Gastrointestinal System
What is unusual about the blood supply to the liver?
The pressure in the liver capillaries is higher (about 55 mmHg) than is usual for other capillaries.
Arterial and venous blood mix in the sinusoid capillaries.
Liver capillary beds are drained by an arteriole not a venule.
The osmolarity of blood in the liver lobules can reach 1200 mosmol/l.
Arterial and venous blood mix in the sinusoid capillaries.
Blood from the hepatic artery and the hepatic portal vein mix before returning to the heart via the hepatic vein. Choice A is true of the glomerular capillaries of the kidney, while choice D occurs in the vasa recta of the kidney medulla.
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Which statement best describes the process of glycogenesis?A. The digestion of glycogen in the diet
B. The conversion of fat into glycogen in muscle tissue
C. The conversion of glucose into glycogen in the liver
D. The conversion of glycogen into glucose in muscle tissue
What is the process in the digestion of food molecules that produces their monomers called?
A. Polymerisation
B. Hydrolysis
C. Isomerisation
D. Deamination
What are the end-products of carbohydrate digestion?
A. Monosaccharides
B. Disaccharides
C. Glucose
D. Risaccharides
What the products of hydrolysis of lipids?
A. Monosaccharides
B. Chylomicrons
C. Amino acids and small peptides
D. Free fatty acids and monoglycerols
What is a function of the SMALL intestine? To:
A. Temporarily store ingested food
B. Absorb the products of digestion
C. Participate in mechanical digestion
D. Secrete hydrochloric acid
Which enzyme below digests proteins?
A. Nuclease
B. Maltase
C. Carboxypeptidase
D. Transaminase
Which layer of the alimentary canal is responsible for absorbing the products of digestion?
A. Muscularis interna
B. Mucosa
C. Serosa
D. Submucosa
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