Physiology Exam 2 Questions

Which of the following is true?

A. Left ventricle generates higher pressure than right ventricle

B. The pressured generated by right and left ventricle are always equal because the pulmonary and systemic circuits always arrange in series

C. Right ventricle generates higher pressure than the left ventricle
Click the card to flip 👆
1 / 12
Terms in this set (12)
Which of the following is true?

A. Left ventricle generates higher pressure than right ventricle

B. The pressured generated by right and left ventricle are always equal because the pulmonary and systemic circuits always arrange in series

C. Right ventricle generates higher pressure than the left ventricle
A
Which of the following is eye regarding pulmonary circulation?

A. Pulmonary veins carry oxygenated blood away from the heart

B. Pulmonary arteries carry deoxygenated blood to the lungs

C. Pulmonary veins carry deoxygenated blood to the heart

D. Pulmonary arteries carry oxygenated blood away from the heart
B
The right ventricle pumps __________ blood into the _______ circulation

A. Deoxygenated, systemic
B. Oxygenated, systemic
C. Deoxygenated, pulmonary
C
If there is no blood flow from A to B, the the pressure in A is _______ to pressure B

A. Higher than
B. Lower than
C. Equal to
C
What occurs when a blood vessels radius increases and the pressure gradient remains unchanged?

A. Resistance increases and flow decreases
B. Resistance decreases and flow increases
C. Resistance decreases and flow decreases
D. Resistance increases the flow increases
B
With tubes of equal length and diameter but different pressures at the end of the tubes which tube will have the highest flow?

A. PIN 100 mmhg, POUT 65mmhg
B. PIN 325 mmhg, POUT 275 mmhg
C. PIN 75 mmhg, POUT 20mmhg
D. PIN 70mmhg, POUT 10mmhg
D
Which of the following blood vessels display fastest velocity of blood flow?
A. Capillaries
B. Aorta
C. Veins
D. Venules
E. Arteries
B
Which valves are open during ventricular contraction?

A. Semilunar
B. AV
C. All valves
D. Mitral valve
A
How do cardio pacemaker cells differ from the contractile cells

A. Only pacemaker cells are able to make AP
B. Only pacemaker cells have calcium channels
C. Pacemaker cells are nerve cells whereas contractile cells are cardiac muscle cells
D. Pacemaker cells control heart rate and contractile cells generate force of contraction
D
Which is a similarity in the action potentials of neurons and myocardial contractile cells?

A. Sodium influx during depolarization
B. Potassium influx during rapid repolarization
C. Calcium entry during hyperpolarization
A