The good form of lipoprotein, which shuttles cholesterol back to the liver to be recycled and is protective to the cardiovascular system, is
What will be an ideal response?
high-density lipoprotein
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The function of the postcapillary venule is to
A. drain the capillary bed. B. allow for diffusion of metabolic wastes from the tissues. C. allow for diffusion of nutrients to the tissues. D. supply metarteriole with blood. E. allow for diffusion of nutrients and metabolic wastes.
Which of the following is the correct sequence of steps in the repair of a bone fracture?
a) fracture hematoma, bony callus formation, fibrocartilaginous callus formation, bone remodeling b) fibrocartilaginous callus formation, bony callus formation, fracture hematoma, bone remodeling c) bony callus formation, fracture hematoma, fibrocartilaginous callus formation, bone remodeling d) bone remodeling, fracture hematoma, fibrocartilaginous callus formation, bony callus formation e) fracture hematoma, fibrocartilaginous callus formation, bony callus formation, bone remodeling
The two longitudinal ridges on the medulla oblongata where many descending fibers cross over are called the ________
A) lateral horns B) pyramids C) olives D) nuclei
A 6-year-old boy presents to the emergency department with fever, abdominal cramps, and diarrhea. Arterial blood gases are as follows:
pH: 7.28 (normal: 7.35 to 7.45) PCO2: 24 mm Hg (normal: 33 to 44 mm Hg) [HCO3-]: 11 mEq/L (normal: 22 to 28 mEq/L) What is the acid-base disorder? A. metabolic acidosis with respiratory compensation B. metabolic acidosis with respiratory acidosis C. acute respiratory acidosis D. chronic respiratory acidosis