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NUR 300 ( LATEST 2024 / 2025 ) LUNGS | (ACTUAL EXAM ) QUESTIONS AND ANSWERS (SOLVED)
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NUR 300 ( LATEST 2024 / 2025 ) LUNGS | (ACTUAL EXAM ) QUESTIONS AND ANSWERS (SOLVED)
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NUR 300 Lungs1. Thorax/chest
Answer
Cage of bone, cartilage and muscle that moves as lung expands
2. In class question**
Name thorax landmarks
Answer
-Costal margins
-Sternal notch
-Clanicle
3. Anterior thorax landmarks
Answer
-Sternum
-Manubrium
-Xiphoid Process
-Coastal Cartilage
4. Costochrondritis
Answer
-An inflammation of the cartilage that connects a rib to the breastbone.
5. Sternal Angle
Answer
Also called the angle of Louis
-articulation of the manubrium and body of sternum.
-Continuous with the 2nd rib
,-Useful place to start counting ribs
6. Intercostal spaces
Answer
-numbered by the rib above it
-spaces between ribs
7. Lateral Thorax
Answer
-12 pairs of ribs
--8,9,10 continous ribs
8. Posterior Thorax
Answer
-12 thoracic vertabrae
-All 12 ribs are attached to vertabrae
-Upper 7 ribs attached to ant. to sternum by costal cartilage
-last 2 ribs 11, 12, not attached anteriorly
9. Diaphragm and Intercostals
Answer
-Muscles of inspiration
-External intercostal muscles increase anterioposterior space during inspiration.
-Internal intercostals decrease transverse diameter during expiration.
-Diaphragm moves downward during insp. enlarging the space.
-With expiration the diaphragm goes up.
10. Sternocleidomastoid and trapezius
Answer
-Accessory muscles of inspiration
, 11. Interior chest- 3 major spaces
Answer
-Right and left pleural cavities
-Mediastinum-Heart cavity and thymus gland too
-Parietal plurae lines outside of pleural cavities and visceral plurae lines inside. Serous
membrane that encloses lung.
12. Diaphragm
Answer
-Diaphragm moves down during inspiration up during expiration
13. Pleuritis
Answer
Inflammation of the pleura
14. Lungs
Answer
-paired but not symmetric, elastic and spongy
-Rt 3 lobes
-Lt 2 lobes
-Each lobe has blood vessels, lymphatics, nerves, alveolar ducts, connecting with alveoli. (300
mill in adult)
-Shaped by elastic sub pleural tissue that limits expansion
-Each one is conical- apex rounded, extends approx 4 cms about first rib into base of neck in the
adult
-Posterior apices of lung rise to T 1.
-Lower borders descend on deep insp to about T 12. Rise on forced T 9 .
-Base of each lung is broad and concave, resting on concave surface of diaphragm
15. RSV- Respiratory Synctial Virus
Answer
-Bronchiolitis
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