Blood flow from the lower portions of the body return to the heart via the ____ vena cava
a. anterior
b. medial
c. inferior
d. lateral
c
You might also like to view...
Match the type of signal to its description (answers may be used more than once).
1. may be hyperpolarizing 2. originate(s) at the trigger zone 3. originate(s) on dendrites and cell bodies 4. can involve ion channels regulated by chemicals 5. require(s) a minimum stimulus to occur 6. size increases if stimulus strength increases 7. result(s) from influx of sodium A. graded potential B. action potential C. both
Where is the subdural space?
a) E b) F c) G d) H e) I
The two types of leukocytes that clean up debris underneath the blood clot of a wound are
A. keratinocytes and macrophages. B. Merkel cells and dendritic cells. C. dendritic cells and keratinocytes. D. macrophages and neutrophils. E. fibroblasts and neutrophils.
Which is characteristic of a person chronically suffering from hypoxic hypoxia?
A. Lower-than-normal blood flow through tissues B. Lower-than-normal lactic acid production C. Higher-than-normal alveolar PO2 D. Higher-than-normal arterial PO2 E. Higher-than-normal hematocrit