Lung volumes and capacities

Questions :

Define various static lung volumes and capacities

Give the normal value of various lung volume and capacities

Draw a labelled diagram of spirogram

Draw a diagram showing timed vital capacity and forced expiratory volume

What is the effect of obstructive and restrictive lung diseases on FEV1/FVC ratio

Question for discussion ;

Will lung volume and capacities be same on all individuals. If not, what would be the physiological causes for variations ?....Post the answer to discuss

Mechanics of respiration

Kindly post the questions if any clarifications needed

Smooth muscles

Must know :

List the differences between single unit and multiunit smooth muscle.

List the functional differences between smooth and skeletal muscle.

Give the difference in excitation contraction coupling of smooth and skeletal muscle.

Nice to know

What is Basal Electrical rythm/slow waves ?

What is the advantage of latch bridge in smooth muscle?

What is stress relaxation?

Nerve injury

Must know:

Briefly describe Wallerian degeneration

Nice to know:

Classify grades nerve injury according to severity

What is denervation hypersensitivity ?

Work physiology

Must know:

What is isotonic and isometric contraction ? Give one example of each

Give differences between isotonic and isotonic contractions

Define incomplete and complete tetanus.

Define motor unit. What is size principle ?

Enumerate differences between red and white type of muscle fibres.

                                               OR

Enumerate differences between type 1 and type II muscle fibres.

Nice to know;

Name the two mechanisms for gradation of force in skeletal muscle.

Excitation contraction coupling

Must know

Draw a diagram showing the location of DHPR and RYR in sarcotubular system

Briefly describe the molecular basis of muscle contraction.

What is power stroke in relation to crossbridge cycling?

With the help of a flowchart describe the steps in excitation contraction coupling
                                                      OR
With the help of a flowchart describe the steps involved in contraction and relaxation of muscle.
                                                       OR
Describe the moleculat basis of muscle contraction

Briefly describe crossbridge cycling.

What is rigor mortis?

Nice to know

Briefly explain malignant hyperthermia.

Functional anatomy of skeletal muscle

Draw a labelled diagram of sarcomere

What is sarcoplasmic triad ? OR What is sarcotubular system ?

Describe sarcotubular system with the help of a labelled diagram.

What is I band, A band, H zone, M line in sarcomere ?

Name 2 contractile and 2 noncontractile muscle proteins. / List muscle proteins.