CARDIO Flashcards
ANA/PHY/ECG/CARDIO CONDITIONS/AX/REHAB (145 cards)
The ___ extend through the interventricular septum toward the apex of the heart.
a. SA node
b. AV node
c. bundle of HIS
d. Purkinje fibers
c. bundle of HIS
Cardiac excitation normally begins in the:
a. SA node
b. AV node
c. bundle of HIS
d. Purkinje fibers
a. SA node
All of the following are true about the common carotid artery, EXCEPT:
a. Its branches are the external and internal common carotid artery.
b. The external common carotid artery will supply blood in the superficial structure of the skull.
c. The internal will turn into the MCA and PCA.
d. NOTA
c. The internal will turn into the MCA and PCA.
x PCA, / ACA
All of the following describes about the heart, EXCEPT:
a. For all its might, the heart is relatively small, same size as a closed fist.
b. The heart rests on the diaphragm, near the midline of thoracic cavity.
c. About 1/2 of the mass of the heart lies to the left of the body’s midline.
d. NOTA
c. About 1/2 of the mass of the heart lies to the left of the body’s midline.
(2/3)
The base of the heart is its posterior surface. It is formed by the atria (upper chambers) of the heart, mostly the left atrium.
a. First statement is true. Second statement is false.
b. First statement is false. Second statement is true.
c. Both statements are true.
d. Both statements are false.
c. Both statements are true.
The heart does not eject all of the blood it contains during systole. Instead, a small volume called the:
a. EDV
b. ESV
c. SV
d. CO
b. ESV
As afterload increases, the SV ejected by the ventricles ___:
a. increases
b. decreases
c. no change
d. AOTA
b. decreases
(afterload = pressure dapat lagpasan ng ventricles para open semilunar valves)
Point of Maximal Impulse:
a. This is where the contraction of the RA is more pronounced.
b. This is where the contraction of the RV is more pronounced.
c. This is where the contraction of the LA is more pronounced.
d. This is where the contraction of the LV is more pronounced.
d. This is where the contraction of the LV is more pronounced.
(Point of Maximal Impulse = rinig na rinig ang LV contraction)
Between the parietal and visceral serous pericardium is a closed space filled with pericardial fluid hich serves as a:
a. Lubricant allowing the two surfaces to slide past one another.
b. Lubricant allowing the two surfaces to contract to one another.
c. Lubricant allowing the two surfaces to stay on one another.
d. Lubricant allowing the two surfaces to rise on one another.
a. Lubricant allowing the two surfaces to slide past one another.
SV will ___ with an increase in preload.
a. increase
b. decrease
c. both
d. no change
a. increase
SV will ___ with an increase in afterload.
a. increase
b. decrease
c. both
d. no change
b. decrease
The thick middle layer of the heart.
a. epicardium
b. endocardium
c. myocardium
d. AOTA
c. myocardium
Visceral pericardium
a. epicardium
b. endocardium
c. myocardium
d. AOTA
a. epicardium
Heart rate less than 60bpm
a. tachycardia
b. bradycardia
c. ventricular fibrillation
d. PVC
b. bradycardia
As the ventricles continue to relax, the pressure falls quickly. When ventricular pressure drops below atrial pressure, the AV valves open, and ____ begins.
a. ventricular filling
b. isovolumetric contraction
c. ejection phase
d. AOTA
a. ventricular filling
The large diameter ___ rapidly conduct the action potential beginning at the apex of the heart upward to the remainder of the ventricular myocardium.
a. SA node
b. AV node
c. bundle of HIS
d. Purkinje fibers
d. Purkinje fibers
During phase 0 of the cardiac action potential, there is rapid influx of this ion:
a. sodium
b. oxygen
c. hydrogen
d. potassium
e. calcium
a. sodium
This opening existed in the fetal heart
a. Fossa ovalis
b. Foraman ovale
c. Foramen ovale
d. B and C
c. Foramen ovale
The descending aorta will turn into:
a. thoracic aorta
b. common carotid artery
c. subclavian artery
d. NOTA
a. thoracic aorta
The aortic semilunar valve opens at approximately ___ ventricular pressure.
a. 90 mmHg
b. 80 mmHg
c. 70 mmHg
d. 100 mmHg
b. 80 mmHg
The pulmonary semilunar valve opens at approximately ___ ventricular pressure.
a. 9 mmHg
b. 8 mmHg
c. 7 mmHg
d. 100 mmHg
b. 8 mmHg
A low-pitched sound, often described as “lubb”
a. first heart sound
b. second heart sound
c. third heart sound
d. fourth heart sound
a. first heart sound
A.K.A. S1
Higher-pitched sound often described as “dubb”
a. first heart sound
b. second heart sound
c. third heart sound
d. fourth heart sound
b. second heart sound
A.K.A S2
The primary function of the AV valves is to prevent backflow of blood into the atria during ventricular
a. relaxation
b. contraction
c. both
d. NOTA
b. contraction