Exam 11: The Respiratory System

Indicate the effect the following changes would have on the rate of gas transfer by using the answer code (options may be used more than once or not at all): -the effect of pulmonary fibrosis on O₂ and CO₂ exchange within the lungs

(Multiple Choice)

4.8/5

(25)

Question 81

Pulmonary surfactant contributes to lung stability by ____________________ surface tension.

(Short Answer)

4.7/5

(30)

Question 82

What does NOT happen when the diaphragm contracts?

(Multiple Choice)

4.9/5

(37)

Question 83

Indicate which type of hypoxia would be present in each of the circumstances listed below by using the answer code (options may be used more than once or not at all): -high altitude

(Multiple Choice)

4.7/5

(30)

Question 84

The apneustic and pneumotaxic centres are located in the ____________________.

(Short Answer)

4.8/5

(39)

Question 85

What is the location of the receptors that are stimulated by a large drop in the blood PO₂ level?

(Multiple Choice)

4.8/5

(40)

Question 86

During which of the following would the intrapleural pressure be greater than atmospheric pressure?

(Multiple Choice)

4.8/5

(35)

Question 87

The alveoli are encircled by capillaries.

(True/False)

4.9/5

(32)

Question 88

What does it mean to say that haemoglobin is fully saturated?

(Multiple Choice)

4.9/5

(47)

Question 89

When the inspiratory neurons stop firing,the expiratory muscles contract.

(True/False)

4.8/5

(38)

Question 90

Which statement concerning the dorsal respiratory group (DRG)is correct?

(Multiple Choice)

4.9/5

(31)

Question 91

O₂ levels are much more closely regulated than CO₂ levels in the arterial blood.

(True/False)

4.9/5

(31)

Question 92

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -respiratory rate × (tidal volume - dead space volume)

(Multiple Choice)

5.0/5

(34)

Question 93

Pulmonary ventilation is another name for the mechanical act of ____________________.

(Short Answer)

4.9/5

(48)

Question 94

Where are the stretch receptors for the Hering-Breuer reflex located?

(Multiple Choice)

4.8/5

(31)

Question 95

Which statement is NOT true for haemoglobin?

(Multiple Choice)

4.9/5

(28)

Question 96

During external respiration,the PCO₂ is greater in the blood of the pulmonary capillaries than in the alveoli.

(True/False)

4.8/5

(44)

Question 97

Which of the following does NOT make breathing more difficult?

(Multiple Choice)

4.8/5

(31)

Question 98

How is ventilation increased the most?

(Multiple Choice)

4.7/5

(30)

Question 99

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -vital capacity + residual volume

(Multiple Choice)

4.7/5

(40)

Question 100

Showing 81 - 100 of 257

Indicate the effect the following changes would have on the rate of gas transfer by using the answer code (options may be used more than once or not at all): -the effect of pulmonary fibrosis on O₂ and CO₂ exchange within the lungs

Pulmonary surfactant contributes to lung stability by ____________________ surface tension.

What does NOT happen when the diaphragm contracts?

Indicate which type of hypoxia would be present in each of the circumstances listed below by using the answer code (options may be used more than once or not at all): -high altitude

The apneustic and pneumotaxic centres are located in the ____________________.

What is the location of the receptors that are stimulated by a large drop in the blood PO₂ level?

During which of the following would the intrapleural pressure be greater than atmospheric pressure?

The alveoli are encircled by capillaries.

What does it mean to say that haemoglobin is fully saturated?

When the inspiratory neurons stop firing,the expiratory muscles contract.

Which statement concerning the dorsal respiratory group (DRG)is correct?

O₂ levels are much more closely regulated than CO₂ levels in the arterial blood.

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -respiratory rate × (tidal volume - dead space volume)

Pulmonary ventilation is another name for the mechanical act of ____________________.

Where are the stretch receptors for the Hering-Breuer reflex located?

Which statement is NOT true for haemoglobin?

During external respiration,the PCO₂ is greater in the blood of the pulmonary capillaries than in the alveoli.

Which of the following does NOT make breathing more difficult?

How is ventilation increased the most?

MATCHING Indicate which lung volume or capacity is being described in the column below by using the answer code (options may be used more than once or not at all): -vital capacity + residual volume

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

Vascular Physiology

The Blood

Body Defences

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters