BIOL 215
Human Anatomy & Physiology II
Midterm Exam Review (Qns & Ans)
2025
1. Which of the following structures is responsible for the
production of cerebrospinal fluid (CSF)?
- A. Hypothalamus
- B. Choroid plexus
- C. Pineal gland
- D. Pituitary gland
- ANS: B
©2024/2025
, - Rationale: The choroid plexus, located in the ventricles of
the brain, is responsible for producing cerebrospinal fluid.
2. What is the primary function of the loop of Henle in the
nephron?
- A. Filtration of blood
- B. Reabsorption of water and ions
- C. Secretion of waste products
- D. Production of erythropoietin
- ANS: B
- Rationale: The loop of Henle plays a crucial role in the
reabsorption of water and ions, which helps concentrate urine.
3. Which hormone is primarily responsible for regulating the
body's circadian rhythm?
- A. Melatonin
- B. Cortisol
- C. Insulin
- D. Thyroxine
- ANS: A
- Rationale: Melatonin, produced by the pineal gland,
regulates the body's circadian rhythm and sleep-wake cycles.
©2024/2025
, Fill-in-the-Blank Questions
4. The process by which oxygen and carbon dioxide are
exchanged between the alveoli and the blood is called
__________.
- ANS: Gas exchange
- Rationale: Gas exchange occurs in the alveoli, where
oxygen diffuses into the blood and carbon dioxide diffuses out.
5. The __________ is the part of the brain responsible for
coordinating voluntary movements and maintaining balance.
- ANS: Cerebellum
- Rationale: The cerebellum coordinates voluntary
movements and helps maintain balance and posture.
6. __________ are the primary cells involved in the immune
response and are produced in the bone marrow.
- ANS: Lymphocytes
- Rationale: Lymphocytes, including B cells and T cells, are
key players in the immune response and are produced in the bone
marrow.
True/False Questions
©2024/2025
Human Anatomy & Physiology II
Midterm Exam Review (Qns & Ans)
2025
1. Which of the following structures is responsible for the
production of cerebrospinal fluid (CSF)?
- A. Hypothalamus
- B. Choroid plexus
- C. Pineal gland
- D. Pituitary gland
- ANS: B
©2024/2025
, - Rationale: The choroid plexus, located in the ventricles of
the brain, is responsible for producing cerebrospinal fluid.
2. What is the primary function of the loop of Henle in the
nephron?
- A. Filtration of blood
- B. Reabsorption of water and ions
- C. Secretion of waste products
- D. Production of erythropoietin
- ANS: B
- Rationale: The loop of Henle plays a crucial role in the
reabsorption of water and ions, which helps concentrate urine.
3. Which hormone is primarily responsible for regulating the
body's circadian rhythm?
- A. Melatonin
- B. Cortisol
- C. Insulin
- D. Thyroxine
- ANS: A
- Rationale: Melatonin, produced by the pineal gland,
regulates the body's circadian rhythm and sleep-wake cycles.
©2024/2025
, Fill-in-the-Blank Questions
4. The process by which oxygen and carbon dioxide are
exchanged between the alveoli and the blood is called
__________.
- ANS: Gas exchange
- Rationale: Gas exchange occurs in the alveoli, where
oxygen diffuses into the blood and carbon dioxide diffuses out.
5. The __________ is the part of the brain responsible for
coordinating voluntary movements and maintaining balance.
- ANS: Cerebellum
- Rationale: The cerebellum coordinates voluntary
movements and helps maintain balance and posture.
6. __________ are the primary cells involved in the immune
response and are produced in the bone marrow.
- ANS: Lymphocytes
- Rationale: Lymphocytes, including B cells and T cells, are
key players in the immune response and are produced in the bone
marrow.
True/False Questions
©2024/2025
