BIOL 2312 Exam 2 QUIZLET
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161 Terms
S wave
Identify the indicated portion of the EKG.
P wave
Identify the indicated portion of the EKG.
R wave
Identify the indicated portion of the EKG.
T wave
Identify the indicated portion of the EKG.
ST segment
Identify the indicated portion of the EKG.
QRS complex
Identify the indicated portion of the EKG.
QT interval
Identify the indicated portion of the EKG.
left
Which ventricle has a larger, denser, and more elaborate network of purkinje fibers?
sinoatrial node
Which structure in the intrinsic conduction system of the heart is called the pacemaker?
ventricular depolarization
What cardiac event results in the QRS complex?
diastolic
What is the lower pressure measurement of a blood pressure reading called?
bradycardia
A heart rate below 60 beats/min is referred to as [x1].
fibrillation
A condition of rapid uncoordinated heart contractions is referred to as [x1].
systolic
What is the higher pressure measurement of a blood pressure reading called?
no
Do the apical pulse sounds occur at the same time as the radial pulse sounds?
thymus
In which primary lymph organ do T lymphocytes mature?
lymph
What do we call the interstitial fluid collected from the tissues and returned to the blood vessels?
right lymphatic duct
What do we call the vessel that collects interstitial fluid from the tissues of the right upper extremity, head, and thorax, and empties it into the right subclavian vein where it meets the internal jugular vein? (Note: this vessel is not present in all individuals.)
right subclavian vein
Identify the indicated blood vessel.
T lymphocytes
What type of lymphocytes mediate cellular immunity?
subendothelium
Identify the indicated layer of the wall of the blood vessel.
increases
What effect does decreased vessel diameter tend to have on blood pressure?
increases
What effect does increased blood volume tend to have on blood pressure?
120/80 mm Hg
What is a normal value for blood pressure?
sound of Korotkoff
What are the sounds that indicate the resumption of blood flow into the forearm after the pressure has been eased from a blood pressure cuff?
decreases
What effect does decreased blood volume tend to have on blood pressure?
decreases
What effect does decreased blood viscosity tend to have on blood pressure?
radial artery
Identify the indicated blood vessel.
brachial artery
Which artery did we listen to while we determined blood pressure?
ventricular
Which heart wave is larger in the frog heart, the one corresponding to atrial contraction or the one corresponding to ventricular contraction?
sphygmomanometer
What is the device used to measure blood pressure called?
relaxation period
During which portion of the ventricular contraction cycle was it possible to produce an extrasystole?
tunica externa
Identify the indicated layer of the wall of the blood vessel.
decreases
What effect does increased vessel diameter tend to have on blood pressure?
increases
What effect does increased blood viscosity tend to have on blood pressure?
increases
What is the effect on heart rate in the frog of epinephrine?
no
Is it possible to achieve tetany by applying multiple stimuli to the frog heart?
decreases
What is the effect on heart rate in the frog of pilocarpine?
E
Which of the indicated points on the diagram corresponds to the opening of the left atrioventricular valve?
A or E
Which of the indicated phases on the diagram corresponds to ventricular filling?
D
Which of the indicated points on the diagram corresponds to the closing of the aortic semilunar valve?
D
Which of the indicated points on the diagram corresponds to the dicrotic notch?
B
Which of the indicated phases on the diagram corresponds to isovolumetric contraction of the ventricle?
C
Which of the indicated phases on the diagram corresponds to ventricular ejection?
C
Which of the indicated points on the diagram corresponds to the opening of the aortic semilunar valve?
end diastolic volume
What cardiac cycle volume is indicated on the diagram?
B
Which of the indicated points on the diagram corresponds to the closing of the left atrioventricular valve?
end systolic volume
What cardiac cycle volume is indicated on the diagram?
stroke volume
What cardiac cycle volume is indicated on the diagram?
D
Which of the indicated phases on the diagram corresponds to isovolumetric relaxation of the ventricle?
tunica media
What is the middle tunic of a cardiovascular vessel called?
pulmonary
What is the circulatory pathway that supplies and drains the lungs?
decreases
What is the effect on heart rate in the frog of digitalis?
tunics
What is the general term for the three wall layers of a cardiovascular vessel?
decreases
What is the effect on heart rate in the frog of lowered temperature?
brachial vein
What vessel does the radial vein drain into?
brachiocephalic trunk
Name the first vessel to branch off of the aortic arch.
brachiocephalic trunk
Identify the indicated blood vessel.
atrial depolarization
What cardiac event results in the "P" wave?
increases
What is the effect on heart rate in the frog of atropine?
tunica intima
What is the innermost tunic of a cardiovascular vessel called?
fetal stage
At what stage of life does the circulation bypass the lungs?
systemic
What is the circulatory pathway that supplies and drains the entire body?
ventricular repolarization
What cardiac event results in the "T" wave?
subclavian vein
What vessel does the internal jugular vein drain into?
tachycardia
A heart rate of over 100 beats/min is referred to as [x1].
bundle branches
Identify the indicated portion of the intrinsic conduction system of the heart.
Purkinje fibers
Identify the indicated portion of the intrinsic conduction system of the heart.
atrioventricular bundle
Identify the indicated portion of the intrinsic conduction system of the heart.
atrioventricular node
Identify the indicated portion of the intrinsic conduction system of the heart.
sinoatrial node
Identify the indicated portion of the intrinsic conduction system of the heart.
great saphenous vein
Identify the indicated blood vessel.
lobar arteries
Identify the indicated blood vessel.
renal vein
Identify the indicated blood vessel.
arteries
What do we call blood vessels that carry blood away from the heart?
hepatic portal vein
What is the circulatory pathway that drains into the liver from the intestines?
cerebral arterial circle
What is the circulatory pathway that supplies the brain and serves as an anastomosis (confluence of vessels providing alternate pathways in case of obstruction)?
veins
What do we call blood vessels that carry blood toward the heart?
suprascapular artery
Identify the indicated blood vessel.
common carotid artery
Identify the indicated blood vessel.
circumflex humeral artery
Identify the indicated blood vessel.
axillary artery
Identify the indicated blood vessel.
maxillary artery
Identify the indicated blood vessel.
left subclavian artery
Identify the indicated blood vessel.
right subclavian artery
Identify the indicated blood vessel.
external jugular vein
Identify the indicated blood vessel.
external jugular vein
Identify the indicated blood vessel.
anterior tibial artery
Identify the indicated blood vessel.
renal artery
Identify the indicated blood vessel.
suprarenal artery
Identify the indicated blood vessel.
vertebral artery
Identify the indicated blood vessel.
superficial temporal artery
Identify the indicated blood vessel.
superior mesenteric artery
Identify the indicated blood vessel.
internal iliac artery
Identify the indicated blood vessel.
lateral circumflex femoral artery
Identify the indicated blood vessel.
common iliac artery
Identify the indicated blood vessel.
posterior tibial artery
Identify the indicated blood vessel.
femoral artery
Identify the indicated blood vessel.
external iliac artery
Identify the indicated blood vessel.
axillary vein
Identify the indicated blood vessel.
