Nonprotein nitrogenous substances include
A) creatinine. B) urea.
C) amino acids. D) all of the above.
D
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Which type of vessel consists of a single layer of endothelium?
A) None of the listed responses is correct. B) arteries C) veins D) capillaries
A sickle-shaped vertical partition that divides the left and right cerebellar hemispheres is the
A. tentorium cerebelli. B. falx cerebelli. C. diaphragma sellae. D. superior sagittal sinus. E. falx cerebri.
Which of the following is NOT characteristic of inflammatory bowel disease (IBD)?
A. Pain in the lower right abdomen frequently mistaken for appendicitis B. Bleeding, edema, and ulceration anywhere along the gastrointestinal tract C. Perforations in the mucosa and intestinal wall, leading to infection by bacteria, which are normally present and benign D. Pain relief when changing to a diet higher in fiber E. Inflammation and thickening of the bowel wall to the point of preventing the usual passage of feces
Which of the following statements about nephrons is TRUE?
A. Their large surface area inhibits their function. B. They are the fundamental functional units of the kidney. C. Several tiny nephrons have a surface area the size of one large nephron. D. Nephrons consist of afferent and efferent arterioles.