The right and left atria depolarize and contract following the arrival of the action potential from the __________.
Fill in the blank(s) with the appropriate word(s).
sinoatrial (SA) node
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What is the insertion of the muscle labeled E?
a) mastoid process of temporal bone b) sternum and clavicle c) occipital bone d) clavicle and spine of the scapula e) coracoid process of the scapula
Typically, cervical disc herniation:
A) results from forcible hyperextension. B) affects the spinal nerve exiting at the level of the affected disc (C5 nerve affected with C4/C5 disc herniation). C) is associated with vertebral body fracture. D) is associated with osteoarthritis of the facet joints. E) is associated with rupture of the ligamentum flavum.
What is the first part of the trachea called?
a. uvula b. pharynx c. larynx d. glottis e. palate
Which statement best describes the texture of the sheep lung?
A) It feels stiff and rigid. B) It feels like a slippery hose. C) It feels like a copper pipe. D) It feels like a sponge.