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A&P cardiovascular
| Question | Answer |
|---|---|
| CARDIAC OUTPUT | AMOUNT OF BLOOD PUMPED BY EACH VENTRICLE IN ONE MINUTE |
| WHAT WOULD LEAD TO A DECREASE IN HEART RATE | PARASYMPTHETIC STIMULATION |
| IN THE FETUS, BLOOD FROM THE LEFT AND RIGHT SIDES NORMALLY MIX | TRUE |
| STROKE VOLUME | VOLUME OF BLOOD PUMPED BY ONE VENTRICLE WITH EACH HEART BEAT |
| SECOND HEART SOUND IS CAUSED BY | CLOSURE OF THE SEMILUNAR VALVE |
| P WAVE OF THE ECG | ATRIAL DEPOLARIZATION |
| ROLE OF THE AV NODE | SLOW DOWN IMPULSES SO THAT THE ATRIA CAN CONTRACT TO FILL THE ADJACENT VENTRICLES WITH BLOOD |
| DIFFERENCES BETWEEN SKELETAL AND CARDIAC MUSCLES | UNLIKE SKELETAL MUSCLES, CARDIAC MUSCLES CAN BE AUTORHYTHMIC |
| CIRCUMFLEX ARTERY | SUPPLIES BLOOD TO THE LEFT ATRIUM AND POSTERIOR WALLS OF THE LEFT VENTRICLE |
| ANTERIOR VENTRICULAR ARTERY | SUPPLIES BLOOD TO THE INTERVENTRICULAR SEPTUM AND ANTERIOR WALLS OF BOTH VENTRICLES |
| POSTERIOR INTERVENTRICULAR ARTERY | RUNS THE APEX OF THE HEART |
| During pulmonary circulation blood leaves the: | right ventricle and moves to the lungs. |
| During systemic circulation blood leaves the: | left ventricle and goes directly to the aorta |
| The absolute refractory period refers to the time during which: | the muscle cell is not in a position to respond to a stimulus of any strength |
| The cardiac cycle includes all of the following events, except: | the number of times the heart beats in one minute. |
| The vessels that carry oxygen to the myocardial cells are called: | coronary arteries |
| The cells of the myocardium behave as a single, coordinated unit called a: | functional syncytium. |
| The ability of some cardiac muscle cells to initiate their own depolarization and cause depolarization of the rest of the heart is called: | automaticity. |
| the following structures lies on the outside surface of the heart and is an integral part of the cardiac wall? | EPICARDIUM |
| PART OF THE HEART THAT IS CONSIDERED THE SYSTEMIC CIRCUIT PUMP | LEFT VENTRICLE |
| THE ARE ATTACHED TO THE AV VALVE FLAPS | chordae tendineae |
| An enlarged R wave on an ECG would indicate: | AN ENLARGED VENTRICLE |
| VENTRICULAR DEPOLARIZATION | QRS COMPLEX |
| ATRIAL DEPOLARIZATION | P WAVE |
| VENTRICULAR REPOLARIZATION | T WAVE |
| A faster depolarizing pacemaker | SA NODE |
| A slower depolarizing pacemaker | AV NODE |
| Brings oxygen-rich blood from the lungs to the left atrium | PULMONARY VEINS |
| RIGHT VENTRICLE SENDS BLOOD INTO THIS VESSEL | PULMONARY TRUNK |
| BRINGS OXYGEN POOR BLOOD FROM LOWER BODY TO RIGHT ATRIUM | INFERIOR VENA CAVA |
| BRINGS OXYGEN POOR BLOOD FROM THE UPPER BODY TO THE RIGHT ATRIUM | SUPERIOR VENA CAVA |
| LEFT VENTRICLE SENDS BLOOD INTO THIS VESSEL | AORTA |
| FIBRIOUS PERICARDIUM | Loosely fitting superficial part of the sac enclosing the heart |
| SEROUS PERICARDIUM | THIN SLIPPERY TWO LAYER MEMBRANE |
| EPICARDIUM | INNER LAYER OF PERICARDIUM(CALLED THE VISCERAL LAYER) |
| MYOCARDIUM | MIDDLE LAYER OF THE HEART, COMPOSED MAINLY OF CARDIAC MUSCLE |
| LEFT ATRIUM AND LEFT VENTRICLE (VALVE SEPRATING THE TWO) | BICUSPID(MITRAL)VALVE |
| LEFT VENTRICLE AND AORTA | AORTIC SEMILUNAR VALVE |
| RIGHT ATRIUM AND RIGHT VENTRICLE | TRICUSPID |
| RIGHT VENTRICLE AND PULMONARY ARTERY | PULMONARY SEMILUNAR VALVE |
| BLOOD LEAVES THE RIGHT ATRUIM TO THE | TRICUSPID VALVE |
| BLOOD LEAVES THE RIGHT VENTRICLE TO THE | PULMONARY SEMILUNAR VALVE |
| BLOOD LEAVES THE LEFT ATRIUM TO THE | BICUSPID VALVE |
| BLOOD LEAVES THE LEFT VENTRICLE | TO THE AORTIC SEMILUNAR VALVE |
| SUPERIOR VENA CAVA | RIGHT ATRIUM |
| PULMONARY VEIN TO THE | LEFT ATRIUM |
| AORTA TO THE | BODY |
| PULMONARY ARTERY TO THE | LUNGS |
| CORONARY ARTERY | MYOCARDIUM |
| The vessel layer that has a direct role in vasoconstriction is the: | TUNICA MEDIA |
| The vessels that exhibit the lowest level of permeability are the: | CONTIUOUS CAPILLARIES |
| When would the capillary beds surrounding the gastrointestinal organs be open? | DURING A MEAL |
| Baroreceptors are effective in long-term regulation of blood pressure. | FALSE |
| Pulse pressure | DIFFERENCE BETWEEN SYSTOLIC AND DIASTOLIC PRESSURE |
| MEAN ARTERIAL PRESSURE | PRESSURE THAT PROPELS BLOOD TO THE TISSUES |
| Which of the following acts on the kidneys to raise blood pressure | ANTIDIURETIC HOMRMONE |
| If the net filtration pressure (NFP) is positive, then fluid is reabsorbed into the blood. | A positive net filtration pressure (NFP) would force fluid out of the blood. A negative NFP would result in reabsorption. |
| Which of the following would experience increased blood flow during exercise? | SKIN |
| Fluids would be likely to leave or filter out of the capillary if: | net hydrostatic pressure (HP) is greater than net osmotic pressure (OP). |
| Blood flows from the lungs to the _________ via the ___________. | left atrium; pulmonary veins |
| The hepatic portal system collects blood from the ______ and then routes it to the ______. | GI tract; liver |
Created by:
wannabeaclt