Question 1

The _____ are the heart chambers that pump blood.

Accepted Answer

The answer of The _____ are the heart chambers that...

Question 2

Stimulation of beta? receptor sites results in _____.

Accepted Answer

A)  increased heart rate 
B)  peripheral vasoconstriction 
C)  constriction of renal blood vessels 
D)  relaxation of bronchial smooth muscle

Question 3

Name the two main branches of the left coronary artery.

Accepted Answer

The answer of Name the two main branches of the...

Question 4

Complete occlusion of the _____ coronary artery,also referred to as the widow maker,usually results in sudden death.

Accepted Answer

A)  right 
B)  left main 
C)  circumflex 
D)  left anterior descending

Question 5

MATCHING
-Baroreceptors

Accepted Answer

A) _____ in myocardial cells function as electrical connections and allow the cells to conduct electrical impulses very rapidly. 
B) Typically results when the heart's demand for oxygen exceeds its supply from the coronary circulation 
C) Specialized nerve tissue located in the internal carotid arteries and the aortic arch that detect changes in blood pressure 
D) The _____ septum separates the right and left atria. 
E) Electrolyte very important in cardiac muscle contraction.
F)A negative _____ effect refers to a decrease in heart rate.
G)Space between the lungs that contains the heart,great vessels,trachea,and esophagus,among other structures
H)Pulmonary arteries and veins,aorta,superior and inferior vena cavae
I)Term used to refer to distinct conditions caused by a similar sequence of pathologic events-a temporary or permanent blockage of a coronary artery
J)Amount of blood flowing into the right atrium each minute from the systemic circulation
K)Sensors in the internal carotid arteries and aortic arch that detect changes in the concentration of hydrogen ions (pH),oxygen,and carbon dioxide in the blood
L)A buildup of excess blood or fluid in the pericardial space can cause cardiac _____.

Question 6

The _____ artery supplies the right atrium and ventricle with blood.

Accepted Answer

A)  right coronary 
B)  left main coronary 
C)  left circumflex 
D)  left anterior descending

Exam 1: Anatomy and Physiology

The _____ are the heart chambers that pump blood.

Stimulation of beta? receptor sites results in _____.

Name the two main branches of the left coronary artery.

Complete occlusion of the _____ coronary artery,also referred to as the widow maker,usually results in sudden death.

MATCHING -Baroreceptors

The _____ artery supplies the right atrium and ventricle with blood.