At a capillary bed, a vasoconstrictor
A. constricts local arterioles, thereby increasing pressure and increasing local blood flow.
B. stimulates precapillary sphincters and decreases local blood flow.
C. dilates local arterioles, thereby increasing pressure and increasing local blood flow.
D. inhibits precapillary sphincters to relax and decreases local blood flow.
E. constricts precapillary sphincters and thereby increases local blood flow.
B
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________ is the type of connective tissue that helps to cushion the ends of long bones.
A. Spongy bone B. Cartilage C. Bone marrow D. Synovium
Answer the following statements true (T) or false (F)
1. The loop of Henle can extend into the medulla of the kidney. 2. Bowman’s capsule can extend into the medulla of the kidney. 3. Bowman’s capsule catches glomerular filtrate. 4. The anabolism of protein creates nitrogenous wastes such as urea and ammonia. 5. Kidneys regulate the blood concentration of chloride, potassium, and bicarbonate.
Which of the following is not considered an accessory structure of the eye?
A) Conjunctiva B) Palpebra C) Superior oblique D) Lacrimal apparatus E) Cornea
Diet-induced thermogenesis is highest after ingestion of ________.
A) spicy foods, like jalapeno peppers. B) carbohydrates. C) fats. D) proteins.