#1
Which of the following is NOT a function of the kidneys?
Regulation of blood pressure
Production of red blood cells
Regulation of electrolyte balance
Conversion of glucose to glycogen
#2
Which substance is primarily responsible for maintaining the osmotic pressure of blood?
Sodium ions (Na+)
Potassium ions (K+)
Albumin
Urea
#3
What is the primary function of the loop of Henle in the nephron?
Reabsorption of water and ions
Filtration of blood plasma
Secretion of waste products
Modification of urine concentration
#4
Which hormone is responsible for stimulating the production of red blood cells in response to low oxygen levels?
Erythropoietin
Insulin
Cortisol
Thyroxine
#5
Which of the following substances is NOT normally found in urine?
Urea
Glucose
Creatinine
Sodium
#6
Which of the following is a function of the Bowman's capsule in the nephron?
Filtration of blood plasma
Reabsorption of water and ions
Secretion of waste products
Modification of urine concentration
#7
What is the function of the glomerulus in the nephron?
Reabsorption of water and ions
Filtration of blood plasma
Secretion of waste products
Modification of urine concentration
#8
Which hormone is responsible for stimulating the reabsorption of water in the kidneys?
Antidiuretic hormone (ADH)
Aldosterone
Renin
Atrial natriuretic peptide (ANP)
#9
Which of the following is a characteristic of acute kidney injury (AKI)?
Gradual loss of kidney function over months or years
Permanent kidney damage with a gradual decline in function
Sudden decrease in kidney function within hours to days
Intermittent episodes of kidney failure
#10
Which of the following is NOT a common complication of chronic kidney disease (CKD)?
Hypertension
Anemia
Hyperkalemia
Hypoglycemia
#11
What is the main function of the proximal convoluted tubule in the nephron?
Secretion of waste products
Filtration of blood plasma
Reabsorption of water, ions, and nutrients
Modification of urine concentration
#12
Which of the following is NOT a risk factor for developing chronic kidney disease?
High blood pressure
Obesity
Regular exercise
Diabetes mellitus
#13
What is the role of the juxtaglomerular apparatus in the kidney?
Secretion of erythropoietin
Regulation of blood pressure and filtration rate
Reabsorption of water and ions
Modification of urine concentration
#14
Which of the following is a function of the collecting duct in the nephron?
Filtration of blood plasma
Reabsorption of water and ions
Secretion of waste products
Modification of urine concentration
#15
Which of the following hormones stimulates the release of aldosterone from the adrenal cortex?
Aldosterone
Renin
Angiotensin II
Atrial natriuretic peptide (ANP)
#16
What is the primary function of the distal convoluted tubule in the nephron?
Reabsorption of water and ions
Filtration of blood plasma
Secretion of waste products
Modification of urine concentration
#17
In hemodialysis, what is the purpose of the dialyzer?
To remove excess glucose from the blood
To filter and remove waste products from the blood
To regulate electrolyte balance
To replenish red blood cells
#18
What is the primary purpose of peritoneal dialysis?
To filter blood using an external machine
To remove waste and excess fluid from the body using the peritoneum
To regulate blood pressure
To transplant a healthy kidney into the body
#19
Which of the following is a potential complication of hemodialysis?
Hyperkalemia
Hypotension
Hyponatremia
Hypocalcemia
#20
What is the primary function of the renal medulla?
Production of urine
Reabsorption of water and ions
Filtration of blood plasma
Modification of urine concentration
#21
Which of the following is a common complication of peritoneal dialysis?
Peritonitis
Hyperkalemia
Hypotension
Hypocalcemia
#22
What is the primary mechanism by which the kidneys regulate blood pressure?
Reabsorption of water and ions
Secretion of renin
Formation of angiotensin II
Filtration of blood plasma
#23
Which of the following is a potential complication of peritoneal dialysis?
Hypertension
Hypernatremia
Peritonitis
Hypokalemia
#24
Which of the following substances is primarily responsible for the acidic pH of urine?
Urea
Creatinine
Ammonia
Sodium
#25
In peritoneal dialysis, what is the purpose of the peritoneal membrane?
To remove waste and excess fluid from the body
To regulate electrolyte balance
To filter blood using an external machine
To secrete hormones for blood pressure regulation