Other questions in this quiz

2. where do anterior intercostal veins drain to

  • 2nd - 4th left posterior intercostal -> left superior intercostal ->accessory hemiazygous -> azygous -> svc.5th - 8th left posterior intercostal -> accessory hemiazygous -> azygous -> svc. 9th -11th left posterior intercostal ->hemiazygous -> azygous -> svc. 2nd-4th right posterior intercostal ->right superior intercostal vein -> azygous -> svc. 5-11th right posterior intercostal -> azygous -> svc.
  • internal thoracic or musuculophrenic branch -> ivc
  • internal thoracic or musuculophrenic branch -> subclavian ->svc
  • left = ascending lumbar and subcostal hemiazygous-> azygous ->svc. right = right ascending lumbar +right subcostal -> azygous ->svc.
  • 2nd - 4th right posterior intercostal -> right superior intercostal ->accessory hemiazygous -> azygous -> svc.5th - 8th right posterior intercostal -> accessory hemiazygous -> azygous -> svc. 9th -11th right posterior intercostal ->hemiazygous -> azygous -> svc. 2nd-4th left posterior intercostal -> left superior intercostal vein -> azygous -> svc. 5-11th left posterior intercostal -> azygous -> svc.

3. which muscles are used in active expiration

  • internal intercostal muscles and diaphragm relax, anterolateral abdominal wall and external intercostal muscles contract
  • internal and innermost intercostal muscles and diaphragm relax, accessory and external intercostal muscles contract
  • external intercostal muscles and diaphragm contract, anterolateral abdominal wall, innermost and inner intercostal muscles relax
  • internal and innermost intercostal muscles and diaphragm contract, accessory and external intercostal muscles relax
  • internal intercostal muscles and diaphragm relax, accessory and external intercostal muscles contract
  • external intercostal muscles and diaphragm relax, anterolateral abdominal wall, innermost and internal intercostal muscles contract
  • external intercostal muscles and diaphragm contract, accessory, innermost and inner intercostal muscles relax
  • external intercostal muscles and diaphragm relax, accessory, innermost and internal intercostal muscles contract
  • internal and innermost intercostal muscles and diaphragm relax, anterolateral abdominal wall and external intercostal muscles contract
  • internal and innermost intercostal muscles and diaphragm contract, anterolateral abdominal wall and external intercostal muscles relax

4. what are the 5 groups of axillary lymph nodes

  • pectoral (on pec maj.), subscapular (posterior wall of axilla), brachial (lateral wall of axilla), central (base of axilla), apical (medial wall of axilla)
  • pectoral (on pec maj.), subscapular (posterior wall of axilla), brachial (lateral wall of axilla), central (base of axilla), apical (apex of axilla)
  • pectoral (on pec maj.), subscapular (posterior wall of axilla), brachial (lateral wall of axilla), central (medial wall of axilla), apical (apex of axilla)
  • pectoral (on pec maj.), subscapular (anterior wall of axilla), brachial (lateral wall of axilla), central (base of axilla), apical (apex of axilla)

5. what is the action of the platysma muscle

  • pulling down the mandible (opening the mouth) and pulling the corners or the mouth (frowning)
  • depresses scapular, accessory respiration
  • abducts arm, flexion and extension
  • protraction and rotation of scapular
  • adducts and medially rotates humerus; extends and flexes arm
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