A&P 2 Straighterline Study Guide Content Questions with Correct
Answers (Grade A+)
Question 1: Cystic fibrosis is best described as
Answer: c. a genetic disorder that affects mucus secretions in ducts
and tubes.
Question 2: Emphysema is characterized by
Answer: a. the destruction of alveolar walls.
Question 3: In which portion of the digestive tract does digestion begin?
Answer: c. mouth
Question 4: Dying blood cells are phagocytized by Kupffer cells in the
Answer: Select one:
a. lungs.
b. kidneys.
c. liver.
d. stomach.
Question 5: What is the process by which contractions of the esophageal muscles move food toward the
stomach?
Answer: b. peristalsis
Question 6: Protein digestion begins in the
Answer: Select one:
a. small intestine.
b. esophagus.
c. mouth.
d. stomach.
Question 7: An individual deficient for vitamin A would experience which set of symptoms?
Answer: d. night blindness, retarded growth, and skin disorders
Page 1
, Question 8: Which organic compound contains the most kilocalories of energy per gram?
Answer: elect one:
a. fats
b. carbohydrates
c. proteins
d. nucleic acids
Question 9: Which sequence correctly shows the direction of food movement during digestion?
Answer: d. esophagus stomach pyloric sphincter duodenum
Question 10: What is produced by the goblet cells of the duodenal mucosa?
Answer: d. protective mucus
Question 11: What is the effect of hydrochloric acid secretion into the stomach?
Answer: Select one:
a. It kills bacteria in the food.
b. It facilitates absorption of lipids.
c. It initiates carbohydrate digestion.
d. It deactivates the function of pepsin.
Question 12: What is the process by which large molecules are broken down into smaller molecules to
release energy?
Answer: Select one:
a. metabolism
b. anabolism
c. catabolism
d. ATP synthesis
Question 13: Internally, the kidney is divided into the medulla and the
Answer: cortex
Question 14: In which of the following regions of the nephron does active reabsorption of ions such as
Na+, K+, and Cl- begin?
Answer: Select one:
a. distal convoluted tubule
b. loop of Henle
c. proximal convoluted tubule
d. renal corpuscle
Page 2
Answers (Grade A+)
Question 1: Cystic fibrosis is best described as
Answer: c. a genetic disorder that affects mucus secretions in ducts
and tubes.
Question 2: Emphysema is characterized by
Answer: a. the destruction of alveolar walls.
Question 3: In which portion of the digestive tract does digestion begin?
Answer: c. mouth
Question 4: Dying blood cells are phagocytized by Kupffer cells in the
Answer: Select one:
a. lungs.
b. kidneys.
c. liver.
d. stomach.
Question 5: What is the process by which contractions of the esophageal muscles move food toward the
stomach?
Answer: b. peristalsis
Question 6: Protein digestion begins in the
Answer: Select one:
a. small intestine.
b. esophagus.
c. mouth.
d. stomach.
Question 7: An individual deficient for vitamin A would experience which set of symptoms?
Answer: d. night blindness, retarded growth, and skin disorders
Page 1
, Question 8: Which organic compound contains the most kilocalories of energy per gram?
Answer: elect one:
a. fats
b. carbohydrates
c. proteins
d. nucleic acids
Question 9: Which sequence correctly shows the direction of food movement during digestion?
Answer: d. esophagus stomach pyloric sphincter duodenum
Question 10: What is produced by the goblet cells of the duodenal mucosa?
Answer: d. protective mucus
Question 11: What is the effect of hydrochloric acid secretion into the stomach?
Answer: Select one:
a. It kills bacteria in the food.
b. It facilitates absorption of lipids.
c. It initiates carbohydrate digestion.
d. It deactivates the function of pepsin.
Question 12: What is the process by which large molecules are broken down into smaller molecules to
release energy?
Answer: Select one:
a. metabolism
b. anabolism
c. catabolism
d. ATP synthesis
Question 13: Internally, the kidney is divided into the medulla and the
Answer: cortex
Question 14: In which of the following regions of the nephron does active reabsorption of ions such as
Na+, K+, and Cl- begin?
Answer: Select one:
a. distal convoluted tubule
b. loop of Henle
c. proximal convoluted tubule
d. renal corpuscle
Page 2
