Medical Quiz on Cardiology and GIT

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