ACBS 400B exam 1 ACTUAL exam: QUESTION AND ANSWERS
ACBS 400B exam 1
UPDATED 2025
Study online at https://quizlet.com/_ei5s87
1. Which of these is the oldest dog Saluki
breed?
2. What layer of the blood vessel tunica intima
contains the endothelium?
3. What blood vessel feeds into the Pulmonary viens
left atrium?
4. which node initiates the signal to sinoatrial (SA)
the myocardial cells
5. which of these is the outermost parietal pericardium
layer of the pericardium
6. how fast is the heart rate of an 1,200
active hummingbird
7. What phase only has a K+ efflux phase 3
8. At what phase do Ca2+ currents Phase 2
stabilize the AP into a plateau
9. what type of receptors are used Beta adrenergic receptors
for Ca2+ phosphorylation-depen-
dent channels
10. what ion initiates a fast response Na
signal propagation
11. Which reptile has a 4 chambered croccodile
heart instead of 3 chamber
12. Lead 2
, ACBS 400B exam 1
Study online at https://quizlet.com/_ei5s87
which lead is used for the ECG in
snall animals
13. What part of the ECG wave is asso- P wave
ciated with the depolarization of
the atria
14. which of these happen due to in- tachycardia
creased sympathetic tone
15. which of these interrupts repolar- early afterpolarization
ization
16. which animal has the slowest blue whate 4-8 bpm
heartbeat
17. which of these is not a conduction 2nd degree SA node
black
(AV node blocks: 1, 2, mobitz 1/2, 3rd degree)
uni / bi directional
18. What part of the vasculature con- capillaries
tains the least amount of blood at
any given time
19. what muscle mechanism is associ- isometric
ated with constant muscle length
but increased tension
20. whihc of these animals has blue octopus
blood
21. isovolumetric relaxation
, ACBS 400B exam 1
Study online at https://quizlet.com/_ei5s87
which part of the cardiac cycle is
associated with the relaxation of
the ventricles
22. at what point in the cardiac cylce rapid filling
does blood flow from the atria to
the ventricles
23. at peak systolic pressure, what 20-25mmHg
is the pressure in the pulmonary
artery
24. in the pressure-volume diagram, Point 3
what point is associated with pres-
sure increase but no ejection
25. which of these causes an increase Preload
of end-diastolic volume
26. How fast an a cheetahs heart go 250 bpm
when it
27. which of these is associated with lusitropic reserve
reduced contractility
28. which adrenergic receptor is Beta 1
found on the heart
29. which of these directly causes va- nitric oxide
sodilation
30. where does the parasympathetic atria
nervous system innervate on the
heart
ACBS 400B exam 1
UPDATED 2025
Study online at https://quizlet.com/_ei5s87
1. Which of these is the oldest dog Saluki
breed?
2. What layer of the blood vessel tunica intima
contains the endothelium?
3. What blood vessel feeds into the Pulmonary viens
left atrium?
4. which node initiates the signal to sinoatrial (SA)
the myocardial cells
5. which of these is the outermost parietal pericardium
layer of the pericardium
6. how fast is the heart rate of an 1,200
active hummingbird
7. What phase only has a K+ efflux phase 3
8. At what phase do Ca2+ currents Phase 2
stabilize the AP into a plateau
9. what type of receptors are used Beta adrenergic receptors
for Ca2+ phosphorylation-depen-
dent channels
10. what ion initiates a fast response Na
signal propagation
11. Which reptile has a 4 chambered croccodile
heart instead of 3 chamber
12. Lead 2
, ACBS 400B exam 1
Study online at https://quizlet.com/_ei5s87
which lead is used for the ECG in
snall animals
13. What part of the ECG wave is asso- P wave
ciated with the depolarization of
the atria
14. which of these happen due to in- tachycardia
creased sympathetic tone
15. which of these interrupts repolar- early afterpolarization
ization
16. which animal has the slowest blue whate 4-8 bpm
heartbeat
17. which of these is not a conduction 2nd degree SA node
black
(AV node blocks: 1, 2, mobitz 1/2, 3rd degree)
uni / bi directional
18. What part of the vasculature con- capillaries
tains the least amount of blood at
any given time
19. what muscle mechanism is associ- isometric
ated with constant muscle length
but increased tension
20. whihc of these animals has blue octopus
blood
21. isovolumetric relaxation
, ACBS 400B exam 1
Study online at https://quizlet.com/_ei5s87
which part of the cardiac cycle is
associated with the relaxation of
the ventricles
22. at what point in the cardiac cylce rapid filling
does blood flow from the atria to
the ventricles
23. at peak systolic pressure, what 20-25mmHg
is the pressure in the pulmonary
artery
24. in the pressure-volume diagram, Point 3
what point is associated with pres-
sure increase but no ejection
25. which of these causes an increase Preload
of end-diastolic volume
26. How fast an a cheetahs heart go 250 bpm
when it
27. which of these is associated with lusitropic reserve
reduced contractility
28. which adrenergic receptor is Beta 1
found on the heart
29. which of these directly causes va- nitric oxide
sodilation
30. where does the parasympathetic atria
nervous system innervate on the
heart
