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Human Digestive and Urinary System

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Questions and Answers

What is the primary function of the liver in the process of nutrient metabolism?

To absorb digested food molecules into the capillaries
To monitor and metabolize the blood components (correct)
To store nutrients in the hepatic portal veins
To regulate the composition of the gastrointestinal tract

What happens to the quantity of solutes or water in the plasma when there is a positive balance?

The quantity decreases
The quantity increases (correct)
The quantity is eliminated from the plasma
The quantity remains the same

Which of the following is NOT a factor that affects plasma composition?

Exchange between different compartments of the body
Kidneys regulating solute and water content
Liver function
Neurotransmission (correct)

What is the purpose of the hepatic portal veins in the process of nutrient metabolism?

To deliver digested food molecules to the liver (D) Signup and view all the answers

What is the term for the state in which the body's internal environment is maintained within a narrow range of values?

Homeostasis (A) Signup and view all the answers

What is the correct equation that illustrates the concept of balance?

Input + production = utilization + output (A) Signup and view all the answers

Which of the following is NOT a function regulated by the kidneys?

Regulation of plasma protein concentration (C) Signup and view all the answers

What is the term for the urine that leaves the glomerulus and enters the renal tubules?

Primary urine (B) Signup and view all the answers

What is the function of the renal tubules in the nephron?

Reabsorbing necessary components and secreting waste (C) Signup and view all the answers

What is the term for the functional unit of the renal process?

Nephron (C) Signup and view all the answers

What is the function of the glomerular capsule (Bowman’s capsule)?

Managing the inflow of filtrate to the renal tubules (C) Signup and view all the answers

What is the term for the capillary network where filtration occurs in the nephron?

Glomerulus (D) Signup and view all the answers

What is the primary mechanism by which the urinary system regulates blood pressure?

By altering the volume of water lost in urine (A) Signup and view all the answers

What is the role of the adrenal glands in the urinary system?

To regulate kidney function and secrete hormones such as epinephrine (A) Signup and view all the answers

What is the primary function of the urinary system in nutrient metabolism?

To conserve valuable nutrients such as glucose (A) Signup and view all the answers

What is the role of the urinary system in maintaining blood pH?

By eliminating hydrogen ions and bicarbonate ions in urine (C) Signup and view all the answers

What is the primary function of the ureters in the urinary system?

To transport urine from the kidneys to the bladder (C) Signup and view all the answers

How does the urinary system regulate plasma ion concentration?

By controlling the amounts of sodium, potassium, and chloride ions lost in urine (C) Signup and view all the answers

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