Hyperventilation produces which of these effects?
A) decreased blood PCO2
B) vasodilation of peripheral blood vessels
C) decreased blood pressure
D) increase in pH
E) all of these
Answer: E) all of these
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Leukopenia is a disorder resulting from conditions like HIV and aplastic anemia that causes levels of white blood cells to drop below the normal standard. Which of the following white blood cell counts suggests leukopenia?
A. 3,000 WBCs per microliter of blood B. 10,000 WBCs per microliter of blood C. 5,000 WBCs per microliter of blood D. 3,900 WBCs per microliter of blood
Which of the following is NOT a factor that the rate of pulmonary and systemic gas exchange depends on?
a) Partial pressure difference of the gases b) Surface area for gas exchange c) Diffusion distance d) Molecular weight and solubility of the gases e) Force of contraction of diaphragm
The main difference between active and passive transport is:
a. the amount of material moved b. the direction in which the material is moved c. whether cell energy is required d. the type of cell involved
The medial pole of the ovary is attached to the uterus by which ligament?
A. Suspensory ligament B. Ovarian ligament C. Mesovarium D. Broad ligament