Deck 30: Myasthenia Gravis

Question 1

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
ERV

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Answer 1

Decreases

Question 2

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
FVC

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Answer 2

Decreases

Question 3

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
FRC

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Answer 3

Decreases

Question 4

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
V_T

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 5

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
TLC

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 6

MATCHING
The clinical scenarios associated with respiratory disease result from the pathophysiologic mechanisms caused (or activated) by the anatomic alterations of the lungs associated with the disorder. Using the "Yes" or "No" items, match the major anatomic alterations of the lungs that cause the clinical scenario associated with Myasthenia Gravis (when ventilatory failure is not properly managed).
Excessive Bronchial Secretions Clinical Scenario

A)YES-This is associated with myasthenia gravis.
B)NO-This is not associated with myasthenia gravis.

Question 7

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
FEF _200-1200

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 8

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
FEV_T

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 9

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
VC

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 10

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
FEF _25%-75%

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 11

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
RV

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 12

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
IC

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 13

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
FEF_50%

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 14

MATCHING
The clinical scenarios associated with respiratory disease result from the pathophysiologic mechanisms caused (or activated) by the anatomic alterations of the lungs associated with the disorder. Using the "Yes" or "No" items, match the major anatomic alterations of the lungs that cause the clinical scenario associated with Myasthenia Gravis (when ventilatory failure is not properly managed).
Alveolar Consolidation Clinical Scenario

A)YES-This is associated with myasthenia gravis.
B)NO-This is not associated with myasthenia gravis.

Question 15

MATCHING
The clinical scenarios associated with respiratory disease result from the pathophysiologic mechanisms caused (or activated) by the anatomic alterations of the lungs associated with the disorder. Using the "Yes" or "No" items, match the major anatomic alterations of the lungs that cause the clinical scenario associated with Myasthenia Gravis (when ventilatory failure is not properly managed).
Distal Airway and Alveolar Weakening Clinical Scenario

A)YES-This is associated with myasthenia gravis.
B)NO-This is not associated with myasthenia gravis.

Question 16

MATCHING
The clinical scenarios associated with respiratory disease result from the pathophysiologic mechanisms caused (or activated) by the anatomic alterations of the lungs associated with the disorder. Using the "Yes" or "No" items, match the major anatomic alterations of the lungs that cause the clinical scenario associated with Myasthenia Gravis (when ventilatory failure is not properly managed).
Increased Alveolar-Capillary Membrane Thickness Clinical Scenario

A)YES-This is associated with myasthenia gravis.
B)NO-This is not associated with myasthenia gravis.

Question 17

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
PEFR

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 18

MATCHING
The clinical scenarios associated with respiratory disease result from the pathophysiologic mechanisms caused (or activated) by the anatomic alterations of the lungs associated with the disorder. Using the "Yes" or "No" items, match the major anatomic alterations of the lungs that cause the clinical scenario associated with Myasthenia Gravis (when ventilatory failure is not properly managed).
Atelectasis Clinical Scenario

A)YES-This is associated with myasthenia gravis.
B)NO-This is not associated with myasthenia gravis.

Question 19

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
MVV

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 20

MATCHING
The clinical scenarios associated with respiratory disease result from the pathophysiologic mechanisms caused (or activated) by the anatomic alterations of the lungs associated with the disorder. Using the "Yes" or "No" items, match the major anatomic alterations of the lungs that cause the clinical scenario associated with Myasthenia Gravis (when ventilatory failure is not properly managed).
Bronchospasm Clinical Scenario

A)YES-This is associated with myasthenia gravis.
B)NO-This is not associated with myasthenia gravis.

Question 21

Match what develops in the oxygen indices of a patient with myasthenia gravis to the items listed below. Items may be used once, more than once, or not at all.
DO₂

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 22

Which of the following is/are used to treat myasthenia gravis?

A) I and III only
B) II and III only
C) II, III, and V only
D) III, IV, and V only
E) I, II, III, IV, and V

Question 23

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
FEV_1%

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 24

Myasthenia gravis usually has a peak age onset in women between 15 and 35 years.

Question 25

ACTH has proved to be useful in the treatment of severely ill patients with myasthenia gravis.

Question 26

Match the arterial blood gas changes that occur in the patient who has myasthenia gravis to the items listed below. Items under be used once, more than once, or not at all.
PaCO₂

A)Increases
B)Decreases
C)Normal

Question 27

Match the arterial blood gas changes that occur in the patient who has myasthenia gravis to the items listed below. Items under be used once, more than once, or not at all.
HCO₃^-

A)Increases
B)Decreases
C)Normal

Question 28

Which of the following is/are common noncardiopulmonary manifestations associated with myasthenia gravis?

A) I only
B) III only
C) II and IV only
D) I, III, and IV only
E) I, II, III, and IV

Question 29

The cause of myasthenia gravis appears to be related to circulating antibodies that disrupt the transmission of acetylcholine.

Question 30

Myasthenia gravis is more common in men.

Question 31

Match what develops in the oxygen indices of a patient with myasthenia gravis to the items listed below. Items may be used once, more than once, or not at all.
O₂ER

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 32

Match what develops in the oxygen indices of a patient with myasthenia gravis to the items listed below. Items may be used once, more than once, or not at all.
_S/ _T

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 33

Match what develops in the oxygen indices of a patient with myasthenia gravis to the items listed below. Items may be used once, more than once, or not at all.
SvO₂

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 34

Which of the following is/are associated with myasthenia gravis?

A) I only
B) IV only
C) II and IV only
D) I, II, and III only
E) I, II, III, and IV

Question 35

Next to the pulmonary function studies, match the findings that typically develop in patients who have myasthenia gravis. Items may be used once, more than once, or not at all.
RV/TLC %

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 36

Match what develops in the oxygen indices of a patient with myasthenia gravis to the items listed below. Items may be used once, more than once, or not at all.
O₂

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 37

The diagnosis of myasthenia gravis is usually confirmed with the Tensilon test.

Question 38

Match the arterial blood gas changes that occur in the patient who has myasthenia gravis to the items listed below. Items under be used once, more than once, or not at all.
pH

A)Increases
B)Decreases
C)Normal

Question 39

The thymus gland in many myasthenic patients appears to be the source of anti-ACh receptor antibodies.

Question 40

Match what develops in the oxygen indices of a patient with myasthenia gravis to the items listed below. Items may be used once, more than once, or not at all.
C(a-v)

A)Normal
B)Decreases
C)Increases
D)Normal or decreased
E)Normal or increased

Question 41

Weakness of the muscles of the lower portion of the face is associated with myasthenia gravis.

Question 42

The DO₂ is increased in the patient with myasthenia gravis.

Question 43

Myasthenia gravis is a chronic disorder of the neuromuscular junction that interferes with the chemical transmission of acetylcholine between the axonal terminal and the receptor sites of voluntary muscles.

Question 44

Diminished breath sounds are associated with myasthenia gravis.