Practical 4 Heart function

Question 1

Heart rate horse

Answer 1

30-40/min

Question 2

heart rate cattle

Answer 2

60-80/min

Question 3

heart rate small ruminants

Answer 3

60-80/min

Question 4

heart rate swine

Answer 4

60-80/min

Question 5

heart rate dog large size

Answer 5

70-100/min

Question 6

heart rate dog new born

Answer 6

150-200/min

Question 7

heart rate cat adult

Answer 7

120-160/min

Question 8

heart rate cat new born

Answer 8

200-250/min

Question 9

heart rate rabbit

Answer 9

150-200/min

Question 10

heart rate poultry

Answer 10

140-400/min

Question 11

What is pulse pressure?

Answer 11

the pressure in arterial system)

Question 12

Pulse pressure in humans?

Answer 12

40 mmHg / 5.3 kPa

Question 13

Normal Diastolic pressure in humans?

Answer 13

75-80 mmHg / 10.0-11.0 kPa

Question 14

Why does edema happend with Ringer’s solution?

Answer 14

Protein free solution pass unhindered trough blood vessel walls to interstices

Question 15

What is the effect of pharmacological consentrations of epinephrine? And which receptors does it influence?

Answer 15

Vasoconstriction all over body, trough α1 adrenergic receptors)

Question 16

Equation for effective filtration pressure?

Answer 16

Peff = Pheff – Poeff

Question 17

Equation for flow rate in the capillaries?

Answer 17

Q = Peff x CFC)

Question 18

Factors of the diffusion rate?

Answer 18

conc. gradient and transit time of substance, and permability and diffusion area

Question 19

Method of measuring blood pressure?

Answer 19

Indirect, by auscultatory method, or by digital method

Question 20

How to determind diastolic pressure?

Answer 20

dissapperance of the tapping sound when releasing the cuff pressure

Question 21

ISF, what does it depend on?

Answer 21

blood pressure, hydrostatic pressure, oncotic pressure and tissue turgor

Question 22

Myogen, is it dependent on the CNS?

Answer 22

(Independent)

Question 23

What happens when you get a local hypoxia?

Answer 23

metatrioles contract due to increased hydrostatic pressure

Question 24

Is pulse pressure age dependent? Why?

Answer 24

Yes, because systolic increase and diastolic decrease by age

Question 25

Equation for mean arterial pressure?

Answer 25

Pavarage = (Psystolic + 2xPdiastolic) / 3

Question 26

How to measure systolic pressure?

Answer 26

First sound when releasing pressure in cuff

Question 27

How to measure blood pressure by ausculatory method?

Answer 27

by using the Riva-Rocci sphygmomanometer

Question 28

Effect of prolonged perfusion with ringer’s solution?

Answer 28

oedema

Question 29

What blood cell type is mainly in mural flow?

Answer 29

white

Question 30

What effect does verapamil have on the heart muscle

Answer 30

cat+ channels blocked

Question 31

describe a normal p wave

Answer 31

atrial contraction

Question 32

list the 4 main effects of epinephrine

Answer 32

chronotropic
bathmotropic
bromotropic
inotropic

Question 33

what enzyme does strophantine-G inhibit

Answer 33

Na+/K+ atpase

Question 34

what effect does strophantine- g on the stimulus conduction in the AV node

Answer 34

negative dromotropic effect

Question 35

what type of channels does verapamil block

Answer 35

ca+

Question 36

lead 2

Answer 36

right arm and left leg

Question 37

lead 1

Answer 37

right arm and left arm

Question 38

lead 3

Answer 38

left arm and left leg

Question 39

what type of adrenoreceptors does propranolol inhibit

Answer 39

B1 and B2