The pulse pressure is a measure of a. the number of heartbeats per minute. b. the sum of the diastolic and systolic pressures. c. the difference between the systolic and diastolic pressures. d. the difference between the arterial and venous pressures.

Q: How is blood prevented from backflowing from the pulmonary trunk into the right ventricle? a.…

A: As the heart pumps blood, a definite series of valves open and close tightly. These valves ensure…

Q: What happens to preload when there is venousconstriction in the veins?a. It increases.b. It…

A: The heart is a muscular organ in most animals. It pumps blood through the blood vessels of the…

Q: What changes can be noticed in the heart sounds when a person inhales deeply?

A: Inhalation is one of the processes of breathing. The whole process of breathing operates to exchange…

Q: Describe and analyze the portions of an EKG. Describe the effects on the different chambers of the…

A: A human heart is 4 chambered mascular organ. Its present inside chest and its similar to a fist in…

Q: Identify the correct sequence of blood flow through the chambers of the heart.   A "left ventricle,…

A: BLOOD FIRST ENTERS THE RIGHT ATRIUM AND THEN PASSES THROUGH THE RIGHT VENTRICLES. FROM RIGHT…

Q: The trabeculae carneae are located in the __________.   A epicardium   B ventricles   C atrium…

A: Step 1 The trabeculae carneae or columnae carneae are either rounded or irregular muscular columns…

Q: The two factors that assist the relatively low venous pressures in propelling blood toward the heart…

A: The circulatory system in humans has the heart, blood vessels- arteries and veins, etc. mainly. The…

Q: Endocarditis is an inflammation of which portion of the heart? a. pericardium b. endocardium c.…

A: Heart is an organ that pumps blood and is originated from mesodermal tissue. Heart is exclusively…

Q: Which of the following statements are true? (a) The left ventricle wall is thicker than the right…

A: It is related to the circulatory system

Q: The ____________ follows the coronary sulcus around the heart and supplies blood to the left atrium…

A: The cardiovascular system is also known as the circulatory system that allows the blood flow…

Q: Which of these is an incorrect statement concerning the heartbeat?a. The atria contract at the same…

A: The heartbeat has two parts, systole when the heart contracts and pumps blood and diastole when the…

Q: If a vessel were to dilate to twice its previous radius, and if pressure remained constant, blood…

A: Introduction: According to the Frank-Starling law of the heart, the strength of the vascular…

Q: Blood pressure can be significantly affected by (a) cardiac output (b) peripheral resistance (c)…

A: The wall of the arteries experiences a force that is exerted by the blood, this force is called…

Q: a)How is one-way flow through the heart achieved and What are the stages of the cardiac cycle and…

A: The cardiac cycle is a function of the human heart from the beginning of the heartbeat to the…

Q: To get from the right atrium to the right ventricle, blood flows througha. the pulmonary valve.b.…

A: To get from the right atrium to the right ventricle, blood flows through the right AV valve or…

Q: Which statement comparing the systemic and pulmonary circuits is true?a. The blood flow is greater…

A: The heart is the most important organ for the body and made up of several different types of tissues…

Q: erythropoietin release in the body happens when an individual is at high altitude. It results in a.…

A: Erythropoietin : It is a hormone which is produced predominantly by specialized cells called…

Q: Standing for a prolonged period of time can cause ... a. Decline in venous return  b. A drop in…

A: Venous return is the flow of blood from peripheral regions to back to right atrium . Factors which…

Q: The T wave represents: a. Depolarization of the ventricles b. Repolarization of the atria c.…

A: ECG (Electrocardiogram) can be outlined as the graph which represents the electrical activity of the…

Q: Acclimatization at high altitude would include a.increased in contractility of heart and increased…

A: Acclimatization, also known as acclimation or acclimatisation, is the process by which an individual…

Q: Write the differences between Systole and Diastole.

A: The complex organisms have a well-defined organ system for the transportation of substances across…

Q: a. Explain the difference in size and wall thickness of the ventricles. . b. Describe the function…

A: * The ventricles of the heart will have thicker walls than atria because blood is pumped out of…

Q: Arteries of the pulmonary circuit differ from those of the systemic circuit in that they carry, (a)…

A: The heart is the pumping organ that is responsible for circulating the blood to different parts of…

Q: Study the diagram below to identify the pressure relationships which are present during VENTRICULAR…

A: During first part of ejection ventricular pressure rises blood is intensively ejected to the…

Q: After passing through the inferior vena cava blood passes through the A coronary sinus B posterior…

A: The cardiovascular system, also known as the circulatory system, is made up of a blood pumping…

Q: During the period of isovolumic contraction: A. the AV-valves are open and the aortic & pulmonary…

A:

Q: The onset of the QRS complex of the ECG is most closely related to which of the following cardiac…

A: Isovolumetric ventricular contraction - This phase marks the beginning of systole and starts with…

Q: Predict the pressure changes that occur in the aorta, the left ventricle,and the left atrium after…

A: The heart is a smooth muscle organ that plays a major role in the circulation of blood. Human heart…

Q: Draw a flow chart of the circulatory system that includes the movement of blood from the Vena Cava…

A: Blood is the fluid that courses through the circulatory system and achieves many functions in its…

Q: A patient has been in a serious car accident and is hemorrhaging. Which of the following changes…

A: The heart is a muscular, mesodermally derived organ. It pumps the blood and circulates it in the…

Q: Anytime there is a sustained change in blood pressure (longer than 2-5 minutes) ______ is…

A: Carotid sinus consist of various baroreceptors  Carotid sinus baroreceptors are innervated by sinus…

Q: How does an increase in heartbeat rate during an emergency, help a person to face the emergency?

A: When the heart pumps it distributes the blood to all parts of the body  and the blood carries the…

Q: Which of the following changes happen at birth or a couple hours afterward? A) The connection…

A: After birth, several changes take place in the circulation of blood via the heart. After…

Q: The blood vessels responsible for variably distributing cardiac output among organs in the body are:…

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: When reading blood pressure, the top number refers to the __________    a. Diastolic pressure   b.…

A: Blood Pressure  The lateral pressure exerted by the flowing blood on the arterial wall. The blood…

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

A: Human heart is composed of two auricles (atria) and two ventricles. Cardiac cycle consists of…

Q: Which of the choices below best describes the systemic circulation of blood? a. The flow of blood…

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: Velocity of blood flow is the slowest in a. muscular arteries. b. capillaries. c. veins. d. elastic…

A: The circulatory framework, additionally called the cardiovascular framework or the vascular…

Q: The "pump" or "pressure-head" for the pulmonary circulation is the: A. right atrium B. right…

A:

Q: Calculate heart rate by counting the number of Large ecG Squares

A: The number of times a heart beats in a unit of time is called heart rate. Usually, it is measured as…

Q: Which of the following statements is true?a. The longer the vessel, the lower the resistanceand the…

A: Blood is a fluid connective tissue that circulates all over the body delivering nutrients and oxygen…

Q: Give answer from image shown.

A: The cardiac physiology is defined as the study of the function of the heart that is healthy and…

Q: In which of the heart chambers would deoxygenated blood be found? A)left atrium and left ventricle…

A: Blood Circulation in Circulatory System: Through two large veins (inferior and superior vena cava)…