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A&P 2402 exam 3
exam 3
87
Physiology
Undergraduate 2
11/18/2012

Additional Physiology Flashcards

 


 

Cards

Term

the heart is most with its use of?

 

 

Definition
oxygen
Term
the masss of meoderm which develops in the anterior end of the embryo about two weeks of age?
Definition
Cardiogenic  plate
Term
________develops by the end of the 2nd week ( rt/lt endocardial tubes to form the________by the end of the  3rd week.
Definition

the endocardial tubes by the 2nd week

 

primitive heart by the 3rd week

Term

In a fetus the the primitive heart develops into 5 regions  which are?????

  • ?
  • ?
  • ?
  • ?
  • ?
Definition

1. the truncus arteriousus 

2. The bulbus cordis

3. Atrium

4. Ventricle

5. Sinus Venosus

Term
what is the the interial septum ???
Definition

this is a wall that divides the right and left atrium with the foramen ovale

 

Note : Foramen ovale is a hole in a fetus in an adult its called fossa ovalis

Term
In a fetus what forms the aorta?
Definition
bulbus cordis
Term
in a fetus what form the truncus arteriosus?
Definition
Pulmonary Trunk and the asscending aorta
Term

TRUE OR FALSE:


The great veins form from the venous end of the primitive heart?

 

 

Definition
TRUE!
Term

whats its called when the aortic lumen is narrowed?

[image]

Definition
Coarctation of the aorta
Term

what is called when the you have abnormal blood flow in a baby ..

The opening allows oxygen-rich blood from the aorta to mix with oxygen-poor blood from the pulmonary artery. This can strain the heart and increase blood pressure in the lung arteries.

 [image]
Definition

Patent Ductus anteriosus

 

Patent means hole[image]

Term

what is it when you have a hole in the your 

divider  upper part of your heart?

[image]

Definition
atrial septal defect
Term

an abonormal opening between the ventricles the thicker part of the wall blood passes  from the left to the right which is allowing the mixing of the blood

 

 

 

 

[image]

Definition
ventricular septal defect
Term

the heart is located obliquely between the lunges in the area known as the????

 

Definition
Mediastinum
Term
Contraction in the heart is known as ?
Definition
sistole 
Term
the term systemic means?
Definition
all over the body
Term

if your heart is not contracting (systole) then it is relaxed known as Diastole. 

 

 

TRUE or Flase

Definition
True
Term

what is this called:

  

made up of fibrous connective tissue, resembles a bag ( remember the heart cat)

 

 

Hint: this covers the heart

Definition
Fibrous pericardium
Term

Coverings of the heart:

 

 

Name the two layers that make up the Serous pericardium

Definition

-        Visceral/ epicardium layer which is stuck to the myocardium which is the heart muscle covering it…

Parietal layer is right under the fibrous but in between the visceral and parietal is fluid called pericardial fluid

Term

When the heart does the Following is it called? 


 pressure on the heart muscle which occurs when the pericardial space fills up with fluid faster than the pericardial sac can stretch.

Definition
*** If pericardial fluid begins to  accumulate causes cardiac tamponade
Term
This Condition is known as:
 
a condition in which the membrane, or sac, around your heart is inflamed. This sac is called the pericardium (per-ih-KAR-deum).
The pericardium holds the heart in place and helps it work properly. The sac is made of two thin layers of tissue that enclose your heart. Between the two
layers is a small amount of fluid. This fluid keeps the layers from rubbing against each other and causing friction.
Definition
Percarditis
Term

the heart wall:

 

the epicardium is also known as the ________and is located in the ____________

Definition

Visceral

 

is located in the serous pericardium

 

Term
the heart muscle is called???
Definition
myocardium
Term

in the myocardium the folds and the bridges

are called ?

Definition
Trabeculae carnae
Term

the folds and bridges in the myocardium is known as_______and conical extensions are 

Called__________.

Definition

1.trabeculae

2.papillary muscles

Term
the "heart strings" are called??? go from the papillary msucle to cusps of the AV Valves. These are fibrous strands.
Definition
Carnae tendinae
Term

The inside of the heart: The lining of the heart is called???

 

Definition
Endocardium
Term

atrioventricular Valve is located 

where?

 

AKA: AV

Definition
lies between the atria and the ventricles
Term

the atrioventricular valves are made of two vavles which are ?

 

the right side is called_______valve has 3 flaps or cusps

The left side is called_____Valve Or AKA the ____Valve has 2 flaps or cusps

Definition

the Rt: is tricuspid

the lt: is bicuspid or AKA Mitral

Term
what is the purpose of the semilunar valves?
Definition
prevents the blood to flow back into the heart
Term

 

True or False

 

pulmonary semilunar valve is located on the left side of the heart

Definition
false, its is located on the right side of the heart between the rt atrium
Term
what valve is located on the left side next to the aorta??
Definition
aortic semilunar valve
Term

which artery is anterior interventricular supplies walls to both vent Aka L.A.D

CIRCUMFLEX SUPP. LT. VENT & LT ATRIUM

Definition
LEFT CORNANRY ARTERY
Term

    Heart diseases have been the leading cause of death in the United States for many

decades.  It is estimated that well over ? people die annually from cardiovascular

disease in the United States.

A.2500; B. 50,000; C. 100,000; D. 500,000;

E. 1,000,000.

Definition
E. 1,000,000.
Term

   Which one of the following “risk factors” would be classifiedas an uncontrollable factor?


 

a. hypertention


B. elevated LDL’s;

 

C. father who died before age 55 with MI;


D. obesity;


E. nicotine fits.

 

Definition

C. father who died before age 55 with MI;


Term
Which “germ” layer is responsible for the formation of the heart?
Definition
mesoderm
Term

Which one of the following structures is the first to form in the embryonic heart?

Definition
cardiogenic plate
Term

1.     Which one of the following structures is responsible for the formation of the pulmonary

atery?

Definition
truncus arteriosus
Term
The site of the foramen ovale in the fetal heart is the:
Definition
interatrial septum
Term

  It is estimated that fetal heartbeat can be heard via ultrasound at what time period?

Definition
8-10 wks
Term

 In the middle of the thoracic cavity is an area where the heart is located.  The name of the space is the ?

Definition
mediastinum
Term

     The ductus arteriosus is associated with fetal circulation.  It is located between the ______________& ____________?

Definition
pulmonary artery & aorta
Term
Coarctation of the aorta means that: 
Definition
. the lumen of the aorta is too small or narrow
Term

The part of the serous pericardium that lines the outer portion of the  pericardial sac is called the:

Definition
parietal pericardium
Term

T-F The base of the heart is the inferior portion of the ventricles.

Definition
false
Term

   T-F Rubella is the name for German measles.

Definition
true
Term

T-F   The aorta exits the rt. ventricle, while the pulmonary artery exits the lt. Ventricle.

Definition
fasle
Term

   T-F a stenosed heart valve means that the valve is narrow and this was mentioned as  one of the congenital defects

Definition
true
Term
What famous cardiologist said:  “Heart disease before the age of 80 is not God’s will, but due to our own faults"
Definition
Paul Dudley White
Term
Which one of the following  cardiac “risk” factors is said to be the single most important preventable cause of death in the United States
Definition
smoking
Term
Which one of the following is not one of the conditions of the “tetralogy of Fallow?”
Definition
hypertrophy of the lt. ventricle wall
Term
Shortly after birth the ductus arteriosus closes leaving the remnant known as the??
Definition
ligamentum arteriosum
Term
Which one of the following vessels does NOT bring blood directly to the heart?
Definition
pulmonary artery
Term
Which one of the following valves allows deoxygenated blood to enter the pulmonary artery?
Definition
pulmonary semilunar
Term
Venus blood from the heart muscle empties into the
Definition
rt. atrium
Term
The “LAD”( left anteior desending) is a major branch of the:
Definition
left coronary atery
Term
Which one of the coronary branches supplies the lt. ventricle and the lt. atrium?
Definition
circumflex
Term
 Reduction of blood flow is called:
Definition
ischemia
Term
The pulmonary artery exits from the
Definition
rt. Ventricle
Term
Which one of the following is the first to collect deoxygenated blood from systemic circulation
Definition
. rt. atrium
Term
Which one of the following would increase blood holding capacity of the atria
Definition
auricles
Term

The papillary muscles:

A.    are found in the atria;

B. contract to close the foramen ovale;

C. are attached to the semilunarvalves;

                    D. are attached to the chordae tendineae;

                    E. surround the openings to the coronary arteries.

Definition

                    D. are attached to the chordae tendineae;


Term
The bulk of the heart wall is: 
Definition
Myocardium
Term

 

   Which of these structures returns blood to the right atrium?

A.    coronary sinus;

B. inferior vena cava;

C. superior vena cave;

D. both b & c;

E. all of the above.

Definition
E. all of the above.
Term

The valve located between the right atrium and the right ventricle is the:

A.aortic semilunar valve;

B. pulmonary semilunar valve;

C. tricuspid valve;

D. bicuspid valve;

E. Thebsian valve.

Definition

C. tricuspid valve;


Term

Cardiac tamponade has reference to :

                     A. narrowing of an artery such as the aorta;

                      B. a hole in the interventricular septum;

                      C. a stent in the lt. coronary artery;

                      D. a stenosed mitral valve;

                      E. compression of heart due to accumulation of fluid in the pericardium

Definition
                      E. compression of heart due to accumulation of fluid in the pericardium
Term
Coronary thrombosus is :
Definition
blockage of conary artery
Term
ischemia is what??
Definition
reduced blood supply, could translate to chest pain
Term

The SA node is located in the????????

Definition
rt. atrium
Term
Which of the following is not part of the conducting system of the heart
Definition
AV valve
Term

Given these structures of the conduction system of the heart:

(1) atrioventricular bundle;

(2) AV node;

(3) bundle branches;

(4) Purkinje fibers;

(5) SA node

Choose the arrangement that lists the structures in the order an action potential through them.

(a)  2,5,1,3,4;

(b) 2,5,3,1,4;

c) 2,5,4,1,3;

D. 5,2,1,3,4;

E. 5,2,4,3,1

Definition
D. 5,2,1,3,4;
Term

Which of these conditions observed in an electrocardiogram suggests that the AV node is not conducting action potentials?

Definition
complete lack of the QRS complex
Term

The T wave on an EKG represents


A, atrial depolarization;

B. Purkinje fiber repolarization;

C. ventricular depolarization;

D. atrial repolarization;

E. ventricular repolarization

Definition
E. ventricular repolarization
Term

The Purkinje fibers are associated with which of the following


A. superior portion of the interventricular septum;

B. upper portion of the rt. atrium;

c.lower  portion of the interatrial septum

D. cells of the myocardium;

E. along the sides of the interventricular septum

Definition
D. cells of the myocardium;
Term

Where the P-R interval is greater than 0.2 sec. is characteristic of which one of the following heart blocks?

A. Mobitz I;

B. Third Degree;

C. First Degree;

D. Mobitz II;

E. Wenchebach.

Definition

C. First Degree;


Term

The length of time it takes for a cardiac cycle to occur is usually:

A. .04 sec.;

B. .2 sec;

C. .4 sec.;

D. .6 sec.;

E. .8 sec

Definition
E. 8sec
Term

While the semilunar valves are open during a normal cardiac cycle, the pressure in the lt. ventricle is:

A.greater than the pressure in the aorta;

B. less than the pressure in the aorta;

C. the same as the pressure in the lt. atrium;

D. less than the pressure in the lt. atrium;

E. none of these adequately describe the situation when the semilunar valves are open

Definition
A.greater than the pressure in the aorta;
Term

10. The enzyme that was discussed as being unique to cardiac muscle was:

             A. SGOT; B. CK-MB; C. LDH; D. CPK: E. acetylcholine esterase.

Definition
B. CK-MB
Term
The action of listening to sounds within the body is called:
Definition
auscultation
Term

The “lubb” sound (first heart sound) of the heart is caused by the:

A. closing of the semilunar valves; 

B. closing of the AV valves;

C. blood rushing out of the ventricles;

            D. filling of the ventricles;

            E. ventricularcontraction

Definition
B. closing of the AV valves
Term

During transmission of action potentials through the conducting system of the heart, there is temporary delay at the:

A.    bundle branches;

B. Purkinje fibers;

C. SA node;

D. AV bundle;

E. AV node.

Definition
E. AV node.
Term

Based on our discussion concerning heart transplants and heart rate, which endocrine gland did we emphasize that produces a hormone that affects heart rate?

 A. pituitary;

 B. pancreas;

C. adrenal;

D. thyroid;

E. thymus.

Definition
C. adrenal;
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