click below
click below
Normal Size Small Size show me how
Alisha chavez
Anatomy 6-12
Question | Answer |
---|---|
After blood leaves the lungs and returns to the heart, it enters the | right atrium. left atrium. right ventricle. left ventricle. |
The upper respiratory tract includes all of the following structures except the: | larynx. trachea. oropharynx. nasopharynx |
The external openings to the nasal cavities can be referred to as: | nostrils. anterior nares. external nares. all of the above. |
Which of the following is not a true statement? | the diaphragm relaxes, it returns to a domelike shape. The diaphragm contracts, it pulls the floor of the thoracic cavity downward. Changes in thorax size bring about inspiration and expiration. Raising the ribs decreases the depth and wid |
The functions of the lymph nodes are | defense and hemostasis. defense and diapedesis. defense and hematopoiesis. hematopoiesis and hemostasis. |
The hormone produced by the heart | increases the excretion of sodium in the urine. increases calcium levels in the blood. is secreted in response to low blood volumes. decreases urine output. |
Muscles that contract at the same time as the prime mover are called: | synergists. fixators. antagonists. both A and B. |
Muscles may be named according to: | function. direction of fibers. points of attachment. all of the above. |
The largest and most numerous types of neuroglia are the: | astrocytes. microglia. ependymal cells. oligodendrocytes |
A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | erythropoietin. hemoglobin. spectrin. proerythroblast. |