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WorksheetsMedical Quiz on Cardiology and GIT
Total questions: 20
Worksheet time: 10mins
What is the Wenckebach phenomenon also known as?
First degree heart block
Second degree Mobitz Type II
Second degree Mobitz Type I
Third degree heart block
In Wenckebach phenomenon, there is progressive...
Shortening of PR interval
Lengthening of PR interval until a beat is dropped
Equal PR intervals
Irregular QRS complexes
Which of the following is a Starling force?
Capillary hydrostatic pressure
Venous compliance
Peripheral resistance
Blood viscosity
Capillary oncotic pressure is mainly maintained by?
Fibrinogen
Globulins
Albumin
Water
Increased interstitial oncotic pressure leads to?
Reduced filtration
Increased reabsorption
Edema
No change
Which Starling force opposes filtration from capillary to interstitium?
Capillary hydrostatic pressure
Interstitial hydrostatic pressure
Capillary oncotic pressure
Interstitial oncotic pressure
Which law relates viscosity to blood flow?
Poiseuille's law
Laplace law
Starling’s law
Boyle’s law
Blood flow is inversely proportional to?
Pressure gradient
Radius of vessel
Blood viscosity
Cardiac output
An increase in hematocrit will have what effect on blood viscosity?
Decrease it
No change
Slight decrease
Increase it
Which part of the GIT has parasympathetic innervation via vagus nerve?
Colon only
Entire GIT
Up to splenic flexure
Stomach and duodenum only
Sympathetic stimulation to GIT causes?
Increased motility
Increased secretions
Decreased motility and secretions
No effect
Which is not a phase of gastric secretion?
Cephalic
Gastric
Intestinal
Pyloric
Which hormone increases gastric secretion?
Secretin
CCK
Gastrin
Somatostatin
Which substance decreases gastric acid secretion?
Histamine
Gastrin
Somatostatin
Acetylcholine
Which enzyme is responsible for protein digestion in stomach?
Pepsin
Trypsin
Amylase
Lipase
The cephalic phase of gastric secretion is stimulated by?
Food in stomach
Thought or sight of food
Fatty acids in intestine
Acid in duodenum
Which is the main constituent responsible for acidic pH of gastric juice?
Pepsin
Hydrochloric acid
Mucus
Intrinsic factor
Function of intrinsic factor in gastric juice?
Digests protein
Neutralizes acid
Absorbs iron
Helps absorb vitamin B12
Saliva secretion is mainly under control of?
Sympathetic nerves
Parasympathetic nerves
Hormones
Intrinsic nervous system
Main function of bicarbonate in saliva is to?
Digest protein
Maintain pH
Enhance absorption
Stimulate acid secretion
