The two main branches of the right coronary artery are the:   Question 6 options:   Right marginal artery and left marginal artery   Right marginal artery and anterior interventricular artery   Right marginal artery and posterior interventricular artery   Great and middle cardiac arteries

Q: Dr. J was performing a cardiac bypass on her 53-year-old male patient whose anterior…

A: Cardiac bypass: A cardiac bypass also known as coronary artery bypass surgery or coronary artery…

Q: Fill in the blank:  During ventricular relaxation, the A-V valves remain _______________________.

A: Cardiac cycle refers to sequence of alternating contraction and relaxation of the atria and…

Q: one: Variation in P wave contour Irregular ventricular response Absent QRS complex P wave after QRS…

A: When there is contraction of the lower chamber or ventricles of the heart before they need to…

Q: complete blockage of the LAD. B

A: A coronary angiography is performed to detect the blockage in the heart arteries. Left Anterior…

Q: The myocardium is supplied by its own arterial blood supply, called the coronary circulation.…

A: In humans, coronary circulation can be described as the phase of systemic circulation during which…

Q: The first vessel that branches from the ascending aorta is the brachiocephalic artery. True False

A: Heart is the mesodermally derived organ and it is present in the thoracic cavity. The membrane that…

Q: The pulmonic semilunar valve is located between the

A: The valves in the heart close to prevent the backflow of the blood. AV valves close to prevent the…

Q: The ECG records the electrical stimulation of cardiac muscle by theconduction system and not the…

A: Electrocardiogram (ECG) is used to measure the changes in the electrocardiograph. One cardiac cycle…

Q: The four-chambered heart is a single organ but is sometimes described as a “double pump” because it…

A: The cardiovascular system is composed of the heart, blood, and blood vessels. The heart pumps blood…

Q: The following are cardiac cycle events. Place them the correct order, beginning with ventricular…

A: Introduction: The sequence of alterations in the flow and pressure in the cardiac chambers and the…

Q: The sinoatrial and atrioventricular nodes of the heart are affected by. O only somatic motor nerves…

A: The human heart is an organ that pumps blood through the circulatory system's veins, giving oxygen…

Q: Which of the following contributes to 1st heart sound during systole? Select one: Flow of blood…

A: In the human circulatory system, the heart is considered the central organ that plays a significant…

Q: The right coronary artery typically:

A: Blood vessels are one of the three key components (The other 2 being the heart and the blood) are…

Q: Look for the septal leaf of the tricuspid valve and just above its attachment,locate the…

A: The heart is a muscular organ situated on the left side of the chest. It is about the size of the…

Q: The internal thoracic artery is frequently used as a coronarybypass vessel (a replacement artery for…

A: The blood vessel is a tube by which the blood circulates in the body. The internal thoracic artery…

Q: Non-ST segment elevation myocardial infarction (NSTEMI) typically affects the: A pericardium B…

A: Myocardial infarction or heart attack is a heart condition or event where their is a sudden blockage…

Q: The first branch of the aorta is the:   Question 20 options:   Brachiocephalic trunk   Pulmonary…

A: Aorta - Largest artery of the body. It begins at the top of Left ventricle of the Heart. The heart…

Q: Palpating a Superficial Pulse The pulse rate is the number of pulse per minute measured by palpating…

A: Pulse rate is the number of pulse in a minute.

Q: Depolarization / Repolarization Systole / Diastole ECG Wave Heart Chamber P-wave Atria Atria…

A: Electrocardiogram is a graphic representation of the electrical activity of the heart recorded…

Q: he purpose of the atrioventricular valves is to prevent blood from flowing from the ventricles into…

A: The atrioventricular valve is present between the atria and ventricles. the left side of the heart…

Q: Joey witnessed an accident and was seriously wounded. He was held under unit of cardiac telemetry.…

A: Answer :- (A) - The right side of the sternum just below the clavicle and left of the precordium.…

Q: Use an arrow to indicate where DORV would occur on the flow chart (right ventricle to aorta and…

A: Heart is the organ that pumps blood throughout the body. There are various steps involved in the…

Q: An embolus lodged in the circumflex artery could impair blood flow to what portion of the heart? O…

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

Q: The second heart sound is caused by

A: Answer:  The Lub - Dup sound produced by the heart is basically the closing of the heart valves.

Q: trace a drop of blood from the left ventricle of the heart to the wrist of the right hand and back…

A: Blood circulation:  The blood circulatory framework is an system of organs that consist of the…

Q: ifth intercostal space,

A: Intercostal space is the anatomic space between  two ribs. The anterior and the lateral part of the…

Q: Circle the false statement about the cardiac skeleton: (a) It is composed of dense connective…

A: We know that The cardiac skeleton is a fibrous structure; it is not a bony structure. It is made up…

Q: Select the correct statement about cardiac output. A slow heart rate increases end diastolic…

A: Introduction  Cardiac output is calculated by multiplying the stroke volume by the heart rate. The…

Q: The timing of the first heart sound coincides with which ECG wave? O PR interval P wave T wave O QRS…

A: Human heart is four chambered and it pumps the oxygenated blood to each and every organ of the…

Q: What are the differences between the atrioventricular and semilunar valves? Give an example of a…

A: Heart is muscle like pumping structure whose main job is to send oxygen rich blood to all parts of…

Q: you are a red blood cell in the third toe, place the following blood vessels in order you would pass…

A: The venous system of the body carries deoxygenated blood from all over the body to the right atrium…

Q: Which of the following occurs during diastole?   Question 25 options:   The semi-lunar valves are…

A: Heart consists of four chambers, two auricles and two ventricles. Blood is received by the auricles…

Q: A NORMAL CIRCUIT OF THE HEART AND LUNGS. ASSUME TH STARTING IN THE RIGHT ATRIUM. V DOO…

A: Heart is the main organ of the circulatory system. In vertebrates, it is located on the ventral side…

Q: Which of the following statements are true of the mitral valve? (Please note that you may pick more…

A: Mitral valve connects left atrium and left ventricle.During diastole this valve opens and the blood…

Q: Which of the terms in the following pairs is correctly matched? Group of answer choices Heart…

A: Let us first understand the concept before matching A. Systole occurs when the heart contracts to…

Q: Could you please help me label this diagram?

A: Blue vessels ( 1 blue) : Veins.   These carry deoxygenated blood from the body tissues back to the…

Q: Study the following diagram of the heart and label the various structures, including valves and…

A: The human heart is a muscular organ and is about the size of a fist. It is located behind and…

Q: Why doesn’t blood volume change during isovolumetric ventricular systole?

A: Isovolumetric ventricular systole is the phase when the left ventricular phase rises above the…