This figure shows a superior view of the cranial cavity. Which number indicates the foramen ovale?
A. 2
B. 5
C. 6
D. 7
E. 8
E
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Alkalosis occurs when the:
a. blood concentration of hydrogen ions rises b. pH of the blood drops c. concentration of the hydroxide ion drops d. blood pH rises
Which is characteristic of a female skull, as compared to a male skull?
A. Little or no prominence to superciliary arches B. Chin pointed and triangular C. External surface of occipital bone relatively smooth D. Mandibular angle greater than 125 degrees E. All of the choices are characteristic of a female skull.
All of the following are true pertaining to coronary bypass surgery except:
A) it can only be done after a coronary angioplasty procedure. B) a segment of the saphenous vein is often used to bypass the obstructed segment of the affected coronary artery. C) the internal thoracic artery may be used to directly supply the distal segment of a coronary artery. D) it is done in cases of coronary artery stenosis. E) when a vein is used to shunt the blood around the obstructed segment, it has to be reversed so that the valves do not impede the flow of blood.
The hormone that directly controls water excretion by the kidneys is
A) ADH. B) ANP. C) aldosterone. D) epinephrine. E) angiotensin.