Phys of Ex Lab 11

A systolic blood pressure of __________ mmHg would be suggestive of hypotension

90

MAP would likely be lowest for which of the following exercises?

cycling at 200 Watts (90% of max)

The fifth Korotkoff sound is associated with: a. closing of the AV valves b. occluded blood flow c. turbulent blood flow d. two of these answers e. laminar blood flow

e. laminar blood flow

Your subject has a cardiac output of 14.2, a heart rate of 150, and a blood pressure of 148/86. What is their mean arterial pressure? (no units required)

106.7

Your subject has a cardiac output of 12.4, a heart rate of 103, and a blood pressure of 159/79. What is their stroke volume in ml/beat? (no units required)

120.4

Your subject has a cardiac output of 14.2, a heart rate of 113, and a blood pressure of 155/88. What is their stroke volume in ml/beat? (no units required)

125.7

Your subject has a stroke volume of 118 ml/beat, a heart rate of 148, and a blood pressure of 177/96. What is their cardiac output in L/min? (no units required)

17.5

What is a typical maximal exercise SBP for an adult male subject?

182

What is a typical value for cardiac output in a healthy adult human (in L)?

5

What is a typical maximal aerobic exercise DBP for a young, healthy, adult subject?

68

When we use a stethoscope and blood pressure cuff to determine blood pressure, we place the diaphragm of the stethoscope over which blood vessel?

brachial artery

We demonstrated a couple different methods for determining blood pressure in lab X. Taking a subject's blood pressure using a stethoscope, blood pressure cuff and sphygmomanometer and noting when the Korotkoff sounds occur is a part of the _____________________________________________________________ for determining blood pressure.

indirect-auscultatory

SBP would likely be highest for which of the following exercises?

isometric knee extension at 90% of maximum

If graph v (downward slope) depicts the changes in TPR (y axis) between rest and maximal intensity cycling exercise, how would this figure look different if the subject were performing arm crank exercise?

it would still decrease, but not as much

What does the 5th Korotkoff sound sound like?

no sound

Pulse pressure would likely be highest for which of the following exercises? a. cycling at 200 Watts (90% of max) b. arm crank at 60 Watts (90% of max) c. dynamic knee extensions at 90% of maximum d. two of these would be tied e. isometric knee extension at 90% of maximum

a. cycling at 200 Watts (90% of max)

You are taking a subject's blood pressure by the auscultatory method. When you have worked with this patient before, their blood pressure is usually around 118/74. You pump the cuff up until the pressure is 146 mmHg. You then release the pressure from the cuff, while listening for changes in sound as the pressure in the cuff gradually becomes lower. The needle on the sphygmomanometer is moving down and is at 109 mmHg when you hear a relatively loud sound, then it becomes a little softer at around 101, then a little louder again around 95, becomes muffled around 81, and then disappears at 72 mmHg. Based on this information what is their systolic blood pressure?

109

Your subject has a cardiac output of 15.0, a heart rate of 137, and a blood pressure of 162/88. What is their stroke volume in ml/beat? (no units required)

109.5

Your subject has a stroke volume of 101 ml/beat, a heart rate of 111, and a blood pressure of 148/79. What is their cardiac output in L/min? (no units required)

11.2

Based on pre-2017 guidelines hypertension could be diagnosed based on a systolic blood pressure __________ mmHg

140

You are taking a subject's blood pressure by the auscultatory method. When you have worked with this patient before, their blood pressure is usually around 129/88 with a heart rate of 89. How high should you pump up the pressure in the cuff before you begin taking their BP?

149

Your subject has a cardiac output of 16.2, a heart rate of 107, and a blood pressure of 145/94. What is their stroke volume in ml/beat? (no units required)

151.4

What is a typical maximal exercise SBP for an adult female subject?

155

Your subject has a cardiac output of 14, a heart rate of 128, and a blood pressure of 141/92. Estimate their heart's oxygen demand. (do not need units)

18,048

Your subject has a cardiac output of 14, a heart rate of 114, and a blood pressure of 181/64. Estimate their heart's oxygen demand. (do not need units)

20,634

What is a typical maximal exercise cardiac output in an untrained subject? (use L)

25

You are taking a subject's blood pressure by the auscultatory method. When you have worked with this patient before, their blood pressure is usually around 118/74. You pump the cuff up until the pressure is 141 mmHg. You then release the pressure from the cuff, while listening for changes in sound as the pressure in the cuff gradually becomes lower. The needle on the sphygmomanometer is moving down and is at 108 mmHg when you hear a relatively loud sound, then it becomes a little softer at around 102, then a little louder again around 95, becomes muffled around 80, and then disappears at 71 mmHg. Based on this information what is their diastolic blood pressure?

71

You are taking a subject's blood pressure by the auscultatory method. When you have worked with this patient before, their blood pressure is usually around 132/84. You pump the cuff up until the pressure is 157 mmHg. You then release the pressure from the cuff, while listening for changes in sound as the pressure in the cuff gradually becomes lower. The needle on the sphygmomanometer is moving down and is at 143 mmHg when you hear a relatively loud sound, then it becomes a little softer at around 121, then a little louder again around 111, becomes muffled around 95, and then disappears at 80 mmHg. Based on this information what is their diastolic blood pressure?

80

Based on pre-2017 guidelines hypertension could be diagnosed based on a diastolic blood pressure __________ mmHg

90

Your subject has a cardiac output of 13.2, a heart rate of 165, and a blood pressure of 135/72. What is their mean arterial pressure? (no units required)

93

Your subject has a cardiac output of 14.0, a heart rate of 123, and a blood pressure of 164/64. What is their mean arterial pressure? (no units required)

97.3

If graph vi (decreasing straight line) depicts the changes in DBP (y axis) between rest and maximal cycling exercise, what other cardiovascular response(s) to exercise contribute to this change?

a decrease in TPR during this type of activity

The first Korotkoff sound is associated with: a. systolic blood pressure b. two of these answers c. diastolic pressure d. closing of the AV valves e. closing of the semilunar valves

a. systolic blood pressure

DBP would likely be lowest for which of the following exercises? a. dynamic knee extensions at 90% of maximum b. arm crank at 60 Watts (90% of max) c. cycling at 200 Watts (90% of max) d. two of these would be tied e. isometric knee extension at 90% of maximum

c. cycling at 200 Watts (90% of max)

MAP would likely be highest for which of the following exercises? a. dynamic knee extensions at 90% of maximum b. two of these would be tied c. isometric knee extension at 90% of maximum d. cycling at 200 Watts (90% of max) e. arm crank at 60 Watts (90% of max)

c. isometric knee extension at 90% of maximum

The first Korotkoff sound is associated with: a. two of these answers b. laminar blood flow c. turbulent blood flow d. occluded blood flow e. closing of the AV valves

c. turbulent blood flow

When we use the auscultatory method for determining blood pressure during exercise, what do we need to do differently? a. if sounds are heard very low (e.g. down to zero), the 4th Korotkoff sound may be a better indicator of DBP than the disappearance of the sounds (5th Korotkoff sound) b. none of these ARE modifications of the auscultatory technique that we would use during exercise c. isolate the arm d. pump the pressure in the cuff higher than we would under resting conditions e. all of these ARE modifications of the auscultatory technique that we would use during exercise

e. all of these ARE modifications of the auscultatory technique that we would use during exercise

If graph i (increasing straight line) depicts the changes in heart rate (y axis) between rest and maximal intensity cycling exercise, what is causing this change? a. none of these answers, the heart rate should never be zero for a living subject b. an increase in sympathetic stimulation of the SA node c. a decrease in acetylcholine release at the SA node d. more neurotransmitter binding with beta-1-adrenergic receptors e. three of these answers

e. three of these answers

When we talk about a patient's blood pressure, if we do not say otherwise we are referring to pressure in what part of the circulatory system? a. systemic capillary pressure b. systemic veinous pressure at the level of the heart c. systemic arterial pressure at the level of the head d. pulmonary arterial pressure e. none of these answers f. systemic arterial pressure at the level of the heart

f. systemic arterial pressure at the level of the heart

One of the following graphs depicts the changes in mean arterial blood pressure (Y axis) from rest to maximal intensity cycing exercise (on the X axis) in a young healthy subject. Which graph best illustrates the trend for this variable?

graph i (increases and not starting at zero)

One of the following graphs depicts the changes in heart rate (Y axis) from rest to maximal intensity cycling exercise (on the X axis). Which graph best illustrates the trend for this variable?

graph i (increasing not starting at zero)

One of the following graphs depicts the most common changes in diastolic blood pressure (Y axis) from rest to maximal intensity cycing exercise (on the X axis) in a young healthy subject with an appropriate vasodilatory response to exercise. Which graph best illustrates the trend for this variable?

graph vi (straight decreasing line)

Our body is a little like Goldilocks; it wants everything just right. Which of the following is/are true about hypertension, normotension, and hypotension?

hypertension increases the risk of having a stroke severe hypotension may be a more immediate threat to a pateint's life than hypertension a blood pressure of 80 over 40 could cause syncope 40-50% of all US adults have hypertension

This immage depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): isometric bicep curls and sometric knee extensions. Which line is likely the isometric knee extension SBP?

line a (top line, its increasing)

This image depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): isometric bicep curls and sometric knee extensions. Which line is likely the isometric bicep curl SBP?

line b ( second line on graph where all lines are increasing)

This immage depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): cycling and isometric knee extensions. Which line is likely the cycling SBP?

line b (second line from the top thats increasing)

This immage depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): cycling and arm cranking. Which line is likely the cyclilng SBP?

line b (second long line thats increasing)

This image depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): cycling and isometric knee extensions. Which line is likely the cycling MAP?

line d (4th line, its increasing)

This image depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): isometric bicep curls and sometric knee extensions. Which line is likely the isometric knee extension DBP?

line e (5th line, it's increasing on graph where all lines increase)

This immage depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): cycling and isometric knee extensions. Which line is likely the cycling DBP?

line f (bottom line thats decreasing)

This image depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): cycling and isometric knee extensions. Which line is likely the cycling DBP?

line f (bottom line, its decreasing)

This immage depicts the SBP, DBP, and MAP response to exercise for the same subject during two different exercises (lines a-f): isometric bicep curls and sometric knee extensions. Which line is likely the isometric bicep curl DBP? Note: bicep curls would typically be considered relatively small muscle mass exercise except in extraordinary cases (such as in the case of your professor's huge biceps).

line f (bottom line, its decreasing)

If graph i depicts the changes in heart rate (y axis) between rest and maximal intensity cycling exercise, what is causing this change? a. none of these answers, the heart rate should never be zero for a living subject b. an increase in sympathetic stimulation of the SA node c. more neurotransmitter binding with beta-1-adrenergic receptors d. a decrease in acetylcholine release at the SA node e. three of these answers

three of these answers

What is a typical maximal exercise DBP for an adult male subject?

~67

What is a typical maximal exercise DBP for an adult female subject?

~69