A & P 2 Straighterline
Final Exam
1. Which of the following structures in the heart is responsible for initiating the
electrical impulse that triggers each heartbeat?
a) AV node
b) SA node
c) Bundle of His
d) Purkinje fibers
Answer: b) SA node
2. The main function of the kidneys is to:
,a) Produce red blood cells
b) Regulate blood pressure
c) Filter waste and excess substances from the blood
d) Store bile for digestion
Answer: c) Filter waste and excess substances from the blood
3. Which of the following is a function of the respiratory system?
a) Regulation of blood pH
b) Production of insulin
c) Synthesis of vitamin D
d) Production of digestive enzymes
Answer: a) Regulation of blood pH
4. The release of insulin from the pancreas is primarily regulated by:
a) Low blood glucose levels
b) High blood glucose levels
c) The nervous system
d) The presence of food in the stomach
Answer: b) High blood glucose levels
5. Which of the following is NOT a function of the liver?
a) Detoxification of harmful substances
b) Storage of glycogen
c) Production of bile
d) Synthesis of white blood cells
Answer: d) Synthesis of white blood cells
6. The process of digestion begins in the:
,a) Stomach
b) Mouth
c) Small intestine
d) Esophagus
Answer: b) Mouth
7. The majority of nutrient absorption occurs in which part of the digestive system?
a) Stomach
b) Large intestine
c) Small intestine
d) Esophagus
Answer: c) Small intestine
8. Which of the following is a major component of the blood’s plasma?
a) Red blood cells
b) Platelets
c) Water
d) Hemoglobin
Answer: c) Water
9. Which hormone is primarily responsible for regulating the body’s metabolism?
a) Cortisol
b) Insulin
c) Thyroxine
d) Estrogen
Answer: c) Thyroxine
, 10. The sympathetic nervous system is part of the ________ nervous system and is
responsible for the ________ response.
a) Central; fight or flight
b) Peripheral; rest and digest
c) Peripheral; fight or flight
d) Central; rest and digest
Answer: c) Peripheral; fight or flight
11. Which of the following is the primary function of the large intestine?
a) Absorption of nutrients
b) Storage of bile
c) Absorption of water and electrolytes
d) Digestion of proteins
Answer: c) Absorption of water and electrolytes
12. Which of the following blood vessels carries oxygenated blood from the lungs to
the heart?
a) Pulmonary artery
b) Pulmonary vein
c) Aorta
d) Superior vena cava
Answer: b) Pulmonary vein
13. The trachea divides into two bronchi, which then branch into smaller tubes
called:
a) Alveolar sacs
b) Bronchioles
c) Capillaries
d) Lungs
Final Exam
1. Which of the following structures in the heart is responsible for initiating the
electrical impulse that triggers each heartbeat?
a) AV node
b) SA node
c) Bundle of His
d) Purkinje fibers
Answer: b) SA node
2. The main function of the kidneys is to:
,a) Produce red blood cells
b) Regulate blood pressure
c) Filter waste and excess substances from the blood
d) Store bile for digestion
Answer: c) Filter waste and excess substances from the blood
3. Which of the following is a function of the respiratory system?
a) Regulation of blood pH
b) Production of insulin
c) Synthesis of vitamin D
d) Production of digestive enzymes
Answer: a) Regulation of blood pH
4. The release of insulin from the pancreas is primarily regulated by:
a) Low blood glucose levels
b) High blood glucose levels
c) The nervous system
d) The presence of food in the stomach
Answer: b) High blood glucose levels
5. Which of the following is NOT a function of the liver?
a) Detoxification of harmful substances
b) Storage of glycogen
c) Production of bile
d) Synthesis of white blood cells
Answer: d) Synthesis of white blood cells
6. The process of digestion begins in the:
,a) Stomach
b) Mouth
c) Small intestine
d) Esophagus
Answer: b) Mouth
7. The majority of nutrient absorption occurs in which part of the digestive system?
a) Stomach
b) Large intestine
c) Small intestine
d) Esophagus
Answer: c) Small intestine
8. Which of the following is a major component of the blood’s plasma?
a) Red blood cells
b) Platelets
c) Water
d) Hemoglobin
Answer: c) Water
9. Which hormone is primarily responsible for regulating the body’s metabolism?
a) Cortisol
b) Insulin
c) Thyroxine
d) Estrogen
Answer: c) Thyroxine
, 10. The sympathetic nervous system is part of the ________ nervous system and is
responsible for the ________ response.
a) Central; fight or flight
b) Peripheral; rest and digest
c) Peripheral; fight or flight
d) Central; rest and digest
Answer: c) Peripheral; fight or flight
11. Which of the following is the primary function of the large intestine?
a) Absorption of nutrients
b) Storage of bile
c) Absorption of water and electrolytes
d) Digestion of proteins
Answer: c) Absorption of water and electrolytes
12. Which of the following blood vessels carries oxygenated blood from the lungs to
the heart?
a) Pulmonary artery
b) Pulmonary vein
c) Aorta
d) Superior vena cava
Answer: b) Pulmonary vein
13. The trachea divides into two bronchi, which then branch into smaller tubes
called:
a) Alveolar sacs
b) Bronchioles
c) Capillaries
d) Lungs
