Physiology Exam 11

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1.Brutus Buckeye is tasked with determining methods to decrease cardiac output. He correctly states that cardiac output could be decreased by
a. Increasing the conduction velocity
b. Increasing the arterial pressure
c. Slightly decreasing the end diastolic volume
d. Decreasing the body temperature to 85°F
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Terms in this set (29)
1.Brutus Buckeye is tasked with determining methods to decrease cardiac output. He correctly states that cardiac output could be decreased by
a. Increasing the conduction velocity
b. Increasing the arterial pressure
c. Slightly decreasing the end diastolic volume
d. Decreasing the body temperature to 85°F
b. Increasing the arterial pressure
1.Brutus Buckeye is tasked with determining methods to decrease cardiac output. He correctly states that cardiac output could be decreased by
a. Decreasing the conduction velocity
b. Increasing the stroke volume
c. Slightly decreasing the end diastolic volume
d. Decreasing the body temperature to 85°F
a. Decreasing the conduction velocity
1.Brutus Buckeye is tasked with determining methods to decrease cardiac output. He correctly states that cardiac output could be decreased by
a. Increasing the conduction velocity
b. Increasing the stroke volume
c. Greatly increasing the end diastolic volume
d. Decreasing the body temperature to 85°F
c. Greatly increasing the end diastolic volume
3. Which is a correct statement regarding the blood vessels?
a. The capillaries are lines with only one type of cell
b. The arteries move blood away from the heart and have the highest surface area
c. The blood pressure decreases then increases as the blood moves further from the heart
d. All of the blood vessels are lined with epithelial cells
a. The capillaries are lines with only one type of cell
3. Which is a correct statement regarding the blood vessels?
a. The capillaries are lines with only two types of cell
b. The arteries move blood away from the heart and have the highest surface area
c. The blood pressure decreases as the blood moves further from the heart
d. All of the blood vessels are lined with epithelial cells
c. The blood pressure decreases as the blood moves further from the heart
5. The left ventricle is larger than the ____ because it ____.
a. Left atria- needs to move blood a shorter distance
b. Right atria- moves blood to the hands
c. Right ventricle- has to generate less tension
d. All of the other chambers- moves oxygenated blood
b. Right atria- moves blood to the hands
5. The left ventricle is larger than the ____ because it ____.
a. Left atria- needs to move blood a further distance
b. Right atria- moves blood to the lungs
c. Right ventricle- has to generate less tension
d. All of the other chambers- moves oxygenated blood
a. Left atria- needs to move blood a further distance
7. Which is a correct statement about the three major muscle types?
a. Unlike skeletal, smooth and cardiac muscle must have the actin attached to the Z line/disc
b. Unlike skeletal, smooth and cardiac muscle function is primarily based on our equation #4
c. All three types utilize ATPase channels to remove calcium from the cytosol
d. All three have an increase in intracellular calcium during contraction
b. Unlike skeletal, smooth and cardiac muscle function is primarily based on our equation #4
7. Which is a correct statement about the three major muscle types?
a. Unlike smooth, skeletal and cardiac muscle must have the actin attached to the Z line/disc
b. Unlike skeletal, smooth and cardiac muscle function is primarily based on our equation 1
c. All three types utilize ATPase channels to remove calcium from the cytosol
d. All three have an increase in intracellular calcium during contraction
a. Unlike smooth, skeletal and cardiac muscle must have the actin attached to the Z line/disc
7. Which is a correct statement about the three major muscle types?
a. Unlike skeletal, smooth and cardiac muscle must have the actin attached to the Z line/disc
b. Unlike skeletal, smooth and cardiac muscle function is primarily based on our equation 1
c. All three types utilize ATPase channels to remove calcium from the cytosol
d. Only two have an increase in intracellular calcium during contraction
d. Only two have an increase in intracellular calcium during contraction
9. When Patient X stands up quickly, they regularly feel a bit faint (likely to pass out or lose consciousness). Dr. Scarlet recommends that they flex their leg muscles just before and after standing up to reduce their likelihood of feeling faint. Dr. Scarlet is attempting to have them directly alter the blood pressure in their a. Capillaries b. Arteries c. Arterioles d. Veinsd. Veins11. Arteries carry ____ blood and have the ____ hydrostatic and blood pressures compared to all the other blood vessels. a. Either oxygenated blood or deoxygenated- highest b. Only oxygenated- highest c. Either oxygenated or deoxygenated- lowest d. Only oxygenated- lowesta. Either oxygenated blood or deoxygenated- highest13. Arteries are highly elastic specifically to reduce the variation in blood ____ and generate convective flow during the ____ phase. a. Flow- diastolic b. Flow- systolic c. Pressure- diastolic d. Pressure- systolica. Flow- diastolic15. The myocardium utilizes _____ linkages to maintain its cell connections during contractions and ____ to facilitate cellular communication for contractions. a. Cadherin- connexons b. Cadherin- tight junctions c. Tight junctions- gap junctions d. Desmosome- claudinsa. Cadherin- connexons15. The myocardium utilizes _____ linkages to maintain its cell connections during contractions and ____ to facilitate cellular communication for contractions. a. Claudin- connexons b. Cadherin- gap junctions c. Tight junctions- gap junctions d. Desmosome- claudinsb. Cadherin- gap junctions15. The myocardium utilizes _____ linkages to maintain its cell connections during contractions and ____ to facilitate cellular communication for contractions. a. Claudin- connexons b. Cadherin- tight junctions c. Tight junctions- gap junctions d. Desmosome- connexonsd. Desmosome- connexons17. The actions of the Purkinje fibers would be observed in _____ of the electrocardiogram (EKG). a. The P wave b. The QRS complex c. The T wave d. All the parts of the EKGb. The QRS complex19. Which is a correct statement about the circulatory system? a. An endocrine produced by the adrenal cortex can cause an increase in blood volume b. Both the atrial cells and and ventricular cells contract c. Both statements are correct d. Neither statement is correctb. Both the atrial cells and and ventricular cells contract19. Which is a correct statement about the circulatory system? a. An endocrine produced by the adrenal cortex can cause an increase in blood pressure b. Both the atrial cells and and ventricular cells contract c. Both statements are correct d. Neither statement is correctc. Both statements are correct21. In the eighteenth century, Karl Eberth discovered and published about the structure of the intercalated discs. However, only in the 1950s did researchers determine the specific components and functions of the discs. Which is a correct statement about intercalated discs? a. Action potentials are conducted between myocardial cells via tight junctions b. The smallest fluid compartment can flow around the outside of both types of junctions present c. Both statements are correct d. Neither statement is correctd. Neither statement is correct21. In the eighteenth century, Karl Eberth discovered and published about the structure of the intercalated discs. However, only in the 1950s did researchers determine the specific components and functions of the discs. Which is a correct statement about intercalated discs? a. Action potentials are conducted between myocardial cells via gap junctions b. The mid-sized fluid compartment can flow around the outside of both types of junctions present c. Both statements are correct d. Neither statement is correctc. Both statements are correct23. A recent article in The Daily Phys discussed the different blood pressure types. It correctly stated that the a. Arterial blood pressure is typically measured during a check-up b. Arteriolar blood pressure is not expected to have similar readings in different parts of the body c. Both statements are correct d. Neither statement is correctc. Both statements are correct23. A recent article in The Daily Phys discussed the different blood pressure types. It correctly stated that the a. Arteriolar blood pressure is typically measured during a check-up b. Arterial blood pressure is not expected to have similar readings in different parts of the body c. Both statements are correct d. Neither statement is correctd. Neither statement is correct23. A recent article in The Daily Phys discussed the different blood pressure types. It correctly stated that the a. Arteriolar blood pressure is typically measured during a check-up b. Arteriolar blood pressure is not expected to have similar readings in different parts of the body c. Both statements are correct d. Neither statement is correctb. Arteriolar blood pressure is not expected to have similar readings in different parts of the body25. Typically, heart failure is more likely to occur on the left than the right side. However, during the opioid crisis, cardiologists noted an increase in right-side heart failure. One hypothesis for this change being linked to intravenous drug use is that a. After injection, the drugs are first encountering the right side of the heart b. The drugs are causing the right side of the heart to now move blood further than before c. Both statements are correct d. Neither statement is correcta. After injection, the drugs are first encountering the right side of the heart27. Dr. Gray knows that Patient Y has damaged semilunar valves. Consequently, Patient Y is correctly expected to present with a. A murmur in association with the dub and T wave b. Backflow of blood into the atria c. No change to stroke volume and cardiac output d. All three statements are correcta. A murmur in association with the dub and T wave27. Dr. Gray knows that Patient Y has damaged semilunar valves. Consequently, Patient Y is correctly expected to present with a. A murmur in association with the lub and QRS complex b. Backflow of blood into the ventricles c. No change to stroke volume and cardiac output d. All three statements are correctb. Backflow of blood into the ventricles29. Which is a correct statement about the blood vessels? a. Epithelial cells line all of them thereby creating the smallest of our fluid compartments b. The superior vena cava has a higher hydrostatic pressure than the capillaries of the left arm c. Both statements are correct d. Neither statement is correctb. The superior vena cava has a higher hydrostatic pressure than the capillaries of the left arm29. Which is a correct statement about the blood vessels? a. Epithelial cells line all of them thereby creating the smallest of our fluid compartments b. The superior vena cava has a higher hydrostatic pressure than the arterioles of the left arm c. Both statements are correct d. Neither statement is correctd. Neither statement is correct