The fold of the dura between the cerebrum and the cerebellum is called the:
a. falx cerebri
b. tentorium cerebelli
c. superior sagittal sinus
d. corpus callosum
Answer: b. tentorium cerebelli
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It is during weeks 5-8 that the single heart tube of the embryo becomes partitioned into four chambers and the main vessels that leave and enter the heart form.
Answer the following statement true (T) or false (F)
If a patient with pulmonary disease began to hypoventilate, how would plasma levels of [H+], HCO3-, and PCO2 be changed, compared to normal?
A. Decreased [H+], increased PCO2, and decreased [HCO3-] B. Decreased [H+], decreased PCO2, and decreased [HCO3-] C. Increased [H+], increased PCO2, and decreased [HCO3-] D. Increased [H+], increased PCO2, and increased [HCO3-] E. Increased [H+], decreased PCO2, and decreased [HCO3-]
What effect does a ?2 agonist have on the diameter of respiratory passages?
A) The diameter of the respiratory passageways will decrease. B) The diameter of the respiratory passageways will increase. C) The drug will have no effect on passageway diameter. D) The diameter of the respiratory passageways will decrease first, and then increase.
In the following illustration, the arrows points to a line that represents the:
A) separation between the superior thoracic aperture and the mediastinum. B) separation between the superior mediastinum and the inferior mediastinum. C) separation between the superior and inferior thoracic lymph drainage areas. D) separation between the axillary and abdominal lymph drainage of the breast. E) level of the jugular notch.