Deck 16: Respiratory System

Question 1

A person attempting to catch her breath will often place the upper extremities in a closed chain position.Which principle of muscle action accounts for why this is effective?

A) Active insufficiency of the diaphragm
B) Passive insufficiency of the diaphragm
C) Reversal of muscle action of the muscles of the shoulder complex
D) Force couple is formed with the internal and external internal intercostals.

Answer 1

Reversal of muscle action of the muscles of the shoulder complex

Question 2

A person with a spinal cord injury above which of the following levels would require ventilator dependency?

A) L1
B) T8
C) C6
D) C3

Answer 2

C3

Question 3

Which muscles originate on the rib above and insert on the rib below and serve to elevate the ribs?

A) Internal intercostals
B) External intercostals
C) Diaphragm
D) Pectoralis major

Answer 3

External intercostals

Question 4

During inspiration,air moves into the lungs due to which of the following explanations?

A) The size of the thoracic cavity decreases,and the air pressure inside decreases.
B) The size of the thoracic cavity increases,and the air pressure inside decreases.
C) Gravity allows it to flow from the nose down into the lungs.
D) None of the above explains why this happens.

Question 5

The most inferior tip of the sternum is called the

A) xiphoid process.
B) manubrium.
C) demifacet.
D) tubercle.

Question 6

Which muscle originates on the xiphoid process,the ribs,and the lumbar vertebra and inserts on the central tendon?

A) Internal intercostals
B) External intercostals
C) Diaphragm
D) Pectoralis major

Question 7

You read in a trauma patient's chart that he has rib fractures and a collapsed lung.Another term for collapsed lung is which of the following?

A) Pneumothorax
B) Pneumonia
C) Pleurisy
D) Hyperventilation

Question 8

At rest,what is the shape of the diaphragm muscle?

A) Concave
B) Dome-shaped
C) Convex
D) The diaphragm doesn't change shape with rest or when contracted.

Question 9

Patients in hospitals will often use an instrument called an incentive spirometer to assist in fully expanding the lungs after surgery or prolonged bedrest.This has the patient focus on deep inspiration and activates all of the following muscles EXCEPT the

A) diaphragm.
B) external intercostals.
C) scalenes.
D) rectus abdominis.

Question 10

Quiet inspiration requires the use of which of the following?

A) Internal intercostals
B) External intercostals
C) Gravity
D) Recoil of the diaphragm

Question 11

Another term for forced expiration is

A) air hunger.
B) pneumothorax.
C) pleurisy.
D) reversal of muscle action.

Question 12

A chronic lung pathology characterized by loss of elasticity of the alveolar walls is which of the following?

A) Pneumonia
B) Bronchitis
C) Emphysema
D) Pleurisy