Page 1 of 1: MCQ "4"

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Question 1. SALIVARY GLANDS

(a) secrete a watery solution which contains amylase and lysozyme.
True False

(b) the submandibular glands have a mixed population of serous and mucous cells.
True False

(c) the parotid glands are composed of mucous-secreting cells.
True False

(d) contain striated ducts which are lined by ion-pumping cells.
True False

(e) are found on the inner surface of the lips and in the submucosa of the dorsal tongue
True False

Question 2. THE BLOOD ENTERING THE LIVER THROUGH THE HEPATIC PORTAL VEIN

(a) is highly oxygenated
True False

(b) contains material absorbed from food in the small ntestine
True False

(c) contains hemoglobin breakdown products from the spleen
True False

(d) enters the hepatic sinusoids
True False

(e) contains formed bile for metabolic breakdown by hepatocytes
True False

Question 3. IN THE LOBULAR CONCEPT OF THE LIVER

(a) the terminal branch of the portal vein is at the centre of the lobule
True False

(b) the portal tracts are located at the periphery of the lobule
True False

(c) blood passes from the periphery to the center of the lobule
True False

(d) bile passes from the hepatocytes to the center of the lobule
True False

(e) the hepatocytes of the limiting plate are at the periphery of the lobule
True False

Question 4. BILE

(a) is a product of hemoglobin breakdown in the liver
True False

(b) is stored and concentrated in the gall bladder
True False

(c) accumulates in the liver and blood when the common bile duct is blocked
True False

(d) passes into the duodenum at the duodenal papilla (ampulla of Vater)
True False

(e) is acidic and augments the effects of gastric acid in digestion
True False

Question 5. HEPATOCYTES

(a) are rich in peroxisomes
True False

(b) have a canalicular surface which is involved in bile secretion
True False

(c) are separated from the sinusoid endothelium by the space of Disse
True False

(d) contain glycogen
True False

(e) rest on a reticulin scaffold
True False

Question 6. OSTEOCLASTS

(a) are derived from osteoprogenitor cells
True False

(b) erode bone
True False

(c) are stimulated by parathyroid hormone
True False

(d) are stimulated by calcitonin
True False

(e) are rich in alkaline phosphatase
True False

Question 7. SKELETAL MUSCLE

(a) develops from primitive rhabdomyoblasts
True False

(b) contains type 1 fast-twitch fibers
True False

(c) contains satellite cells which are phagocytic
True False

(d) contains stretch receptors called muscle spindles
True False

(e) contains motor nerve twigs which terminate in motor end plates
True False

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