Which of the following removes bacteria and other particulate matter?
A. Intestinal lymphatics
B. Reticuloendothelial cells
C. Splanchnic circulation
D. Liver correct answers B
What is the usual stimulation for intestinal peristalsis?
A. Distention of the gut
B. Parasympathetic nervous sig...
BMEX3-Physio-LQ || with 100% Correct Answers.
Which of the following removes bacteria and other particulate matter?
A. Intestinal lymphatics
B. Reticuloendothelial cells
C. Splanchnic circulation
D. Liver correct answers B
What is the usual stimulation for intestinal peristalsis?
A. Distention of the gut
B. Parasympathetic nervous signals
C. Chemical irritation of the epithelial lining
D. Physical irritation of the epithelial lining correct answers A
What is the function of the gastrocolic reflex?
A. Inhibit emptying of ileal contents into the colon
B. Cause evacuation of the colon
C. Cause evacuation of the stomach
D. Inhibit stomach motility and stomach secretion correct answers B
Which of these reflexes arises from the gut, reaches the spinal cord or brainstem and then travels
back to the GI tract?
A. Colonileal reflex
B. Gastrocolic reflex
C. Myenteric reflex
D. Defecation reflex correct answers D
What are the two components of the "law of the gut"?
A. Peristaltic reflex and its anal direction of movement
B. Myenteric and submucosal plexuses
C. Formation of the contractile ring and receptive relaxation
D. Peristalsis and mixing movements correct answers A
Which of the following hormones is correctly paired with its action?
A. Gastrin - pancreatic enzyme secretion
B. Motilin - gastric acid secretion
C. Cholecystokinin - mucosal growth
D. Gastric inhibitory peptide - insulin release correct answers D
This ensures that all the blood from the gut flows immediately into the liver by way of the portal
vein
A. Countercurrent blood flow
B. Splanchnic circulation
C. Sympathetic stimulation
D. Kallidin and bradykinin correct answers B
,Which of the following is true about the Auerbach's plexus but not about the Meissner's plexus?
A. Extends the entire length of the GI tract
B. Entirely independent from autonomic control
C. Controls local intestinal contraction and secretion
D. Considered entirely excitatory correct answers A
Hero is a 21-year-old young man. He decided not to eat an apple for lunch which he
subsequently did. Which of the following cells does NOT absorb Hero's snack and store 1/3-3/4
of the nutrients?
A. Principal parenchymal cells of the liver
B. Parietal cells
C. Reticuloendothelial cells
D. Hepatic cells correct answers B
Which phase of acid secretion is stimulated by taste and smell of food?
A. Gastric phase
B. Intestinal phase
C. Esophageal phase
D. Cephalic phase correct answers D
Which of the following substances must be further digested before it can be absorbed by specific
carriers in intestinal cells?
A. Galactose
B. Alanine
C. Sucrose
D. Dipeptides correct answers C
Micelle formation is necessary for the intestinal absorption of
A. glycerol
B. bile acids
C. vitamin D
D. glucose correct answers C
Water and electrolyte absorption mostly occurs in the
A. ascending colon
B. descending colon
C. sigmoid
D. rectum correct answers A
Which of the following intestinal hormone increases pancreatic secretions?
A. Secretin
B. Bradykinin
C. Somatostatin
D. Glucagon correct answers A
,When a person has jaundice due to an obstruction at the common bile duct, which of the
following would be the lab result?
A. Decreased serum conjugated bilirubin
B. Present urine bilirubin
C. Increased serum unconjugated bilirubin
D. Absent urine bilirubin correct answers B
Majority of the solid component of feces consists of
A. sloughed epithelial cells
B. undigested roughage from food
C. fat and bile pigments
D. inorganic matter correct answers B
Which of the following processes is common to the enzymatic digestion of carbohydrates,
proteins, and fats?
A. Hydroxylation
B. Emulsification
C. Hydrolysis
D. Condensation correct answers C
Which of the following site can unconjugated bilirubin occur?
A. Plasma
B. Enterohepatic circulation
C. Reticuloendothelial cells
D. Plasma and enterohepatic circulation correct answers A
In the production of aldosterone, the rate-limiting step is
A. the activity of angiotensin-converting enzyme
B. the production of angiotensinogen
C. the production of angiotensin I
D. the responsiveness of the adrenal gland to angiotensin correct answers C
Which of the following is NOT subject to physiological control on a moment-to-moment basis?
A. Filtration coefficient
B. Selectivity of the filtration barrier
C. Resistance of efferent arterioles
D. Hydrostatic pressure in glomerular capillaries correct answers D
Relative to the number of glomeruli, how many loops of Henle, and how many collecting ducts
are there?
A. Same number of loops of Henle; same number of collecting ducts
B. Same number of loops of Henle; fewer collecting ducts
C. Same number of loops of Henle; more collecting ducts
D. Fewer loops of Henle; fewer collecting ducts correct answers B
, In the face of a 20% decrease in arterial pressure, GFR decreases by only 2%. What could
account for this finding?
A. The resistances of the afferent and efferent arterioles both decrease equally
B. Afferent arteriolar resistance increases
C. Efferent arteriolar resistance increases
D. Glomerular mesangial cells contract correct answers C
GG, 35-year-old who had difficulty of breathing after witnessing her husband in the same
bedroom with another woman. She appeared anxious and tachypneic, all other physical
examination findings were within normal. The ER physician still requested ABG analysis, which
revealed: pH = 7.51; HCO3 = 25 mmol/L; PCO2 = 24 mm Hg; BE = 4.2 mmoles/L. What is the
correct interpretation of the ABG results?
A. Metabolic alkalosis with respiratory compensation
B. Respiratory alkalosis with metabolic compensation
C. Normal
D. Uncompensated respiratory alkalosis
E. Uncompensated metabolic alkalosis correct answers D
Which of the following indicates correct relative renal clearances?
A. Sodium clearance is greater than urea clearance
B. Urea clearance is greater than PAH clearance
C. PAH clearance is greater than inulin clearance
D. Creatinine clearance is greater than PAH clearance correct answers C
PAH > creatinine inulin > urea > sodium
Which of the following processes is a motor activity of the stomach?
a. Retropulsion
b. Haustration
c. Deglutition
d. Segmentation correct answers A
Which of the following inhibits emptying of ileal contents to the cecum?
a. increased ileal pressure
b. increased cecal pressure
c. ileal chemical irritation
d. increased fluidity of ileal correct answers B
At which segment of the colon would you expect chyme to be normally mushy?
a. Sigmoid
b. Transverse
c. Cecum
d. Ascending correct answers B
Which of the following specialized cells has a role in the absorption of vitamin B12 in the ileum?
A. Enterochromaffin-like (ECL) cells
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