EPSPs (excitatory postsynaptic potentials) occur when
A) more potassium ions than usual leak out of a cell.
B) more calcium ions than usual leak out of a cell.
C) chloride ions enter a cell.
D) extra sodium ions enter a cell.
E) hyperpolarizations occur.
Answer: D
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Muscles with fibers that run at an angle to the long axis of the body are called
A) lateralis. B) transversus. C) rectus. D) oblique. E) medialis.
Answer the following statements true (T) or false (F)
1. The respiratory membrane is found only in the lower respiratory tract. 2. The respiratory membrane plays an important role in air purification. 3. The uppermost part of the pharynx is the oropharynx. 4. Pulmonary ventilation and external respiration are different terms for the same thing.
The three meninges are the dura mater, arachnoid, and pia mater.?
Indicate whether the statement is true or false
The chin is ____________________ to the nose
Fill in the blank(s) with correct word