Best ATI Anatomy & Physiology Exam 2
2025
Best ATI Anatomy & Physiology Exam 2 2025 Actual Questions And
Correct Detailed answers
,1.Which of the following structures is primarily responsible for the production of
cerebrospinal fluid(CSF)?
A)Pineal gland
B) Choroid plexus
C)Thalamus
D)Hypothalamus
Answer: B) Choroid plexus
Rationale: The choroid plexus, located in the ventricles of the brain, is responsible for the
productionof cerebrospinal fluid (CSF).
2.The primary function of red blood cells is to:
A)Fight infection
B) Carry oxygen
C)Produce hormones
D) Aid in clotting
Answer: B) Carry oxygen
Rationale: Red blood cells (erythrocytes) contain hemoglobin, which binds to oxygen and carries
it throughout the body.
3.Which of the following is a function of the large intestine?
A)Absorption of nutrients
B) Production of bile
C) Absorption of water and electrolytes
D) Detoxification of harmful substances
Answer:C) Absorption of water and electrolytes
Rationale: The large intestine absorbs water, electrolytes, and some vitamins. It also plays a role in the
formation and excretion of feces.
4.Which part of the brain controls vital functions such as heart rate and
respiration?
A)Cerebrum
B)Cerebellum
, C)Medulla oblongata
D)Pons
Answer:C)Medulla oblongata
Rationale: The medulla oblongata controls autonomic functions like heart rate, breathing, and blood
pressure.
5.The hormone insulin is produced by which of the following cells?
A) Alpha cells of the pancreas
B) Beta cells of the pancreas
C)Parathyroid glands
D)Adrenal glands
Answer: B) Beta cells of the pancreas
Rationale: Insulin is produced and secreted by the beta cells in the pancreas to regulate blood sugar
levels.
6.The functional unit of the kidney is called the:
A)Nephron
B)Glomerulus
C) Renal pelvis
D) Ureter
Answer: A) Nephron
Rationale: The nephron is the functional unit of the kidney, responsible for filtering
blood,reabsorbing water and solutes, and excreting waste.
7.Which of the following blood vessels carries deoxygenated blood from the body to the
heart?
A)Pulmonary artery
B)Pulmonary vein
C) Inferior vena cava
D)Aorta
Answer: C) Inferior vena cava
Rationale: The inferior vena cava carries deoxygenated blood from the lower body back to the right
atrium of the heart.
2025
Best ATI Anatomy & Physiology Exam 2 2025 Actual Questions And
Correct Detailed answers
,1.Which of the following structures is primarily responsible for the production of
cerebrospinal fluid(CSF)?
A)Pineal gland
B) Choroid plexus
C)Thalamus
D)Hypothalamus
Answer: B) Choroid plexus
Rationale: The choroid plexus, located in the ventricles of the brain, is responsible for the
productionof cerebrospinal fluid (CSF).
2.The primary function of red blood cells is to:
A)Fight infection
B) Carry oxygen
C)Produce hormones
D) Aid in clotting
Answer: B) Carry oxygen
Rationale: Red blood cells (erythrocytes) contain hemoglobin, which binds to oxygen and carries
it throughout the body.
3.Which of the following is a function of the large intestine?
A)Absorption of nutrients
B) Production of bile
C) Absorption of water and electrolytes
D) Detoxification of harmful substances
Answer:C) Absorption of water and electrolytes
Rationale: The large intestine absorbs water, electrolytes, and some vitamins. It also plays a role in the
formation and excretion of feces.
4.Which part of the brain controls vital functions such as heart rate and
respiration?
A)Cerebrum
B)Cerebellum
, C)Medulla oblongata
D)Pons
Answer:C)Medulla oblongata
Rationale: The medulla oblongata controls autonomic functions like heart rate, breathing, and blood
pressure.
5.The hormone insulin is produced by which of the following cells?
A) Alpha cells of the pancreas
B) Beta cells of the pancreas
C)Parathyroid glands
D)Adrenal glands
Answer: B) Beta cells of the pancreas
Rationale: Insulin is produced and secreted by the beta cells in the pancreas to regulate blood sugar
levels.
6.The functional unit of the kidney is called the:
A)Nephron
B)Glomerulus
C) Renal pelvis
D) Ureter
Answer: A) Nephron
Rationale: The nephron is the functional unit of the kidney, responsible for filtering
blood,reabsorbing water and solutes, and excreting waste.
7.Which of the following blood vessels carries deoxygenated blood from the body to the
heart?
A)Pulmonary artery
B)Pulmonary vein
C) Inferior vena cava
D)Aorta
Answer: C) Inferior vena cava
Rationale: The inferior vena cava carries deoxygenated blood from the lower body back to the right
atrium of the heart.
