ANAPHY - CHAPTER 10 AND 11

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B. Heart rate and stroke volume

Cardiac output is the product of which two variables? A) Heart rate and blood pressure B) Heart rate and stroke volume C) Contraction and relaxation D) Diastole and systole E) Blood pressure and peripheral resistance

C. platelets

Cell fragments that form from the rupture of a megakaryocyte A) erythrocytes B) Leukocytes C) platelets

B. atria; ventricles

The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the ________. A) ventricles; atria B) atria; ventricles C) arteries; veins D) veins; arteries

A. erythrocytes

Type of cell that is anucleate A) erythrocytes B) Leukocytes C) platelets

A. Chordae tendineae

What are the tiny white cords that anchor the cusps of the heart valves to the walls of the ventricles? A) Chordae tendineae B) Ligamentum arteriosum C) Ductus venosus D) Myocardium

B. Thrombopoietin

What hormone controls the rate of platelet production? A) Erythropoietin B) Thrombopoietin C) Colony stimulating factors (CSFs) D) Interleukins

A)120/80

What is the average blood pressure? A)110/70 B)120/80 C)120/90 D)130/90

B. Regular, moderate exercise

What lowers the risk of coronary artery disease? A) Smoking B) Regular, moderate exercise C) Sedentary lifestyle D) High fat diet

B. Granulocytes

Which group of white blood cells includes the neutrophils, eosinophils, and basophils? A) Erythrocytes B) Granulocytes C) Agranulocytes D) Thrombocytes

D. abnormally low number of leukocytes

Which of the following characterizes leukopenia? A) excessive number of leukocytes B) abnormally low number of erythrocytes C) excessive number of erythrocytes D) abnormally low number of leukocytes

D. Heat

Which of the following will promote vasodilation? A) Angiotensin II B) Exercise C) Epinephrine D) Heat

C. Sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle (bundle of His), right and left bundle branches, Purkinje fibers

Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart? A) Atrioventricular (AV) node, atrioventricular (AV) bundle (bundle of His), sinoatrial (SA) node, Purkinje fibers, right and left bundle branches B) Sinoatrial (SA) node, atrioventricular (AV) bundle (bundle of His), atrioventricular (AV) node, right and left bundle branches, Purkinje fibers C) Sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle (bundle of His), right and left bundle branches, Purkinje fibers

D. Atrial diastole

Which phase of the cardiac cycle immediately follows the isovolumetric relaxation phase? A) Atrial systole B) Ventricular systole C) Isovolumetric contraction phase D) Atrial diastole

C. Systole

Which term means heart contraction? A) Diastole B) Tachycardia C) Systole D) Fibrillation

VENA CAVA

Deoxygenated blood passes through the Superior and inferior _____, which would then enter the right atrium.

TRICUSPID

From the right atrium they would then pass through the _____ valve, then enter the right ventricle.

B. 7.35; 7.45

Normal blood pH falls in a range between ________ and ________. A) 7.1; 7.2 B) 7.35; 7.45 C) 7.6; 7.75 D) 7.85; 8.05

C. platelets

Normal count of these cell fragments is 300,000 cells/mm3 of blood A) erythrocytes B) Leukocytes C) platelets

BICUSPID

Oxygenated blood flows through the pulmonary veins, into the left atrium. From the left atrium, it passes through the ____ valve to the left ventricle.

B. hemophilia

Hereditary bleeding disorders that result from lack of clotting factors are referred to as ________. A) petechiae B) hemophilia C) aplastic anemia D) thrombocytopenia

A. erythrocytes

Immature form of this cell is called a reticulocyte A) erythrocytes B) Leukocytes C) platelets

B. polycythemia

Life at a high altitude, where less oxygen is available, can lead to a red blood cell disorder known as ________. A) anemia B) polycythemia C) leukocytosis D) leukemia

A. antigens

Substances that the body recognizes as foreign are called ________. A) antigens B) antibodies C) formed elements D) megakaryocytes

D. blood type AB

The "universal recipient" blood type A) blood type O B) blood type A C) blood type B D) blood type AB

D. blood type AB

The blood type that can receive blood types B and AB A) blood type O B) blood type A C) blood type B D) blood type AB

B. blood type A

The blood type that possesses the A antigen only A) blood type O B) blood type A C) blood type B D) blood type AB

C. atrioventricular (AV)

The first heart sound, "lub," is caused by the closure of the ________ valves. A) semilunar B) pulmonary C) atrioventricular (AV) D) aortic

AORTA

The left ventricle contracts, ejecting blood through the aortic semilunar valve. Which then passes through the ____, which sends blood to the rest of the body.

A. blood type O

The most common blood type A) blood type O B) blood type A C) blood type B D) blood type AB

C. Apex

The pointed, inferior portion of the heart, known as the ________, rests on the diaphragm and is oriented toward the left hip. A) Base B) Mediastinum C) Apex D) Pericardium

D. hemostasis

The process by which bleeding is stopped is called ________. A) hematopoiesis B) erythropoiesis C) homeostasis D) hemostasis

PULMONARY

The right ventricle would then eject the blood, opening the ____ valve. This allows blood to flow from the pulmonary arteries to the lungs for oxygenation.

B. hepatic portal vein

The single vessel that drains blood from the digestive tract organs to the liver is the ________. A) hepatic vein B) hepatic portal vein C) renal vein D) inferior vena cava

C. pulmonary

The transportation of blood from the right side of the heart to the lungs and back to the left side of the heart is known as ________ circulation. A) systemic B) cardiac C) pulmonary D) coronary

C. erythrocytes

The transportation of oxygen in the blood is the responsibility of ________. A) neutrophils B) platelets C) erythrocytes D) granulocytes


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