Anatomy & Physiology Question Bank
1. Which cellular structure regulates the movement of substances into and out of the
cell while maintaining the cell's internal environment?
A. Plasma membrane
B. Nucleolus
C. Centrosome
D. Chromatin
Answer: A. Plasma membrane
2. A patient has difficulty identifying objects by touch despite having intact skin
sensation. Which brain region is most directly involved in interpreting and integrating
somatic sensory information?
A. Somatosensory association cortex
B. Primary visual cortex
C. Medulla oblongata
D. Hypothalamus
Answer: A. Somatosensory association cortex
3. Which formed element of blood is primarily responsible for initiating clot formation
by adhering to damaged blood vessels and aggregating?
A. Platelet
B. Erythrocyte
C. Lymphocyte
D. Eosinophil
Answer: A. Platelet
4. True or False: Cardiac muscle cells are connected by intercalated discs that help
coordinate electrical and mechanical activity.
Answer: True
5. Which hormone stimulates the kidneys to conserve sodium and helps regulate
extracellular fluid volume?
A. Aldosterone
B. Melatonin
C. Prolactin
D. Calcitonin
Answer: A. Aldosterone
,6. A patient has difficulty digesting proteins because pancreatic protease activity is
reduced. Which enzyme normally begins protein digestion in the stomach?
A. Pepsin
B. Maltase
C. Pancreatic lipase
D. Salivary amylase
Answer: A. Pepsin
7. Which type of connective tissue forms the flexible framework of the external ear?
A. Elastic cartilage
B. Fibrocartilage
C. Compact bone
D. Dense regular connective tissue
Answer: A. Elastic cartilage
8. Fill in the blank: The region of a long bone where the shaft meets the end of the
bone is called the ________.
Answer: Metaphysis
9. Which brain structure is especially important for coordinating autonomic
responses and regulating body temperature, hunger, and thirst?
A. Hypothalamus
B. Occipital lobe
C. Cerebellar hemisphere
D. Corpus callosum
Answer: A. Hypothalamus
10. A patient has reduced elastic recoil in the lungs due to destruction of alveolar
walls. Which respiratory condition is commonly associated with this change?
A. Emphysema
B. Acute tonsillitis
C. Otitis media
D. Appendicitis
Answer: A. Emphysema
11. Which structure in the eye controls the diameter of the pupil by adjusting its
smooth muscle?
A. Iris
B. Retina
,C. Cornea
D. Optic nerve
Answer: A. Iris
12. Which cells of the pancreatic islets release somatostatin, a hormone that inhibits
the secretion of several other hormones?
A. Delta cells
B. Alpha cells
C. Beta cells
D. Acinar cells
Answer: A. Delta cells
13. True or False: The aortic valve normally prevents blood from flowing back into the
left ventricle after ventricular contraction.
Answer: True
14. A patient has a torn meniscus in the knee. Which function is most likely
compromised?
A. Distribution of load and shock absorption within the knee joint
B. Production of synovial fluid by the liver
C. Attachment of skeletal muscle to skin
D. Formation of red blood cells
Answer: A. Distribution of load and shock absorption within the knee joint
15. Which transport mechanism uses a membrane protein to move a substance down
its concentration gradient without directly using ATP?
A. Facilitated diffusion
B. Primary active transport
C. Endocytosis
D. Exocytosis
Answer: A. Facilitated diffusion
16. Match each structure with its primary function.
1. Thyroid gland
2. Spleen
3. Adrenal medulla
4. Parathyroid glands
A. Secrete hormones that increase metabolic activity
B. Secrete catecholamines during sympathetic activation
, C. Help regulate blood calcium concentration
D. Filter blood and remove aged blood cells
Answer: 1–A, 2–D, 3–B, 4–C
17. Which protein in plasma transports iron through the bloodstream?
A. Transferrin
B. Fibrinogen
C. Albumin
D. Hemoglobin
Answer: A. Transferrin
18. A patient experiences vertigo after damage to the semicircular ducts. Which
sensory function is most directly affected?
A. Detection of rotational head movements
B. Detection of blood glucose concentration
C. Recognition of odors
D. Regulation of gastric acid secretion
Answer: A. Detection of rotational head movements
19. Which region of the nephron is particularly important for fine-tuning sodium and
potassium handling under hormonal control?
A. Distal convoluted tubule and connecting region
B. Bowman's capsule alone
C. Renal pelvis
D. Ureter
Answer: A. Distal convoluted tubule and connecting region
20. Which hormone promotes the development of male secondary sexual
characteristics and supports sperm production?
A. Testosterone
B. Oxytocin
C. Prolactin
D. Calcitonin
Answer: A. Testosterone
21. Which muscle is the primary extensor of the elbow joint?
A. Triceps brachii
B. Biceps brachii
C. Brachialis
D. Pronator teres
1. Which cellular structure regulates the movement of substances into and out of the
cell while maintaining the cell's internal environment?
A. Plasma membrane
B. Nucleolus
C. Centrosome
D. Chromatin
Answer: A. Plasma membrane
2. A patient has difficulty identifying objects by touch despite having intact skin
sensation. Which brain region is most directly involved in interpreting and integrating
somatic sensory information?
A. Somatosensory association cortex
B. Primary visual cortex
C. Medulla oblongata
D. Hypothalamus
Answer: A. Somatosensory association cortex
3. Which formed element of blood is primarily responsible for initiating clot formation
by adhering to damaged blood vessels and aggregating?
A. Platelet
B. Erythrocyte
C. Lymphocyte
D. Eosinophil
Answer: A. Platelet
4. True or False: Cardiac muscle cells are connected by intercalated discs that help
coordinate electrical and mechanical activity.
Answer: True
5. Which hormone stimulates the kidneys to conserve sodium and helps regulate
extracellular fluid volume?
A. Aldosterone
B. Melatonin
C. Prolactin
D. Calcitonin
Answer: A. Aldosterone
,6. A patient has difficulty digesting proteins because pancreatic protease activity is
reduced. Which enzyme normally begins protein digestion in the stomach?
A. Pepsin
B. Maltase
C. Pancreatic lipase
D. Salivary amylase
Answer: A. Pepsin
7. Which type of connective tissue forms the flexible framework of the external ear?
A. Elastic cartilage
B. Fibrocartilage
C. Compact bone
D. Dense regular connective tissue
Answer: A. Elastic cartilage
8. Fill in the blank: The region of a long bone where the shaft meets the end of the
bone is called the ________.
Answer: Metaphysis
9. Which brain structure is especially important for coordinating autonomic
responses and regulating body temperature, hunger, and thirst?
A. Hypothalamus
B. Occipital lobe
C. Cerebellar hemisphere
D. Corpus callosum
Answer: A. Hypothalamus
10. A patient has reduced elastic recoil in the lungs due to destruction of alveolar
walls. Which respiratory condition is commonly associated with this change?
A. Emphysema
B. Acute tonsillitis
C. Otitis media
D. Appendicitis
Answer: A. Emphysema
11. Which structure in the eye controls the diameter of the pupil by adjusting its
smooth muscle?
A. Iris
B. Retina
,C. Cornea
D. Optic nerve
Answer: A. Iris
12. Which cells of the pancreatic islets release somatostatin, a hormone that inhibits
the secretion of several other hormones?
A. Delta cells
B. Alpha cells
C. Beta cells
D. Acinar cells
Answer: A. Delta cells
13. True or False: The aortic valve normally prevents blood from flowing back into the
left ventricle after ventricular contraction.
Answer: True
14. A patient has a torn meniscus in the knee. Which function is most likely
compromised?
A. Distribution of load and shock absorption within the knee joint
B. Production of synovial fluid by the liver
C. Attachment of skeletal muscle to skin
D. Formation of red blood cells
Answer: A. Distribution of load and shock absorption within the knee joint
15. Which transport mechanism uses a membrane protein to move a substance down
its concentration gradient without directly using ATP?
A. Facilitated diffusion
B. Primary active transport
C. Endocytosis
D. Exocytosis
Answer: A. Facilitated diffusion
16. Match each structure with its primary function.
1. Thyroid gland
2. Spleen
3. Adrenal medulla
4. Parathyroid glands
A. Secrete hormones that increase metabolic activity
B. Secrete catecholamines during sympathetic activation
, C. Help regulate blood calcium concentration
D. Filter blood and remove aged blood cells
Answer: 1–A, 2–D, 3–B, 4–C
17. Which protein in plasma transports iron through the bloodstream?
A. Transferrin
B. Fibrinogen
C. Albumin
D. Hemoglobin
Answer: A. Transferrin
18. A patient experiences vertigo after damage to the semicircular ducts. Which
sensory function is most directly affected?
A. Detection of rotational head movements
B. Detection of blood glucose concentration
C. Recognition of odors
D. Regulation of gastric acid secretion
Answer: A. Detection of rotational head movements
19. Which region of the nephron is particularly important for fine-tuning sodium and
potassium handling under hormonal control?
A. Distal convoluted tubule and connecting region
B. Bowman's capsule alone
C. Renal pelvis
D. Ureter
Answer: A. Distal convoluted tubule and connecting region
20. Which hormone promotes the development of male secondary sexual
characteristics and supports sperm production?
A. Testosterone
B. Oxytocin
C. Prolactin
D. Calcitonin
Answer: A. Testosterone
21. Which muscle is the primary extensor of the elbow joint?
A. Triceps brachii
B. Biceps brachii
C. Brachialis
D. Pronator teres
