Muscle

Please Answer the following questions. No certain words limit. Please provide a free plagiarism check.

 

Exam 3 Review Questions

 

What is the importance of

1. T tubules
2. Sarcoplasmic reticulum
3. Troponin
4. Tropomyosin
5. Ryanodine receptors

 

 

What is happening during the latent period of a muscle twitch

 

 

 

 

 

Explain what happens during the excitation contraction coupling in a muscle cell

 

 

 

 

 

 

Explain the cross bridge cycle of a muscle cell

 

 

 

 

 

 

 

 

List the blood types accepted by the following blood types

 

A+ ,

 

O+ ,

 

B- ,

 

AB-

 

 

 

The following blood types can donate their blood to

 

A+ ,

 

O+ ,

 

B- ,

 

AB-

 

Adam’s blood is O-. Why would the plasma portion of his blood not be included during a blood transfusion to someone with B- blood ?

 

 

 

 

 

Explain who gets the Rhogam shot and how it works

 

 

 

 

 

 

Explain the function of those proteins

1. A) albumins
2. B) globulins
3. C) fibrinogen
4. D) thrombopoietin.
5. E) transferrin
6. F) Erythropoeitin

 

 

 

 

 

 

 

 

 

 

 

 

 

Which ECG wave would represent the following events

atrial repolarization

ventricular repolarization

ventricular depolarization

atrial depolarization

Atrial contraction /Atrial relaxation

Ventricular contraction / relaxation

 

 

 

 

 

Write down the autorhythmic cells in the correct order for conveying electrical signals through a normal heart

 

 

 

 

 

 

 

 

Explain the steps of action potential in myocardial contractile cells vs autorythmic cells (pacemaker cells)

 

 

 

 

 

 

 

 

Define

1. End systolic volume
2. Cardiac output
3. End diastolic volume

 

 

 

 

Explain the excitation contraction coupling steps in a contractile cardiac cell

 

 

 

 

 

 

How is acetylcholine going to affect heart rate vs norepinephrine