Upper-Year Courses

does anyone has a good protocol to extract collagen type I from human/mamal bone

does anyone has a good protocol to extract collagen type I from human/mamal bone

 

nausicaa   8235   6 Replies

nausicaa

Physioex 8.0 Exercise 3 Activity 8

Physioex 8.0 Exercise 3 Activity 8

Hoping someone can assist -
The final question in this Activity asks what is the main reason for differences in velocity between myelinated and unmylinated nerves?

Any help would be much appreciated!
Thanks!

MJW   12648   13 Replies

azazael

evr stimullation in exersice 7

evr stimullation in exersice 7

What would be an example of an everyday respiratory event the ERV button simulates

CKROBSON   2023   1 Reply

bio_man

Physio Ex 5 - Cardiovascular Dynamics

Physio Ex 5 - Cardiovascular Dynamics

1. Describe the graph of flow versus viscosity.

2. Explain the effect that pressure changes had on flow rate.

mrbarnhill   26529   3 Replies

duddy

Nervous System help?

Nervous System help?

The correct action when the parasympathetic nervous system is inhibited is that it
a) slows heart rate, slows breathing, decreases adrenaline secretion, and stimulates peristalsis
b) constricts pupils, constricts bronchioles, promotes the r

inquirytobio   5135   3 Replies

Jinn52Nosten

Help with Exercise 3 Neurophysiology of Nerve Impulses please?

Help with Exercise 3 Neurophysiology of Nerve Impulses please?

Activity 2 Q 3. Identify which of the stimulus modalities induced the largest amplitude receptor potential in the Pacinian corpuscle. How well did the results compare with your prediction?

A2 Q4. Identify which of the stimulus modalities

HollyEV   7055   N/A

HollyEV

Physio Ex 9.0 Exercise 9: Renal System

Physio Ex 9.0 Exercise 9: Renal System

3.True or False:  Drinking a lot of caffeine (coffee or cola) leads to an increased urine volume.  This might result from a decrease in the radius of the efferent arteriole.

ACTIVITY 4
30.What do you think would happen to t

thekaylee   8862   4 Replies

AMIRA11

Cardiovascular Dynamics Physio Exercise 5

Cardiovascular Dynamics Physio Exercise 5

1. Describe the components in the blood that affect viscosity.

2. Describe the effect that radius changes have on the laminar flow of a fluid.

THANKS!!!

mrbarnhill   4848   2 Replies

bio_man

Cardiovascular Dynamics PhysioEx

Cardiovascular Dynamics PhysioEx

1. Which is more likely to occur, a change in blood vessel radius or a change in blood vessel length? Why?

2. Explain the effect that the change in blood vessel length had on flow rate.

mrbarnhill   4703   1 Reply

bio_man

Does anyone have the blood lab review (not physioEx)?

Does anyone have the blood lab review (not physioEx)?

Hi, does anyone have the blood lab review from Elaine marieb katja Joehn, 8th edition. actually, any edition would work

caker   1059   1 Reply

bio_man

The Endocrine System

The Endocrine System

The hypothalamus is involved in the release of epinephrine from the adrenal medulla through neurons of the:
a) somatosensory nervous system
b) parasympathetic nervous system
c ) sympathetic nervous system
d) central nervous system

amin19   3299   2 Replies

kapsara

activity 6: comparitive spirometry

activity 6: comparitive spirometry

activity 6: comparitve spirometry:

23) what effect did acute asthma attack breathing have on FVC and FEV1?

25) describe the effect that the inhaler medication had on the FVC anf FEV1

26) did the values return to norma

birdistheword   1855   2 Replies

duddy

PhysioEX exercise 3 Help?

PhysioEX exercise 3 Help?

Anyone know the answers to exercise 3, activities 6, 7 and 8?

12

adr1e   17888   21 Replies

alymag912

Physioex 9.0 Exercise 1

Physioex 9.0 Exercise 1

I'm having a really hard time doing this assignment, any help would be great.

ACTIVITY 1:  Simulating Dialysis (Simple Diffusion)
1.   The molecular weight of urea is approximately 60.  Which of the membranes can it pass

Vickys05   16114   5 Replies

momoash

At what pH did you see the highest activity of salivary amylase? Why?

At what pH did you see the highest activity of salivary amylase? Why?

The following questions refer to Activity 1: Assessing Starch Digestion by Salivary Amylase.
1. At what pH did you see the highest activity of salivary amylase? Why?
2. How do you know that the amylase did not have any contaminating malto

AMIRA11   5315   4 Replies

duddy

physioex cardiovascular physiology Review sheet

physioex cardiovascular physiology Review sheet

questions 3-5
and questions 11-20
will to exchange help!

canole02   3683   1 Reply

duddy

physio ex9.0 exercise 8

physio ex9.0 exercise 8

can some one help me understand this activity?
 can I get someone to help me with these answers?
1. list the substrate and the subunit product of amylase.
2. what effect did boiling have on enzyme activity? why?
thank you.

one_brenda_88   3658   1 Reply

duddy

Can someone please help me with PhysioEx 8.0 exercise 8?

Can someone please help me with PhysioEx 8.0 exercise 8?

Can someone please help me with PhysioEx 8.0 exercise 8? (Human Physiology)  I specifically need help with activities 3, 4.  Of course, I'd be very happy with any help with any of those activities.  Thank so much!!

missbliss   4393   2 Replies

roxy

PhysioEx 8.0 Skeletal muscle Physiology

PhysioEx 8.0 Skeletal muscle Physiology

I don't understand my exercise for skeletal muscle physiology and I'm needing help with answering all the activities.
REVIEW SHEET
EXERCISE 2
Skeletal Muscle Physiology

NAME:
LAB TIME/DATE:

Elect

pepdoz   18093   4 Replies

saintsnurse

Need help.. Exercise 2: Skeletal Muscle Physiology Worksheet

Need help.. Exercise 2: Skeletal Muscle Physiology Worksheet

Activity 9:  Isotonic Contractions

3.   You can observe from the trace that the muscle is rising in force before it reaches the plateau phase.  Why doesn’t the muscle shorten prior to the plateau phase?

7.   

Nicholle87   7024   5 Replies

ppk

PhysioEx 9.0 Exercise 4 activity 1

PhysioEx 9.0 Exercise 4 activity 1

1. The baseline metabolic rate (BMR) of the normal rat was approximately______ ml O2/kg/ hr.
2. True or false: The BMR of all three rats was appr the same before treatment?
3. Which rat had the fastest basal metabolic rate (BMR)?
4. Wh

kkittle   20341   3 Replies

sarah!

Laboratory assistant ettiquette?

Laboratory assistant ettiquette?

Hi,

So I'm not sure if this is the correct place to post this, but I thought I'd try.  I'm in my junior year of undergrad, majoring in biology and I recently began working in a research laboratory.  This lab does n

atg   2009   3 Replies

how_mendel

I need the answers to the activities on PhysioEX8.0 EXcercise 5 and 8

I need the answers to the activities on PhysioEX8.0 EXcercise 5 and 8

ACtivity 1 The Effect of Pressure on Blood Flow

1. Describe the relationship between pressure and blood flow.
2. What kind of change in the cardiovascular system would result in a pressure change?

sslaught002   3195   1 Reply

how_mendel

Final: cardiac electrical, blood vessel and pressure, respiratory and renal phys

Final: cardiac electrical, blood vessel and pressure, respiratory and renal phys

Any methods in studying or mechanisms to handle these topics

hehetrouble   1087   2 Replies

hehetrouble

Physioex 9.0 Exercise 1

Physioex 9.0 Exercise 1

Activity 3 Simulating Osmotic Pressure

16.   If you “cut” the concentration of a non-diffusible solute that is on one side of a membrane in half, the osmotic pressure will
a.   double.
b.   not change.               
c.   be half of what it w

Vickys05   2199   2 Replies

gustavo

The effects of Pressure on Blood Flow

The effects of Pressure on Blood Flow

Do any know the answer to Exercise 5 Cardiovascular Dynamics Activities 1-5??? Need Help!

sslaught002   10369   3 Replies

sslaught002

I need help..ugh this class is killing me

I need help..ugh this class is killing me

Hello,I am looking for the answers to the Cardiovascular Dynamics Activity 2 (studying the effect of viscosity on fluid flow),3(studying the effect of flow tube length on fluid flow),4 (studying the effect of pressure on fluid flow) and 6 (stydyint t

kmuhs   1349   1 Reply

duddy

Physio ex 9.0 Activity 5 exercise 1

Physio ex 9.0 Activity 5 exercise 1

2.) Explain why there was no sodium transport even though ATP was present?


3.) Explain why the addition of glucose cariers had no effect on sodium of potassium transport?

ansocegueda   3477   5 Replies

Dove2011

Activity 6

Activity 6

Activity 6 What happened to the pump’s rate as its stroke volume was
increased?
Using your simulation results as a basis for your answer, explain why an athlete’s resting heart rate might be lower than
that of the average person.

kmuhs   907   1 Reply

duddy

Physio 9 Ex. 2 Activity 3

Physio 9 Ex. 2 Activity 3

Can anyone help me on Physio 9 Ex. 2 Activity 3: The Effect of Stimulus Frequency on Skeletal Muscle Contraction. Review Sheets Results. 
1. What is the difference between stimulus intensity and stimulus frequency?
3. How did the freq

Dove2011   2103   1 Reply

duddy

physioex 9.0

physioex 9.0

hi does anyone have answers to physioex 9.0 exercise 3 please

divya   998   1 Reply

duddy

Explain how you were able to achieve smooth contraction at a given force level.

Explain how you were able to achieve smooth contraction at a given force level.

Help! Duddy! This has been a life saver! But I was wondering you had the answers to this same activity but for numbers 7-18? My lab is due and I cannot get the simulation to work on my computer. I will without a doubt contribute if I get some help.

mcy   2919   2 Replies

kh

Physioex 8.0 Cat version Endrocrine system ex 28B

Physioex 8.0 Cat version Endrocrine system ex 28B

Need some help with Activity 1 - specifically to confirm which rat had highest met rate and why they differed.

envinsite   1205   1 Reply

bio_man

Physioex 28B (Activities 1-7)

Physioex 28B (Activities 1-7)

Does anyone have the answers to Phyioex 28b, Activities 1- 7. Have tried to conduct the experiments but time is too limited to complete all before online test today.

Thank you!!

envinsite   1688   1 Reply

bio_man

If we decrease overall peripheral resistance in the human body

If we decrease overall peripheral resistance in the human body

If we decrease overall peripheral resistance in the human body, the heart would need to generate _______ pressure to generate a given C.O. and systemic arterial pressure would be ________.

missnorcal   2464   3 Replies

duddy

Physioex 9.0

Physioex 9.0

1.   In this simulation, when you delivered several single stimuli very rapidly, you saw a double peak.  The second peak is called an ______________.

2.   True or False:  In order for the heart to function the most effectively in pum

Vickys05   1887   1 Reply

missbliss

Muscle Physiology Question..

Muscle Physiology Question..

Above a certain stimulus amplitude, the muscles response no longer increases.  Why does this happen? 

I'm thinking this happens because the maximum stimulus was surpassed.  What do you guys think?  Does it have so

missbliss   1274   4 Replies

missbliss

PHYSIOEX9.0

PHYSIOEX9.0

Cardiovascular physiology
1.   Describe the effect that pilocarpine had on the heart and why it had this effect.

2.   Atropine is an “acetylcholine antagonist.”  Does atropine inhibit or enhance the effects of acetylcholine? ________

Vickys05   7263   2 Replies

star

PHYSIOEX 8.0 ANATOMY AND PHYSIOLOGY EXERCISE 5

PHYSIOEX 8.0 ANATOMY AND PHYSIOLOGY EXERCISE 5

i kindly need help with this .physioex 8.0 for A&P EXERCISE 5


PAGE 65 EXXERCISE 5
1.What happened to the fluid flow rate as the radius of the flow
tube was increased?
Cardiovascular Dynamics 65
FIGURE 5.1 Open

berfrye   9931   6 Replies

POCKY

EXERCISE 4: Endocrine System Physiology

EXERCISE 4: Endocrine System Physiology

Can someone please help me with these.

EXERCISE 4:  Endocrine System Physiology

1.   The baseline metabolic rate (BMR) of the normal rat was approximately ________ ml O2/kg/hr.

2.   True or False:  The BMR o

cphnry   11581   7 Replies

star