The fossa ovalis is a remnant of the ________ of the fetus
A) umbilical vein
B) umbilical artery
C) foramen ovale
D) ductus venosus
E) ductus arteriosus
C
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Which specialized connective tissue holds together freely moving joints?
A. Tendons B. Ligaments C. Epiphyses D. Muscles
What is a perfect "substance X" for clinical determination of the GFR?
a. creatinine b. creatine c. glucose d. insulin e. inulin
The exact causes of inflammatory bowel diseases continue to be explored, but it is relatively clear that
A. the cause is allergy to a single particular food, and patients get immediate relief by simply not eating that food. B. individuals suffering from its effects are largely experiencing the consequences of the absence of immune mechanisms in the gastrointestinal tract. C. it can be easily diagnosed since its symptoms are always very specific and the affected areas are always limited to a very focused area within the small intestine. D. it is likely to result from a combination of environmental and genetic factors. E. it is equally common among people of all ages and racial groups within the population.
Dopamine is secreted by the ________ and is deficient in ________ disease.
A. substantia nigra; Parkinson B. medulla oblongata; Huntington C. amygdala; Lou Gehrig's D. cerebral cortex; Alzheimer