« previous next »

Author Question: You are examining the expiratory flow tracing during the patient's forced vital capacity (FVC) ... (Read 53 times)

CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525
on: Jul 16, 2018
You are examining the expiratory flow tracing during the patient's forced vital capacity (FVC) maneuver. At what point during the exhalation can you generally begin to see flow from the bronchioles?
 
  a. Beyond 30
  b. Beyond 50
  c. Beyond 70
  d. Beyond 90

Question 2

What shape of the flow-volume loop is typical for the patient with a fixed upper airway obstruc-tion?
 
  a. Circular
  b. Box
  c. Elliptical
  d. Ramp


phuda

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
Any flow measured in the first half of the FVC reflects on the bronchi; any flow measured be-yond 50 of the vital capacity reflects on the bronchioles.

Answer to Question 2

ANS: B
Compared with the normal flow-volume loop, a fixed upper airway obstruction produces a curve that appears box-shaped.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Medical assistants can quickly pull up a patient record when a phone call is received. Medical assistants can quickly pull up a patient record when a phone call is received.
A physical therapist exercising the patient’s leg in a physical therapy department. A physical therapist exercising the patient’s leg in a physical therapy department.
A pacemaker in a patient’s chest. A pacemaker in a patient’s chest.
Examples of endocrine disorders. (D) A patient with gigantism. Examples of endocrine disorders. (D) A patient with gigantism.
Coolant flow through a typical engine cooling system. Coolant flow through a typical engine cooling system.
A radiator may be either a down-flow or a cross-flow type. A radiator may be either a down-flow or a cross-flow type.
Video: Properties of water -structure of water and polarity (Ionized and polar compounds)

For a complete list of videos, visit our video library