinian corpuscle Your answer : c. moderate-intensity p...
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[PhysioEX Chapter 1 exercise 3] PEX-01-03

Solved by ramonistry Exercise 1: Cell Transport Mechanisms and Permeability: Activity 3: Simulating Osmotic Pressure Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Which of the following is true of osmosis? You correctly answered: c. It is a type of diffusion. Which of the following occurs when a hypertonic solution is added to cells? You correctly answered: d. The cells shrink. The variable that affects osmotic pressure is You correctly answered: a. the concentration of nondiffusing solutes. The net movement of water would be into the cell in a You correctly answered: b. hypotonic solution. Experiment Results Predict Question: Predict Question 1: What effect do you think increasing the Na+ Cl- concentration will have? Your answer : a. increased pressure Predict Question 2: What do you think will be the pressure result of the current experimental conditions? Your answer : c. pressure above the left beaker Stop & Think Questio...
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