Review Q's Week 1 Flashcards
1. Anatomy of the heart (1-59) 2. Physiology humoral n nonhumoral factors (60-85) 3. seminar (86-128) 4. pathology of hypertension (129-145) 5. patho lab of hypertension (146-153) 6. renin system pharma (154-174) 7. vasculation of heart anatomy (175-222) 8. clinical aspects of hypertension (223-245)
What produces the second heart sound?
In ventricular diastole, when the pressure is low in the ventricle and high in aorta and pulmonary trunk. The blood wants to backflow, but instead the close the semilunar valves are shut. This shutting is what causes the dub
What is the third elevation called?
incisura (or dicrotic notch)
Which grade of hypertensive retinopathy causes papilloedema?
Grade 4
What causes the double peak in systole in bispheriens pulse?
anterior motion of mitral valve
What is a potential issue that may develop after endothelial destruction?
Atherosclerosis
Which vegal branch supplies the superficial cardiac plexus?
inferior branch of left vagus
(the rest supply the deep cardiac plexus)
Which body reflex prevents pulmonary edema?
the atrial mechanoreceptor reflex
(AKA Bainbridge reflex or cardiopulmonary reflex)
What structure allows from communication between atria and ventricles?
atrioventricular orifice
(protected by the tricuspid valve on the left side and the bicuspid valve on the right)
Which of the following has two cusps?
a. aortic valve
b. pulmonary valve
c. both
d. neither
d. neither
Which is most likely?
a. Primary hypertension
b. Accelerated hypertension
c. Secondary hypertension
d. Essential hypertension
b. Accelerated hypertension
Which is located anteriorly in the sulcus between the ventricles?
a. small cardiac vein
b. middle cardiac vein
c. great cardiac vein
c. great cardiac vein
Describe the diastolic pressure if the heart rate and vascular resistance are low.
diastolic pressure would be low. The low heart rate would give the blood plenty of time to run off to the periphery; the vascular resistance is also low, so it would make it easier for the blood to run off into the circulation. -> low diastole
Where does blood flow during arterial septal defects? Why?
flows from left to right (at the beginning) because the left has higher pressure
Which two of the following adrenergic receptors does norepinephrine have a higher affinity for?
a. alpha 1
b. alpha 2
c. beta 1
d. beta 2
a. alpha 1
+
c. beta 1
Which is associated with Watson’s water hammer?
a. aortic stenosis
b. aortic insufficiency
b. aortic insufficiency
(Watson’s water hammer AKA bounding pulse AKA Corrigan’s pulse)
Which of the following increases calcium by releasing Ca from intracellular stores?
a. DAG
b. IP3
b. IP3
The aortic pressure is described as rising in a “tardus” manner, what does this mean? What condition could this be an indicator or?
tardus means slow; the pressure of the aorta would be rising slowly, which could indicate aortic stenosis
A patient comes in with weakness, dizziness, and perspiration. He compains of pain in his chest and left arm. Which nerves are conveying the pain? What can you give the patient to relief symptoms?
Pain sensation conveyed through sympathetic nerves of the heart (T1-T5 segment of the spinal cord)
Sublingual nitroglycerin is placed under the tongue (rapid absorption) to dilate the coronary arteries.
How does angiotensin 2 affect blood pressure? explain.
it increases BP by vasoconstriction and helping release aldosterone and vasopressin/ADH which then reabsorb Na and water
(it also indirectly enhances sympathetic activity by increasing NA release and by increasing reactivity to adrenergic stimulation)
Give me four vasodilators/activators of NO synthase.
Acetylcholine (usually)
Adenosine
Bradykinin
Substance-P
What three structures bring blood to the right atrium?
IVC, SVC, coronary sinus
Where do each of the following types of hemorrhages occur?
intercerebral is associated with hypertension
epidural is due to trauma
Which two of the following adrenergic receptors does epinephrine have a higher affinity for?
a. alpha 1
b. alpha 2
c. beta 1
d. beta 2
c. beta 1
+
d. beta 2
T/F: beta blockers are initiating drugs of hypertension treatment
False; beta blockers were used as initiating drugs, now we only use them in special circumstances
(ex/ angina and heart failure, and in heart failure we use a specific beta blocker)
During high blood pressure, how will baroreceptors act on vasopressin, sympathetic, and parasympathetic activity?
decrease vasopressin
decrease sympathetic activity
increase parasympathetic activity
What degrades natriuretic peptides?
Neprilysin
Which drugs reduce arteriolar and ventricular remodeling?
losartan + valsartan
(Angiotensin receptor blockers)
What two things separate the heart from the lungs?
pericardium and pleura
Describe the location of the small cardiac vein. What is it adjacent to?
between the right atrium and ventricle
Find the Posterior vein of the left ventricle
What are Lacunar Infarcts? Where are they common?
They are small noncortical infarcts caused by occlusion of a single penetrating branch of a large cerebral artery.
Most common in basal ganglia, deep white matter, and brain stem.
Which part of the interventricular septum is more likely to be defective?
membranous part (not muscular part)
When a patient is lying supine, at which vertebral level is the heart situated in?
a. T5-T7
b. T5-T8
c. T6-T8
d. T6-T9
b. T5-T8
Aortic stenosis results in? (3 things)
reduces stroke volume
a slow rising arterial waveform
late peaks in systole
Which of the following peaks in systole and diastole?
a. bispheriens pulse
b. dicrotic pulse
c. both
d. neither
b. dicrotic pulse
identify the black arrow
Right marginal artery
(aka acute marginal artery)
What’s a branch of the circumflex artery?
left marginal artery (or obtuse marginal artery)
Beta-blockers to give in heart failure patients are
carvedilol
metoprolol succinate
bisoprolol or nebivolol
The arterial pressure slope of the descending limb is determined by
systemic vascular resistance (SVR)
What are the four ways the sympathetic fibers stimulate the action of the heart?
↑ heart rate
↑ impulse conduction
↑ contraction force
↑ blood flow
A patient has a blood pressure of 169/90. Which hypertension grade is he in?
grade 2 (if one value crosses the threshold, thats enough to move into the stage)
grade 1 is 140/90 to 159/99
grade 2 is 160/100 to 179/109
grade 3 is 180/110 or higher
musculi pectinati originates from which of the following?
a. limbus fossa ovalis
b. Sulcus terminalis
c. fossa ovalis
d. crista terminalis
d. crista terminalis
Describe the diastolic pressure if the heart rate and vascular resistance are high.
diastolic pressure would be high. The high heart rate wouldn’t give enough time for the blood to run off to the periphery; the vascular resistance is also high, so it would make it hard for the blood to run off into the circulation. -> high diastole
What causes transient tachycardia that’s caused by norepinephrine release?
activation of beta 1 adrenergic receptors
How does the anacrotic notch affect arterial blood pressure?
distorts the pressure upstroke
What structure is found in “a”?
SA node
What’s found laterally to the heart?
lungs
Which is more effective in reducing blood pressure and ventricular hypertrophy?
a. aliskiren
b. lisonopril +captopril
c. valsaratan + losartan
a. aliskiren
what causes disc edema with splinter hemorrhages?
severe hypertension
(disc edema=Papilledema; and the splinter hemorrhage is in picture)
What are two syndromes associated with aortic dissection?
Marfan and Turner syndrome
identify
sinoatrial nodal artery
Which of the following is used to perform ligation in surgery?
a. transverse pericardial sinus
b. oblique pericardial sinus
a. transverse pericardial sinus
How can we reduce mortality in heart failure patients?
sacubitril (neprilysin inhibitor) and valsartan (angiotension II receptor blocker)
** this combo is called ARNI
How do you tell the difference between pathological and physiological hypertrophy of the heart?
pathological hypertrophy is usually when the patient is obese and the heart enlarges so it can pump efficiently to the body
physiological hypertrophy is then the person is an athlete (Athletic heart syndrome)
in pathological hypertrophy the heart rate is high but in physiological hypertrophy, the resting heart rate is low
Which grade of Hypertensive Retinopathy is this?
grade 4, this is is papilloedema
The blood is pumped in the right ventricle to go to ___ via ___
the lungs via the pulmonary trunk
Which of the following are renin competitive inhibitors?
a. aliskiren
b. lisonopril +captopril
c. valsaratan + losartan
a. aliskiren
Which of the following provides space for an enlarging heart?
a. transverse pericardial sinus
b. oblique pericardial sinus
b. oblique pericardial sinus
How do you locate the inferior border of the heart on a patient?
from the fifth intercostal space of the left side to the sixth costal cartilage
The smooth outflow part of the right ventricle is called
The smooth outflow part of the left ventricle is called
R-> the infundibulum
L-> Aortic vestibule
The outside portion of Crista terminalis is called?
Sulcus terminalis
Which second messenger does NO use to mediate vasodilation?
cGMP
The left coronary artery splits into
LAD (left anterior descending artery)
+
LCX (left circumflex artery)
Which of the following borders of the heart are mainly made up of the left atrium?
a. left border
b. right border
c. apex
d. superior border
e. inferior border
f. base of heart
d. superior border
+
f. base of heart
Where does the right coronary artery (RCA) originate?
Above the right cusp of the aortic valve
Where is the left auricle found? What is its function?
on the left atrium, it provides extra space for blood
What is this phenomenon? What causes it?
Fibrinoid Necrosis, occurs due to Malignant Hypertension
Where is the heart located?
a. superior mediastinum
b. middle mediastinum
c. inferior mediastinum
b. middle mediastinum
The image is indicative of
a. Benign nephrosclerosis
b. Malignant nephrosclerosis
Benign hypertension
Describe an anacrotic pulse
slow rise, later peak, and less stroke volume
Whats the diagnosis?
Intracerebral hemorrhage
What does it mean when the arterial pressure slope of the ascending limb is not steep (slowly rising pressure)?
high afterload (slow ejection ex/ arterial stenosis)
Which of the following sounds are classically heard in diastole?
a. S1
b. S2
c. S3
d. S4
b. S2
Which ventricle has a C shaped lumen?
the right ventricle
Which of the following is both sympathetic and parasympathetic activity activated?
a. brain ischemic reflex
b. crushing reflex
c. baroreceptor reflex
d. bainbridge reflex
e. atrial chemoreceptor reflex
e. atrial chemoreceptor reflex
What kind of pulse is this? What does it indicate?
Dicrotic pulse (2 peaks in once cycle, one in systole and one in diastole)
indicates heart failure /shock
Which cells produce nitric oxide? What stimulates their synthesis?
endothelial cells; blood flow shearing forces and NO-dependent vasodilators stimulate synthesis.
What is a high normal BP?
130-139/85-89
What is the incisura? (whats its other name?)
the incisura (aka the dicrotic notch) is a lowering in the arterial pressure due to the closure of the aortic valve (occurs at the beginning of diastole)
Which of the following is NOT a function of NO?
a. antiproliferative
b. antithrombotic
c. antiinflammatory
d. they’re all NO functions
d. they’re all NO functions
Which of the following is the diagram a representation of? explain.
a. bigeminal pulse
b. pulsus alternans
b. pulsus alternans
the pulses in pulsus alternans is regular while the pulses in bigeminal pulse occur irregularly (not the same distance between each pulse)
Describe the relationship between compliance and pressure
inversely proportional
How do you calculate Blood Pressure? (what’s the formula)
cardiac output X peripheral resistance
How does sleep apnea cause hypertension?
the body is afraid of hypoxia in sleep so it produces adrenaline, that leads to hypertension
Which artery accompanies the phrenic nerve?
pericardiacophrenic artery
Damage to which node is called heart block?
AV node (if defective, conductance will not reach the ventricles)
What kind of pulse is this? What does it indicate?
bispheriens pulse
occurs in hypertrophic cardiomyopathy
What artery supplies the posterior third of the interventricular septum?
PDA posterior descending artery
Which of the following sounds is heard when both the mitral and tricuspid valves are closed?
a. S1
b. S2
c. S3
d. S4
a. S1
(at systole)
Which of the following does the transverse pericardial sinus lie anterior of?
a. aorta
b. vena cava
c. pulmonary trunk
b. vena cava
(it lies behind/posterior to the other two options)
How do you locate the superior border of the heart on a patient?
it’s from the second costal cartilage of the left side to the third costal cartilage of the right side
What is the ventriculo-aortic pressure gradient and what does it cause?
Its the pressure difference between the ventricle and the aorta, it causes the blood to move out of the ventricle and into the circulation.
Which of the following borders of the heart are mainly made up of the right atrium? (one or more)
a. left border
b. right border
c. apex
d. superior border
e. inferior border
f. base of heart
b. right border
How does vascular resistance affect the slope of the descending limb of the arterial pressure?
more vascular pressure, less steep slope
Which of the following has two anterior cusps
a. aortic valve
b. pulmonary valve
c. both
d. neither
a. aortic valve
Which bundle branch receives blood from the left coronary artery?
both bundle branches
(right bundle branch blood from both right & left coronary arteries, while the left only from the left coronary artery)
Which has a side effect of fetal anomalies?
a. aliskiren
b. lisonopril +captopril
c. valsaratan + losartan
b. lisonopril +captopril
Which of the following peaks in systole?
a. bispheriens pulse
b. dicrotic pulse
c. both
d. neither
c. both