1.1 Compare the diameter and wall thickness of the superior vena cava and the aorta. Which is larger? Which has thicker walls? Why do you suppose these differences exist?

Q: 16. Explain why ventricular arrhythmias can have serious consequences

A: Ectopic beats Cardiac dysrhythmia is associated with abnormal electrical impulse conduction…

Q: What are the 3 different types of cells found in blood? What is the function of each?

A: The blood has two components: Liquid and cellular Liquid component consists of straw colored fluid…

Q: 38. The onset of Ventricular systole is associated with: A. the closing of the aortic valve B. the…

A: Heart is the pumping organ. It is responsible for pumping the blood to different parts of the body.

Q: What do ECGs measure?

A: During heart diagnostics, doctors often suggest going through an ECG (Electrocardiogram). It is a…

Q: In testing the effects of different ions on heart action, why were chlorides used in each case?

A: Introduction  Chloride is the most abundant anion in the extracellular fluid. Along with Chloride…

Q: What is a functional syncytium?

A: It is also involved in the removal of waste products from the body. It has three components: blood,…

Q: heart is called a double pump and compare the pulmonary and systemic circuits. ?

A: The human heart lies in the protective thorax, posterior to the sternum and coastal cartilage, and…

Q: What are the normal quantities (in milliliters per liter) for each form in arterial blood?

A: the normal quantities (in milliliters per liter) for each form in arterial blood  are :

Q: How is the blood in the pulmonary artery and pulmonary veins different from the blood in the other…

A: The pulmonary artery and pulmonary veins are the main pathways for the transportation of blood…

Q: 24.5. Describe using diagrams as appropriate the cardiac cycle.

A: Circulatory system is crucial for normal functioning of body tissues and  vital organs for survival…

Q: What can ECGs give information on?

A: Heart and blood vessels form the cardiovascular system. Its main function is to transport oxygen,…

Q: Describe the Flank-Starling law in the heart.

A:

Q: What is creatine phosphokinase (CPK) and v d suggestive of a myocardial infarction?

A: vii) The creatine phosphokinase blood test is used to test different kinds of CPK levels within the…

Q: 8. The closure of the tricuspid valve separates which two events in the cyclic changes of the left…

A: A single cardiac cycle includes all the events associated with one heartbeat. Thus, a cardiac cycle…

Q: How many leads do we put on for a 12 lead ECG?

A: The human heart is the main organ of the circulatory system. The human heart is situated in the…

Q: What is the PQ segment in ECGs?

A: An electrocardiogram (ECG) is a test used to record the electric signals generated in the heart when…

Q: Which o f the following will drastically increase resistance of blood flow?       1000 miles of…

A: Ans)If we took all the blood vessels out of an average child and laid them out in one line, the line…

Q: What are the three populations of cells in the heart that can act as pacemakers? How do they differ?

A: The heart is a muscular organ and is involved in the pumping of blood via blood vessels. The blood…

Q: 57 Which of the following is the principal factor determining the distribution of blood flow to the…

A: Blood vessels are the channels through which blood circulates inside the body ,these include  Types…

Q: Why is the Frank-Starling law of the heart important to the understanding of heart failure?

A: Frank starling law is a law that defines the relation between end diastolic volume and stroke…

Q: 16. Explain why ventricular arrhythmias can have serious consequences.

A: The heart is the pumping muscle in the body that pumps oxygenated blood to all tissues. Blood rich…

Q: 22. Define Ventricular Fibrillation. Describe what is happening electrically during VF.

A: Dysrhythmias Cardiac dysrhythmia is associated with abnormal electrical impulse conduction…

Q: What is the differencebetween systole and diastole?

A: Diastole and systole are two phases of the cardiac cycle. They occur as the heartbeats, pumping…

Q: Explain the Frank-Starling law of the heart

A: The heart receives the blood through atrial chambers and it pumps down to the ventricles and thereby…

Q: Referring to table 4.1, what is the density of whole blood (in g/ml)?

A: the gram per unit volume of a substance is known as density.

Q: 73 A 54-year-old man undergoes successful rubber band ligation of a prolapsing hemorrhoid Four weeks…

A: Introduction  Hemorrhoids are swollen and inflamed veins that produce pain and bleeding in the…

Q: If the left side of the heart were failing, how would this change the pressure that the right side…

A: Ans-  If the left side of the heart were failing, it will become more difficult for the right…

Q: 1.2 Compare the wall thickness of the right and left ventricles. Which is thicker? Why?

A: A double circulatory system is the one which comprises of two distinct circuits of blood circulation…

Q: 7. While performing surgery on a mammal, two blood vessels were cut by mistakes. In one of the…

A: Blood vessels transport oxygen and nutrients throughout the body. They aid in the delivery of oxygen…

Q: 72. A 42-year-old man undergoes angioplasty to open an atherosclerotic blockage at the origin of the…

A: Angioplasty is a procedure which is done for open blocked coronary arteries which are caused due to…

Q: Atrial fibrillation can be caused by wandering re-entrant circuits.  What does this mean?

A: Introduction Any valve in the heart can be damaged or diseased, resulting in valvular heart disease.…

Q: What is the biochemical basis of arterial damage in the disease process called atherosclerosis?

A: Coronary artery diseases are the major disease of the heart, which are caused due to the narrowing…

Q: What volume is required for an injection if 500mg are ordered and stock ampules contain 250mg/ml?

A: An injection involves the use of a needle for the administration of medications into the tissue…

Q: 18. Under the microscope, I can see a section through one of the chambers of the heart. The…

A: The heart is a vital organ which is a large, muscular organ that pumps blood filled with oxygen and…

Q: How does sickle cell anemia work?

A: Sickle cell anemia:   Sickle cell anemia is a genetic disorder of red blood cells. In this disorder,…

Q: What is the meaning of the blood pressure for 90/60 mmHg in 12 weeks old infant?

A: Blood pressure is the pressure created by the column of blood flowing in arteries when heart pumps…

Q: How can an individual’s maximum heart rate be estimated explain with a formula?

A: Heart rate is defined as the number of heartbeats per minute. A normal resting heart rate for adults…

Q: 1) unoxygenated blood leaves the right ventricle via the .................. to get to the lungs?

A: There are two types of circulation in double circulation are- 1. Pulmonary circulation 2. Systemic…

Q: What is atresia?

A: The body is made of several passages in order to facilitate the entry of several substances.

Q: You wanted to prepare a fish dish for your grandfather that he loves the dried salted Codfish. But…

A: Osmosis is the process where the solvent(water) moves towared a higher concerntration of solute…

Q: 1 What units do we use to measure pulse rate?

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 22. In the cardiac cycle, the occurrence of the diastole is most likely indicated at which of the…

A: Answer: B

Q: 29) Which of the following is a contraindication to anticoagulant administration?    A) Ischemic…

A: Anti Coagulant make the blood thinner and less prone to coagulation since the pathway is inhibited…

Q: Name the property of WBCs to squeeze through the walls of capillaries.

A: White platelets (WBCs), additionally called leukocytes or leucocytes, are the cells of the…