Which of the following factors do NOT affect venous return? Blood volume Venomotor tone Skeletal muscle contractions O Inspiration (breathing in) All of the above affect venous return

Q: Bob has a body mass of 74 Kg His blood pressure is 134/74 Heart rate is 68 b/min His cardiac…

A: Given: Body mass of Bob = 74kg blood pressure = 134/74 heart rate =68 per minute  Cardiac output =…

Q: Which of the following statements is WRONG about Veins

A: correct answer a. They Vasoconstrict on sudden standing up    Reason: because this is mainly occurs…

Q: Create a process flow that will the circulatory pathway starting from the Vena Cava

A: Each time your heart beats, it pumps out oxygen-and supplement rich blood to your body. Blood moves…

Q: Consider the O2 binding curve shown below for hemoglobin under normal physiological conditions. In…

A: Oxygen dissociation curve is the graphical representation of effect of partial pressure of oxygen on…

Q: Lymph is returned to the cardiovascular system at the: O left atrial chamber of the heart O right…

A: According to Bartleby guidelines , we are supposed to answer first question in case of multiple…

Q: Which of the following factors does not affect the blood pressure of an individual? age O family…

A: Introduction :- A systolic pressure of less than 120 and a diastolic pressure of less than 80 is…

Q: Which of the following is a normal range found in the human body? O A heartbeat of 60-90 beats/min O…

A: Respiratory rate is number of breaths taken per minute. Heart rate is number of times your heart…

Q: Erythrocytes Transport carbon dioxide Are produced from lymphoid stem cells Are broken down in…

A: Erythrocytes are red blood cells which are typically of the biconcave shape without a nucleus. They…

Q: In lecture you learned about the protective impact of collateral coronary circulation. What is the…

A: Collateral coronary circulation may not be used generally as they remain small and unused when not…

Q: Nicotine stimulates both the SA node to increase its firing rate and the myocardium to contract more…

A: The term blood pressure refers to the amount of pressure exerted by the circulating blood on the…

Q: Use these formulas for making your calculations. Hematocrit Divide the length of the packed RBC…

A: Hematocrit percentage is the number of RBCs (red blood cells) in blood. The average normal range is…

Q: The crystalline lens regularly comes into contact with what fluids and tissues?   iris, zonules,…

A: The cornea and the lens work together to assist refract light so that it is focused on the retina.…

Q: O erythrocytes O leukocytes both of above O non of above O thymocytes

A: Blood cells are basically of three types in erythrocytes, leukocytes and blood platelets. Out of…

Q: The effect of purposeful hyperventiliation just prior to diving and swimming under water is that:…

A: Hyperventilation is the process in which an individual begins to breathe faster than the normal…

Q: Explain the function of the arrector pili muscle

A: The Arrector pili muscle is referred to as the tiny muscle that associates with the base of the hair…

Q: statement about sinus tachycardia Is correct? Sinus tachycardia may occur in response to fever.…

A: Since you have asked multiple questions and didn't mentioned which one to be answered, we are…

Q: How does the hormone Angiotensin II affect MAP?       it increases CO by increasing HR and SV…

A: Mean arterial pressure (MAP) is the average blood/arterial pressure of a normal healthy person…

Q: Which of the following would be normal responses to hypercapnea? (select all that apply) Smaller…

A: Carbon dioxide builds up in the bloodstream, causing hypercapnia. People with chronic obstructive…

Q: You cut your finger, resulting in a large loss of blood. Which most accurately describes the events…

A: Blood loss is very fatal for body as blood is very important for functionality of organs in the body…

Q: Blood pressure is increased by all but one of the following, which is...? Select one: O a. increased…

A: >> c. decreased peripheral resistance. When the peripheral resistance decreases the blood…

Q: In the figure below, which of the following represent atrial fibrillation?

A: Atrial fibrillation occurs when the heart rate becomes quite irregular. This causes poor blood flow.…

Q: Why do some people show breath to breath changes on a ECG more clearly than others and what is the…

A: We can say that The most convenient easy method to monitor and the working of heart is taking an…

Q: Venous blood pressure is equal to 6-8 O 20 3-7 12/8

A: Introduction Venous Blood Pressure:- It is the average blood pressure within the venous compartment…

Q: While your jogging you noticed your heart rate increases , yet your blood pressure stays the same.…

A: Circulatory system- It is a system that is responsible for circulating the blood all over the body…

Q: Virchow triad includes which of the following factors? (Select all that APPLY)

A: Thrombosis is the process of formation of thrombus in the blood vessels due to various causes and…

Q: Endocrine signals are transmitted more slowly than paracrine signals because ___________. a. the…

A: The endocrine system is a chemical messenger system comprising feedback loops of the hormones…

Q: How does an increase in heart rate contribute to an increase in blood pressure? O It increases the…

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

Q: 18. While taking blood pressure using a blood pressure cuff and stethoscope. you take the systolic…

A: Answer is B .  The appearance of the first korotkoff sound which is turbulent flow.

Q: In the cardiovascular dynamics experiment (part 2), if the left flow tube represents the pulmonary…

A: In the human body, the circulatory system is considered a network that comprises blood, blood…

Q: Peripheral resistance is governed by: O A. Vascular smooth muscle contraction and relaxation. OB.…

A: The cardiovascular system is also called the circulatory system. It consists of the heart, the…

Q: Severe hemorrhage increases peripheral vasoconstriction and heart rate. Why does it cause rapid…

A: When there is an imbalance between the demand and supply of oxygen to the body tissues as a result…

Q: A 56-year-old man is admitted to the coronary care unit (CCU) for an acute inferior wall myocardial…

A: The objective of the question is to understand the oxygen-carrying capacity of whole blood,…

Q: If stroke volume is 0.1 liters and heart rate is 100 beats per min, what is cardiac output? Group of…

A: Cardiac output (CO) is the measure of how much blood your heart pumps each minute. It is calculated…

Q: If the Mitral Valve failed in a patient, would the blood flow back into the Right Ventricle?…

A: Heart is chief pumping structure in the circulatory system that consists of 4 chambers : Right…

Q: In the cardiovascular dynamics experiment (part 2), if the left flow tube represents the pulmonary…

A: Cardiovascular system consists of heart and blood vessels that adapts to meet the demands the…

Q: When the blood pressure is high, how will the myogenic reflex help to bring the blood pressure baack…

A: Bayliss myogenic response, corresponds to the manifestations in muscle tone present in the…

Q: What are the physiological advantages in sport due to using erythropoietin? What are the…

A: Erythropoietin is an important hormone secreted by the specialized cells known as interstitial cells…

Q: With atherosclerosis, what happens to resistance and flow? 1) resistance decreases, flow increases O…

A: Step 1 Atherosclerosis is also known as atherosclerosis. It is also called “hardening of arteries”.…

Q: A 56-year-old man is admitted to the coronary care unit (CCU) for an acute inferior wall myocardial…

A: The objective of the question is to understand the oxygen-carrying capacity of whole blood,…