During exercise, the oxygen-hemoglobin dissociation curve
A. doesn't shift.
B. shifts to the right.
C. shifts to the left.
Answer: B
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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.
The muscle tissue of the digestive system is called ________ muscle.
What will be an ideal response?
In an adult, a solid, cordlike structure called the ______ ______ represents the
former umbilical vein. Fill in the blank(s) with correct word
Continuous capillaries
A. have many thin areas called fenestrae. B. are freely permeable to large molecules such as hormones. C. have a wall where the endothelial cells fit very tightly together. D. are more permeable then fenestrated capillaries but not as permeable as sinusoidal capillaries. E. are characterized by continuous pores.