BIO 256 COMPREHENSIVE EXAMINATION TEST VERIFIED QUESTIONS AND ACCURATE ANSWERS

BIO 256 COMPREHENSIVE EXAMINATION
TEST VERIFIED QUESTIONS AND
ACCURATE ANSWERS

●● Which structure prevents food from entering the lower respiratory
tract during swallowing
Answer: Epiglottis


●● Which metabolic pathway produces lactic acid when oxygen is
absent
Answer: Anaerobic Glycolosis


●● Which connective tissue covers and surrounds each individual
muscle fibers
Answer: Endomysium


●● Which enzyme begins protein digestion in the stomach
Answer: Pepsin


●● Which blood vessel drains blood from the liver to the inferior vena
cava
Answer: Hepatic vein

, ●● Which process creates glucose from non-carbohydrate precursors?
Answer: Gluconeogenesis


●● Which brain part regulates body temperature, hunger, and thirst
Answer: Hypothalamus


●● Which pressure drives water out of capillaries
Answer: Capillary hydrostatic pressure


●● Which buffer system is important in regulating blood pH?
Answer: Bicarbonate buffer system


●● Which cation is most abundant in extracellular fluid
Answer: Sodium


●● Which bone forms part of the pectoral girdle
Answer: Clavicle


●● Which hormone primarily reduces calcium levels in the blood
Answer: Calcitonin