Question 1

The last and largest vessels that return blood to the heart are the

Accepted Answer

A)  femoral veins 
B)  brachiocephalic veins 
C)  superior and inferior vena cava 
D)  abdominal aorta 
E)  portal circulation 
A)  femoral veins 
B)  brachiocephalic veins 
C)  superior and inferior vena cava 
D)  abdominal aorta 
E)  portal circulation C

Question 2

The overall function of the cardiovascular system is to

Accepted Answer

A)  Transport materials by diffusion 
B)  Equilibrate body temperature with the environment 
C)  Distribute water to all parts of the body 
D)  Transport materials by convection 
E)  Defend the circulating volume 
A)  Transport materials by diffusion 
B)  Equilibrate body temperature with the environment 
C)  Distribute water to all parts of the body 
D)  Transport materials by convection 
E)  Defend the circulating volume D

Question 3

The cardiovascular system increases delivery of materials by

Accepted Answer

A)  Diffusion 
B)  Conduction 
C)  Convection 
D)  Compliance 
E)  Radiation 
A)  Diffusion 
B)  Conduction 
C)  Convection 
D)  Compliance 
E)  Radiation C

Question 4

The circulation of the blood is caused mainly by

Accepted Answer

A)  The pumping action of the heart 
B)  One-way valves in the arteries 
C)  The pumping action of skeletal muscles 
D)  Gravity 
E)  The elastic properties of arteries 
A)  The pumping action of the heart 
B)  One-way valves in the arteries 
C)  The pumping action of skeletal muscles 
D)  Gravity 
E)  The elastic properties of arteries

Question 5

W hich of the following CANNOT prevent blood from clotting?

Accepted Answer

A)  Heparin 
B)  Citrate (it complexes Ca2+) 
C)  EDTA (it complexes Ca2+) 
D)  Antithrom bin III 
E)  Tissue thromboplastin 
A)  Heparin 
B)  Citrate (it complexes Ca2+) 
C)  EDTA (it complexes Ca2+) 
D)  Antithrom bin III 
E)  Tissue thromboplastin

Question 6

The enzyme directly responsible for formation of the clot is

Accepted Answer

A)  Prothrombin 
B)  Factor XIII 
C)  Factor XIIIa 
D)  Factor VIIa 
E)  Thrombin 
A)  Prothrombin 
B)  Factor XIII 
C)  Factor XIIIa 
D)  Factor VIIa 
E)  Thrombin

Question 7

Unclotted blood was obtained and placed in a long right cylindrical tube which was then centrifuged. The height of the blood was 3.8 cm. After centrifugation, the packed cells had a height of 1.7 cm.The hematocrit is

Accepted Answer

A)  0.309 
B)  0.447 
C)  0.553 
D)  0.381 
E)  0.809 
A)  0.309 
B)  0.447 
C)  0.553 
D)  0.381 
E)  0.809

Question 8

The large vessels that carry blood to the tissues are the

Accepted Answer

A)  Arteries 
B)  Arterioles 
C)  Capillaries 
D)  Venules 
E)  Veins 
A)  Arteries 
B)  Arterioles 
C)  Capillaries 
D)  Venules 
E)  Veins

Question 9

The interstitial fluid volume can be estimated as

Accepted Answer

A)  The total body water minus the intracellular fluid volume 
B)  The extracellular fluid volume minus the plasma volume 
C)  The total body water minus the plasma volume 
D)  The total body water minus the extracellular fluid volume 
E)  None of the above 
A)  The total body water minus the intracellular fluid volume 
B)  The extracellular fluid volume minus the plasma volume 
C)  The total body water minus the plasma volume 
D)  The total body water minus the extracellular fluid volume 
E)  None of the above

Question 10

W hich is NOT a principal category of things transported by the cardiovascular system?

Accepted Answer

A)  Nutrients 
B)  W astes 
C)  Hormones 
D)  Heat energy 
E)  Bacteria 
A)  Nutrients 
B)  W astes 
C)  Hormones 
D)  Heat energy 
E)  Bacteria

Question 11

After blood clots, the fluid that remains (called serum)

Accepted Answer

A)  Is called plasma 
B)  Has [K+] of about 140 mM 
C)  Has [Na+] of about 4 mM 
D)  Can occur only if heparin or EDTA is added to induce the clot 
E)  Lacks fibrinogen 
A)  Is called plasma 
B)  Has [K+] of about 140 mM 
C)  Has [Na+] of about 4 mM 
D)  Can occur only if heparin or EDTA is added to induce the clot 
E)  Lacks fibrinogen

Question 12

The extracellular fluid volume contained within the vasculature is the

Accepted Answer

A)  Blood volume 
B)  1 - Hct 
C)  Hct 
D)  Plasma volume 
E)  ECF volume 
A)  Blood volume 
B)  1 - Hct 
C)  Hct 
D)  Plasma volume 
E)  ECF volume

Question 13

Platelets cause vasoconstriction by release of

Accepted Answer

A)  Histamine 
B)  Serotonin 
C)  Throm bin 
D)  ADP 
E)  Lipoproteins 
A)  Histamine 
B)  Serotonin 
C)  Throm bin 
D)  ADP 
E)  Lipoproteins

Question 14

The pulmonary circulation

Accepted Answer

A)  Lies between the right heart and left heart 
B)  Provides blood to the major organs of the body 
C)  Is in parallel with the systemic circulation 
D)  Has flow that is independent of the systemic circulation 
E)  Gains CO2 and loses O2 
A)  Lies between the right heart and left heart 
B)  Provides blood to the major organs of the body 
C)  Is in parallel with the systemic circulation 
D)  Has flow that is independent of the systemic circulation 
E)  Gains CO2 and loses O2

Question 15

Clotting of the blood imm ediately follows

Accepted Answer

A)  Activation of plasmin from plasminogen by TPA 
B)  Conversion of prothrombin to thrombin 
C)  Inhibition of prothrombin by $\alpha$2 macroglobulin 
D)  Release of thromoxane A2 by platelets 
E)  Vasoconstriction 
A)  Activation of plasmin from plasminogen by TPA 
B)  Conversion of prothrombin to thrombin 
C)  Inhibition of prothrombin by $\alpha$2 macroglobulin 
D)  Release of thromoxane A2 by platelets 
E)  Vasoconstriction

Question 16

Exchange of nutrients and wastes occurs predominately across the

Accepted Answer

A)  Arteries 
B)  Arterioles 
C)  Capillaries 
D)  Venules 
E)  Veins 
A)  Arteries 
B)  Arterioles 
C)  Capillaries 
D)  Venules 
E)  Veins

Exam 34: Overview of the Cv System and Blood

The last and largest vessels that return blood to the heart are the

The overall function of the cardiovascular system is to

The cardiovascular system increases delivery of materials by

The circulation of the blood is caused mainly by

W hich of the following CANNOT prevent blood from clotting?

The enzyme directly responsible for formation of the clot is

Unclotted blood was obtained and placed in a long right cylindrical tube which was then centrifuged. The height of the blood was 3.8 cm. After centrifugation, the packed cells had a height of 1.7 cm.The hematocrit is

The large vessels that carry blood to the tissues are the

The interstitial fluid volume can be estimated as

W hich is NOT a principal category of things transported by the cardiovascular system?

After blood clots, the fluid that remains (called serum)

The extracellular fluid volume contained within the vasculature is the

Platelets cause vasoconstriction by release of

The pulmonary circulation

Clotting of the blood imm ediately follows

Exchange of nutrients and wastes occurs predominately across the

Physical Foundations Ii: Electrical Force Potential Capacitance and Current

Chemical Foundations I: Chemical Energy and Intermolecular Forces

Chemical Foundations Ii: Concentration and Kinetics

Diffusion

Electrochemical Potential and Free Energy

Cell Structure

Dna and Protein Synthesis

Protein Structure

Biological Membranes

Passive Transport and Facilitated Diffusion

Active Transport: Pumps and Exchangers

Osmosis and Osmotic Pressure

Cell Signaling

ATP Production I: Glycolysis

Atp Production Ii: Tca Cycle and Oxidative Phosphorylation

Atp Production Iii: Fatty Acid Oxidation and Amino Acid Oxidation

Origin of the Membrane Potential

The Action Potential

Propagation of the Action Potential

Skeletal Muscle Mechanics

Contractile Mechanisms in Skeletal Muscle

Neuromuscular Junction and Ec Coupling

Muscle Energetics Fatigue and Training

Smooth Muscle

Organization of the Nervous System

Cells Synapses and Neurotransmitters

Cutaneous Sensory Systems

Spinal Reflexes

Balance and Control of Movement

the Chemical Senses

Hearing

Vision

Autonomic Nervous System

Plasma and Red Blood Cells

White Blood Cells and Inflammation

The Heart As a Pump

Cellular Basis of Cardiac Contractility

the Cardiac Function Curve

Vascular Function: Hemodynamics

Microcirculation and Solute Exchange

Regulation of Perfusion

Integration of Cardiac Output and Venous Return

Regulation of Arterial Pressure

Mechanics of Breathing

Lung Volumes and Airway Resistance

Gas Exchange in the Lung

Oxygen and Carbon Dioxide Transport

Acid Base Physiology I Bicarbonate Buffers and Respiratory Compensation

Control of Ventilation

Anatomy and Renal Overview

Glomerular Filtration

Tubular Reabsorption and Secretion

Concentration and Dilution of Urine

Mouth and Esophagus

The Stomach

Intestinal and Colonic Motility

Pancreatic and Biliary Secretion

Digestion and Absorption of the Macronutrients

Energy Balance and Regulation of Food Intake

General Principles of Endocrinology

Hypothalamus and Pituitary Gland

The Thyroid Gland

The Endocrine Pancreas