The respiratory center of the brain (taking into account input from chemoreceptors, pulmonary stretch receptors and higher centers of the brain to determine respiratory output) is an example of a ______ circuit
A.
parallel after-discharge
B.
reverberating
C.
converging
D.
diverging
C
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Each of the following factors affects the rate of external respiration except the
A) PO2 of the alveoli. B) PCO2 of the blood. C) thickness of the respiratory membrane. D) PN2 of the alveoli. E) solubility of oxygen in plasma.
The term external means
A. away from the midline of the body. B. toward the head. C. nearer the inside or core of the body or an organ. D. nearer the outside of the body or an organ. E. lying on the abdomen, face downward.
A patient is complaining of pain and the doctor suspects appendicitis. In which quadrant is the pain located?
A) RUQ B) LUQ C) RLQ D) LLQ
This is not a characteristic of an electron.
a. Is in an orbital around the nucleus of the atom b. Has a negative electrical charge c. Contributes to the atom’s atomic number d. All of the above are characteristics of an electron