BMS 300 EXAM 3 QUESTIONS WITH VERIFIED
ACCURATE ANSWERS
Deoxygenated blood is carried away from the heart through the - Answers - pulmonary
artery
Cardiomyocytes receive oxygen from blood in the - Answers - myocardial capillaries
In fish, oxygen enters the blood from water by crossing - Answers - gill epithelium,
capillary endothelium
The pressure that closes the ____ moves blood through the ____. - Answers - aortic
valve; capillaries of the left and right ventricular myocardium
Papillary muscles are specialized muscles in the ventricles that are attached to the AV
valves and ensure that these valves remain closed as ventricular pressure increases.
You would expect these muscles to contract and generate tension: - Answers - during
the isovolumetric contraction phase
The greatest reduction in the amount of oxygen bound to hemoglobin occurs in the -
Answers - capillaries between the arterioles and the veins
Lidocaine is an anesthetic that blocks voltage-gated Na+ channels. You would expect
this drug to affect action potential generation in the - Answers - ventricular myocytes
at all intervals except between C & D – Answers
, - In the pressure volume loop, pressure in the aorta would be greater than the pressure
in the left ventricle
Ivabaradine is a drug that blocks Na+ influx through HCN channels. You would expect
this drug to - Answers - decrease the heart rate
During periods of increased sympathetic activity in the heart, you would expect binding
of norepinephrine to B1 receptors to - Answers - increase heart rate, increase
contractility in ventricular cardiomyocytes
In the production of lymph, the force that causes the net movement of fluid out of the
blood is the - Answers - hydrostatic pressure
The effect of norepinephrine on alpha 1 receptors ____ blood flow by ____. - Answers -
decreases; increasing vascular resistance
P-Q interval - Answers
- In the accompanying ECG, action potentials propagate from the AV node through the
Purkinje fibers during
Aged erythrocytes normally meet their end in the spleen when they are engulfed by
____ that recognize which erythrocytes are worn out by the ____ on the erythrocyte
plasma membranes. - Answers - macrophages; oxidized sugars
1-2 - Answers –
ACCURATE ANSWERS
Deoxygenated blood is carried away from the heart through the - Answers - pulmonary
artery
Cardiomyocytes receive oxygen from blood in the - Answers - myocardial capillaries
In fish, oxygen enters the blood from water by crossing - Answers - gill epithelium,
capillary endothelium
The pressure that closes the ____ moves blood through the ____. - Answers - aortic
valve; capillaries of the left and right ventricular myocardium
Papillary muscles are specialized muscles in the ventricles that are attached to the AV
valves and ensure that these valves remain closed as ventricular pressure increases.
You would expect these muscles to contract and generate tension: - Answers - during
the isovolumetric contraction phase
The greatest reduction in the amount of oxygen bound to hemoglobin occurs in the -
Answers - capillaries between the arterioles and the veins
Lidocaine is an anesthetic that blocks voltage-gated Na+ channels. You would expect
this drug to affect action potential generation in the - Answers - ventricular myocytes
at all intervals except between C & D – Answers
, - In the pressure volume loop, pressure in the aorta would be greater than the pressure
in the left ventricle
Ivabaradine is a drug that blocks Na+ influx through HCN channels. You would expect
this drug to - Answers - decrease the heart rate
During periods of increased sympathetic activity in the heart, you would expect binding
of norepinephrine to B1 receptors to - Answers - increase heart rate, increase
contractility in ventricular cardiomyocytes
In the production of lymph, the force that causes the net movement of fluid out of the
blood is the - Answers - hydrostatic pressure
The effect of norepinephrine on alpha 1 receptors ____ blood flow by ____. - Answers -
decreases; increasing vascular resistance
P-Q interval - Answers
- In the accompanying ECG, action potentials propagate from the AV node through the
Purkinje fibers during
Aged erythrocytes normally meet their end in the spleen when they are engulfed by
____ that recognize which erythrocytes are worn out by the ____ on the erythrocyte
plasma membranes. - Answers - macrophages; oxidized sugars
1-2 - Answers –
