NBCE PART 1 PHYSIOLOGY EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
Where is pancreatic amylase made? - ANSWERS-Small
intestine
Where is sucrase, lactase or maltase absorbed? - ANSWERS-
Small intestine
What converts pepsinogen to pepsin? - ANSWERS-HCl
(hydrochloric acid)
What gives rise to gastrin and what does it do? - ANSWERS--
Pyloric glands make gastric cells which makes gastrin
- Gastrin increases gastric secretions, motility, and mucous
,What makes mucous in the stomach? - ANSWERS-mucous
neck cells aka cardiac gastric cells
Where is intrinsic factor or B12 absorbed? - ANSWERS-
Terminal ileum/Distal Ileum
What inhibits the action of gastrin in the stomach? -
ANSWERS-CCK
Where does protein digestion begin? - ANSWERS-stomach
Where are lieberkuhn glands located? - ANSWERS-Small
intestine
What type of diet has a decrease in enzymes? - ANSWERS-
Small intestine
What are the name of the atrioventricular (AV) nodes and
their perspective sides? - ANSWERS-Tricuspid: Right
Mitral/Bicuspid: Left
,What is isovolumetric contraction? - ANSWERS-End of
diastole around 120ml causing tricuspid or mitral valve to
close
How many pulmonary arteries are there vs veins? -
ANSWERS-- 2 pulmonary arteries
- 4 pulmonary veins
What two arteries in the body carry deoxygenated blood? -
ANSWERS-- Pulmonary arteries
- Umbilical arteries
What vessels are blown open during mid-systole? -
ANSWERS-pulmonic or aortic semilunar valves
What two veins carry oxygenated blood? - ANSWERS--
Pulmonary veins
- Umbilical vein
What does the Bohr effect do? - ANSWERS-Binds 4 oxygen
molecules to form hemoglobin
, What is the pathway of blood through the heart? -
ANSWERS-The pathway of blood through the heart is:
- superior vena cava,
- right atrium,
- tricuspid valve,
- right ventricle,
- lungs for oxygenation,
- pulmonary valve,
- left atrium,
- bicuspid valve,
- left ventricle,
- aortic valve,
- aorta.
Does depolarization happen before or after contraction? -
ANSWERS-Before
Where is the SA node (sinoatrial) located? - ANSWERS-Right
atrium
Do both atrium contract from SA node? - ANSWERS-True
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
Where is pancreatic amylase made? - ANSWERS-Small
intestine
Where is sucrase, lactase or maltase absorbed? - ANSWERS-
Small intestine
What converts pepsinogen to pepsin? - ANSWERS-HCl
(hydrochloric acid)
What gives rise to gastrin and what does it do? - ANSWERS--
Pyloric glands make gastric cells which makes gastrin
- Gastrin increases gastric secretions, motility, and mucous
,What makes mucous in the stomach? - ANSWERS-mucous
neck cells aka cardiac gastric cells
Where is intrinsic factor or B12 absorbed? - ANSWERS-
Terminal ileum/Distal Ileum
What inhibits the action of gastrin in the stomach? -
ANSWERS-CCK
Where does protein digestion begin? - ANSWERS-stomach
Where are lieberkuhn glands located? - ANSWERS-Small
intestine
What type of diet has a decrease in enzymes? - ANSWERS-
Small intestine
What are the name of the atrioventricular (AV) nodes and
their perspective sides? - ANSWERS-Tricuspid: Right
Mitral/Bicuspid: Left
,What is isovolumetric contraction? - ANSWERS-End of
diastole around 120ml causing tricuspid or mitral valve to
close
How many pulmonary arteries are there vs veins? -
ANSWERS-- 2 pulmonary arteries
- 4 pulmonary veins
What two arteries in the body carry deoxygenated blood? -
ANSWERS-- Pulmonary arteries
- Umbilical arteries
What vessels are blown open during mid-systole? -
ANSWERS-pulmonic or aortic semilunar valves
What two veins carry oxygenated blood? - ANSWERS--
Pulmonary veins
- Umbilical vein
What does the Bohr effect do? - ANSWERS-Binds 4 oxygen
molecules to form hemoglobin
, What is the pathway of blood through the heart? -
ANSWERS-The pathway of blood through the heart is:
- superior vena cava,
- right atrium,
- tricuspid valve,
- right ventricle,
- lungs for oxygenation,
- pulmonary valve,
- left atrium,
- bicuspid valve,
- left ventricle,
- aortic valve,
- aorta.
Does depolarization happen before or after contraction? -
ANSWERS-Before
Where is the SA node (sinoatrial) located? - ANSWERS-Right
atrium
Do both atrium contract from SA node? - ANSWERS-True
