BIO 250 CERTIFICATION EVALUATION EXAM
2026 QUESTIONS WITH ANSWERS GRADED
A+
◉ What describes segmentation movement in the small intestine?
Answer: Mixing contractions moving contents back and forth
◉ How many ATP are generated in one turn of the Krebs Cycle?
Answer: 1 ATP
◉ Which ionic element triggers muscle contraction by binding troponin?
Answer: Calcium (Ca²I)
◉ Where does the majority of carbohydrate digestion occur? Answer:
Small intestine
◉ What is the function of the hepatic portal vein? Answer: Nutrient
processing and storage
◉ What process builds larger molecules from smaller ones? Answer:
Anabolism
, ◉ Which brain structure controls heart rate and breathing? Answer:
Medulla oblongata
◉ What imbalance does prolonged diarrhea cause? Answer: Metabolic
acidosis
◉ What happens to RBCs placed in a hypertonic solution? Answer:
Shrinks
◉ Which system responds fastest to blood pH disturbances? Answer:
Respiratory system
◉ What condition is indicated by a blood pH below 7.35? Answer:
Acidosis
◉ What is a bone of the axial skeleton? Answer: Sternum
◉ Which hormone promotes KI secretion and NaI reabsorption?
Answer: Aldosterone
◉ What is the most abundant extracellular anion? Answer: Chloride
(ClI)
2026 QUESTIONS WITH ANSWERS GRADED
A+
◉ What describes segmentation movement in the small intestine?
Answer: Mixing contractions moving contents back and forth
◉ How many ATP are generated in one turn of the Krebs Cycle?
Answer: 1 ATP
◉ Which ionic element triggers muscle contraction by binding troponin?
Answer: Calcium (Ca²I)
◉ Where does the majority of carbohydrate digestion occur? Answer:
Small intestine
◉ What is the function of the hepatic portal vein? Answer: Nutrient
processing and storage
◉ What process builds larger molecules from smaller ones? Answer:
Anabolism
, ◉ Which brain structure controls heart rate and breathing? Answer:
Medulla oblongata
◉ What imbalance does prolonged diarrhea cause? Answer: Metabolic
acidosis
◉ What happens to RBCs placed in a hypertonic solution? Answer:
Shrinks
◉ Which system responds fastest to blood pH disturbances? Answer:
Respiratory system
◉ What condition is indicated by a blood pH below 7.35? Answer:
Acidosis
◉ What is a bone of the axial skeleton? Answer: Sternum
◉ Which hormone promotes KI secretion and NaI reabsorption?
Answer: Aldosterone
◉ What is the most abundant extracellular anion? Answer: Chloride
(ClI)
