Some earlier quiz and exam questions
(see below for previous data)

What is the "official" physiology word for the cessation of breathing induced by diving?

apnea

Which is the nerve that reports sensations from the face that mediate the diving reflex?

trigeminal, 5th cranial nerve

Suppose that you or a classmate show a decreased magnitude of reading from the peripheral pulse monitor while holding your breath (like the figure hyperlinked to last week's cardio lab outline). This is most likely mediated by smooth muscle in what type of blood vessel?

arteriole

What is so unusual about the combination of pulse and pressure changes in diving?

b.p. going up while pulse goes down -- these two would usually go up or down together

Express MAP (mean arterial pressure) in terms of diastolic and systolic pressures.

diastolic + 1/3(systolic-diastolic)

Suppose the resting pulse is 72, typical for most people. You have a strip of 10 seconds from the power lab during a cold face dip where there are 6 heart beats. How was the pulse changed?

duh? ([6beats/10s]x[60s/1min]=36beats/min, goes to half resting)

If you used just a little too much low pass filtering on the EKG, which component(s) would be most inaccurately plotted out?

the fast QRS components would be clippec

What is the "official" physiology word for a low heart rate?

bradycardia

Why do you use one thumb for the pulse and the other arm for the pressure?

duh? (cuff closes off peripheral pulse)

What does breathing through a snorkel without a face mask during a dive control for?

Two possible answers.
(1) apnea (if you interpreted it as breathing vs. not breathing)
(2) trigeminal stimulation in eye-nose-area (if you interpreted it as with vs without a face mask)

Which cranial nerve (number) is the trigeminal nerve?

5

Which two systems are working in concert in the diving reflex that normally work
in opposition?

parasympathetic and sympathetic

What is increased and what is decreased during a dive?

blood pressure, pulse

What does apnea mean?

cessation of breathing

Why could we do this lab by putting the face, and not the entire body, into water?

mediated through trigeminal

What two parameters were measured in the diving lab?

blood pressure and heart rate

Which artery is typically used to find blood pressure?

brachial

How is blood pressure increased during the diving reflex?

sympathetic peripheral vasoconstriction

Apnea is triggered by stimulation of what type of receptors on the trigeminal nerve?

cold receptors

How was the control taken in the lab? (what was done by the test subject?)

breathed normally in air

What is the "official" physiology word for the cessation of breathing induced by diving?

apnea

Which is the nerve that reports sensations from the face that mediate the diving reflex?

trigeminal, 5th cranial nerve

Suppose that you or a classmate show a decreased magnitude of reading from the peripheral pulse monitor while holding your breath (like the figure hyperlinked to last week's cardio lab outline). This is most likely mediated by smooth muscle in what type of blood vessel?

arteriole

What is so unusual about the combination of pulse and pressure changes in diving?

b.p. going up while pulse goes down -- these two would usually go up or down together

Express MAP (mean arterial pressure) in terms of diastolic and systolic pressures.

diastolic + 1/3(systolic-diastolic)

Suppose the resting pulse is 72, typical for most people. You have a strip of 10 seconds from the power lab during a cold face dip where there are 6 heart beats. How was the pulse changed?

duh? ([6beats/10s]x[60s/1min]=36beats/min, goes to half resting)

If you used just a little too much low pass filtering on the EKG, which component(s) would be most inaccurately plotted out?

the fast QRS components would be clippec

What is the "official" physiology word for a low heart rate?

bradycardia

Why do you use one thumb for the pulse and the other arm for the pressure?

duh? (cuff closes off peripheral pulse)

What does breathing through a snorkel without a face mask during a dive control for?

Two possible answers.
(1) apnea (if you interpreted it as breathing vs. not breathing)
(2) trigeminal stimulation in eye-nose-area (if you interpreted it as with vs without a face mask)

What part of the nervous system mediates the bradycardia of the diving response?

parasympathetic

What is the official word for the cuff you use to measure blood pressure from the brachial artery?

sphygmomanometer

Why are pulse and blood pressure close to control levels during a dive with a face mask and a snorkel?

face mask prevents trigeminal stimulation, snorkel avoids apnea

What was the most convenient way to get an accurate measurement of the heart rate during the diving lab?

use a snippit of the pulse monitor


Spring04 data

Subjects breathing normally in air
Diastolic pressure 79.29
Systolic pressure 128.00
Pulse 74.57

Subjects put face in 20 .3 (average) degree C water, holding breath
Diastolic pressure 96.43
Systolic pressure 138.86
Pulse 58.14

Subjects wear face mask covering eyes and nose and breathe with snorkel in in 20.3 (average) degree C water
Diastolic pressure 84.29
Systolic pressure 126.43
Pulse 75.86

Subjects wear mask but hold breath in 20.3 (average) degree C water
Diastolic pressure 90.71
Systolic pressure 130.14
Pulse 57.43

Subjects wear nose clip (since eyes and nose are in water) but breathe through snorkel in 20.3 (average) degree C water
Diastolic pressure 89.86
Systolic pressure 133.00
Pulse 67.86

Subjects put face in 36.7 (average) degree C water, holding breath
Diastolic pressure 87.71
Systolic pressure 126.14
Pulse 68.43

Subjects put face in 9.3 (average) degree C water, holding breath
Diastolic pressure 104.86
Systolic pressure 142.57
Pulse 64.86

Fall04 data

group- control- hold breath in air- 20 o dive- 20 o face mask hold breath- 20 o snorkel nose clip- 20 o face mask snorkel- 37 o C dive- 10 o dive (heart rate, systolic, diastolic)

1-72,92,68-60,102,80-60,110,70-72,112,74-72,100,65-72,102,70-60,102,74-48,96,76
2-93,122,76-84,138,90-67,148,88-70,132,81-86,140,88-89,130,80-67,130,86-56,142,102
3-96,130,60-90,120,71-96,140,80-78,145,90-102,149,79-96,147,80-90,151,81-96,120,70
4-66,122,80-64,118,80-54,124,86-72,122,80-60,130,90-62,128,88-52,138,92-48,148,94
5-78,125,85-66,110,70-64,135,90-68,145,98-75,150,85-72,140,80-60,145,85-60,150,90


*=subject
group 1 = AF, *MP, EM, EM
group2=KP,BS,TA,*NF
group3=*MA, TC,SG
group4=DS,CHa,AV,AC
group5=*CHo, HK,SR

Fall05 data

group- control- hold breath in air- 20 o dive- 20 o face mask hold breath- 20 o snorkel nose clip- 20 o face mask snorkel- 37 o C dive- 10 o dive (heart rate, systolic, diastolic)

1-72-120-70-90-130-70-75-125-85-74-117-82-72-134-80-66-135-70-84-120-70-63-122-87
2-66-118-75-72-130-85-66-140-90-60-135-85-66-125-85-66-135-85-72-130-110-60-160-120
3-66-124-85-76-130-90-92-124-85-60-130-80-64-130-80-68-125-85-56-120-78-48-140-90
4-82-125-85-82-135-85-60-135-90-82-130-90-64-135-95-80-135-70-60-130-85-54-140-100


*=subject
group 1 = M*AKS
group2=AEJ*A
group3=AM*MK
group4=DT*ZJ

Fall06 data

go here,