BIOS 252 Final Exam final (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which division of the nervous system controls voluntary
movement?
A. Autonomic
B. Somatic
C. Sympathetic
D. Parasympathetic
Correct Answer: B
Rationale: The somatic nervous system controls voluntary skeletal
muscle movement.
2. Which structure separates the thoracic and abdominal cavities?
A. Pleura
B. Peritoneum
C. Diaphragm
D. Mediastinum
Correct Answer: C
Rationale: The diaphragm is a muscular partition aiding in
respiration.
,3. Which blood cells are responsible for clot formation?
A. Leukocytes
B. Erythrocytes
C. Platelets
D. Plasma cells
Correct Answer: C
Rationale: Platelets aggregate to form clots and prevent bleeding.
4. Which part of the brain is responsible for memory?
A. Medulla
B. Cerebellum
C. Hippocampus
D. Thalamus
Correct Answer: C
Rationale: The hippocampus plays a key role in memory formation.
5. Which type of epithelial tissue allows diffusion?
A. Stratified squamous
B. Simple squamous
C. Cuboidal
D. Columnar
Correct Answer: B
Rationale: Simple squamous epithelium is thin for diffusion.
6. Which organelle modifies and packages proteins?
,A. Ribosome
B. Endoplasmic reticulum
C. Golgi apparatus
D. Lysosome
Correct Answer: C
Rationale: The Golgi apparatus processes and packages proteins.
7. Which structure in the heart prevents backflow into ventricles?
A. Semilunar valves
B. Atrioventricular valves
C. Septum
D. Chordae tendineae
Correct Answer: B
Rationale: AV valves prevent blood from flowing back into atria.
8. Which hormone is responsible for water reabsorption in
kidneys?
A. Aldosterone
B. ADH
C. Insulin
D. Glucagon
Correct Answer: B
Rationale: ADH increases water reabsorption in nephrons.
9. Which organ produces bile salts?
, A. Gallbladder
B. Liver
C. Pancreas
D. Intestine
Correct Answer: B
Rationale: The liver synthesizes bile salts for fat digestion.
10. Which type of immunity involves antibodies produced by the
body?
A. Passive
B. Active
C. Innate
D. Artificial
Correct Answer: B
Rationale: Active immunity results from antibody production.
11. Which part of the nephron is responsible for reabsorption?
A. Glomerulus
B. Bowman’s capsule
C. Tubules
D. Ureter
Correct Answer: C
Rationale: Tubules reabsorb useful substances.
12. Which electrolyte is key for nerve impulse transmission?
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which division of the nervous system controls voluntary
movement?
A. Autonomic
B. Somatic
C. Sympathetic
D. Parasympathetic
Correct Answer: B
Rationale: The somatic nervous system controls voluntary skeletal
muscle movement.
2. Which structure separates the thoracic and abdominal cavities?
A. Pleura
B. Peritoneum
C. Diaphragm
D. Mediastinum
Correct Answer: C
Rationale: The diaphragm is a muscular partition aiding in
respiration.
,3. Which blood cells are responsible for clot formation?
A. Leukocytes
B. Erythrocytes
C. Platelets
D. Plasma cells
Correct Answer: C
Rationale: Platelets aggregate to form clots and prevent bleeding.
4. Which part of the brain is responsible for memory?
A. Medulla
B. Cerebellum
C. Hippocampus
D. Thalamus
Correct Answer: C
Rationale: The hippocampus plays a key role in memory formation.
5. Which type of epithelial tissue allows diffusion?
A. Stratified squamous
B. Simple squamous
C. Cuboidal
D. Columnar
Correct Answer: B
Rationale: Simple squamous epithelium is thin for diffusion.
6. Which organelle modifies and packages proteins?
,A. Ribosome
B. Endoplasmic reticulum
C. Golgi apparatus
D. Lysosome
Correct Answer: C
Rationale: The Golgi apparatus processes and packages proteins.
7. Which structure in the heart prevents backflow into ventricles?
A. Semilunar valves
B. Atrioventricular valves
C. Septum
D. Chordae tendineae
Correct Answer: B
Rationale: AV valves prevent blood from flowing back into atria.
8. Which hormone is responsible for water reabsorption in
kidneys?
A. Aldosterone
B. ADH
C. Insulin
D. Glucagon
Correct Answer: B
Rationale: ADH increases water reabsorption in nephrons.
9. Which organ produces bile salts?
, A. Gallbladder
B. Liver
C. Pancreas
D. Intestine
Correct Answer: B
Rationale: The liver synthesizes bile salts for fat digestion.
10. Which type of immunity involves antibodies produced by the
body?
A. Passive
B. Active
C. Innate
D. Artificial
Correct Answer: B
Rationale: Active immunity results from antibody production.
11. Which part of the nephron is responsible for reabsorption?
A. Glomerulus
B. Bowman’s capsule
C. Tubules
D. Ureter
Correct Answer: C
Rationale: Tubules reabsorb useful substances.
12. Which electrolyte is key for nerve impulse transmission?
