BIOS 242 Week 4 Quiz Exam 4 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which is the main organ of the urinary system?
A. Heart
B. Kidney
C. Lung
D. Liver
Correct Answer: B
Rationale:Kidneys filter blood and produce urine.
2. What is the basic functional unit of the kidney?
A. Neuron
B. Nephron
C. Alveolus
D. Glomerulus
Correct Answer: B
Rationale:Nephrons carry out filtration and urine formation.
,3. Which part of the nephron filters blood?
A. Loop of Henle
B. Distal tubule
C. Glomerulus
D. Collecting duct
Correct Answer: C
Rationale:Filtration occurs in the glomerulus.
4. Which structure surrounds the glomerulus?
A. Loop of Henle
B. Bowman's capsule
C. Distal tubule
D. Collecting duct
Correct Answer: B
Rationale:Collects filtrate from blood.
5. Which process removes wastes from blood into nephron?
A. Reabsorption
B. Filtration
C. Secretion
D. Diffusion
Correct Answer: B
Rationale:Occurs at the glomerulus.
6. Which process returns useful substances to blood?
,A. Secretion
B. Reabsorption
C. Filtration
D. Excretion
Correct Answer: B
Rationale:Prevents loss of nutrients.
7. Which process adds substances to filtrate?
A. Reabsorption
B. Filtration
C. Secretion
D. Diffusion
Correct Answer: C
Rationale:Removes excess ions and wastes.
8. Which structure is responsible for concentrating urine?
A. Loop of Henle
B. Cortex
C. Capsule
D. Pelvis
Correct Answer: A
Rationale:Establishes osmotic gradient.
9. Which hormone increases water reabsorption in kidneys?
, A. ADH
B. ANP
C. Aldosterone
D. Renin
Correct Answer: A
Rationale:Reduces urine volume.
10. Which hormone decreases blood volume?
A. ADH
B. ANP
C. Aldosterone
D. Renin
Correct Answer: B
Rationale:Promotes sodium and water excretion.
11. Which hormone increases sodium reabsorption?
A. ADH
B. Aldosterone
C. ANP
D. Renin
Correct Answer: B
Rationale:Helps increase blood pressure.
12. Which system controls blood pressure through kidneys?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which is the main organ of the urinary system?
A. Heart
B. Kidney
C. Lung
D. Liver
Correct Answer: B
Rationale:Kidneys filter blood and produce urine.
2. What is the basic functional unit of the kidney?
A. Neuron
B. Nephron
C. Alveolus
D. Glomerulus
Correct Answer: B
Rationale:Nephrons carry out filtration and urine formation.
,3. Which part of the nephron filters blood?
A. Loop of Henle
B. Distal tubule
C. Glomerulus
D. Collecting duct
Correct Answer: C
Rationale:Filtration occurs in the glomerulus.
4. Which structure surrounds the glomerulus?
A. Loop of Henle
B. Bowman's capsule
C. Distal tubule
D. Collecting duct
Correct Answer: B
Rationale:Collects filtrate from blood.
5. Which process removes wastes from blood into nephron?
A. Reabsorption
B. Filtration
C. Secretion
D. Diffusion
Correct Answer: B
Rationale:Occurs at the glomerulus.
6. Which process returns useful substances to blood?
,A. Secretion
B. Reabsorption
C. Filtration
D. Excretion
Correct Answer: B
Rationale:Prevents loss of nutrients.
7. Which process adds substances to filtrate?
A. Reabsorption
B. Filtration
C. Secretion
D. Diffusion
Correct Answer: C
Rationale:Removes excess ions and wastes.
8. Which structure is responsible for concentrating urine?
A. Loop of Henle
B. Cortex
C. Capsule
D. Pelvis
Correct Answer: A
Rationale:Establishes osmotic gradient.
9. Which hormone increases water reabsorption in kidneys?
, A. ADH
B. ANP
C. Aldosterone
D. Renin
Correct Answer: A
Rationale:Reduces urine volume.
10. Which hormone decreases blood volume?
A. ADH
B. ANP
C. Aldosterone
D. Renin
Correct Answer: B
Rationale:Promotes sodium and water excretion.
11. Which hormone increases sodium reabsorption?
A. ADH
B. Aldosterone
C. ANP
D. Renin
Correct Answer: B
Rationale:Helps increase blood pressure.
12. Which system controls blood pressure through kidneys?
