#1
Which of the following is a primary function of the kidneys?
Filtration of blood
ExplanationRemoves waste products and excess substances from the bloodstream.
#2
What is the main component of urine?
Urea
ExplanationMajor nitrogenous waste product excreted by the kidneys.
#3
Which of the following is a symptom of anemia?
Pale skin
ExplanationResult of decreased oxygen-carrying capacity of blood due to low red blood cell count.
#4
What is the role of erythropoietin in the body?
Red blood cell production
ExplanationStimulates bone marrow to produce red blood cells.
#5
What is the primary function of the glomerulus in the kidney?
Blood filtration
ExplanationInitial filtration of blood to form urine.
#6
Which hormone regulates the balance of water and electrolytes in the body?
Antidiuretic hormone (ADH)
ExplanationControls water reabsorption in the kidneys.
#7
Which enzyme is released by the kidneys to regulate blood pressure?
Renin
ExplanationInitiates the renin-angiotensin-aldosterone system to regulate blood pressure.
#8
What is the term for the process by which blood is filtered through the glomerulus into the renal tubules?
Filtration
ExplanationFirst step in urine formation where blood components are separated.
#9
What is the medical term for the formation of kidney stones?
Nephrolithiasis
ExplanationPresence of solid crystals in the urinary tract.
#10
Which condition is characterized by the formation of kidney stones?
Nephrolithiasis
ExplanationFormation of solid crystals in the kidneys.
#11
In which part of the kidney are the renal pyramids located?
Renal medulla
ExplanationInner portion of the kidney containing renal pyramids.
#12
Which blood cell type is primarily responsible for oxygen transport in the bloodstream?
Red blood cells
ExplanationContains hemoglobin which binds oxygen for transport.
#13
What is a common symptom of polycystic kidney disease?
Hypertension
ExplanationHigh blood pressure due to cysts affecting kidney function.
#14
Which type of anemia is caused by a deficiency of vitamin B12?
Pernicious anemia
ExplanationResult of impaired red blood cell production due to lack of vitamin B12.
#15
What is the primary function of the hormone erythropoietin?
Stimulation of red blood cell production
ExplanationInduces the production of red blood cells in response to low oxygen levels.
#16
Which blood disorder is characterized by a reduced number of platelets?
Thrombocytopenia
ExplanationLow platelet count leading to impaired blood clotting.