What occurs during the atrial reflex? a. Atria slow their filling rate. b. There is a decrease in heart rate due to an increase in blood pressure. c. The SA node rhythm decreases. d. An increase in heart rate occurs in response to an increase in blood volume within the atria.

What occurs during the atrial reflex? a. Atria slow their filling rate. b. There is a decrease in heart rate due to an increase in blood pressure. c. The SA node rhythm decreases. d. An increase in heart rate occurs in response to an increase in blood volume within the atria.

Body Structures & Functions

12th Edition

ISBN:9781285695495

Author:Scott

Publisher:Scott

Chapter13: Heart

Section: Chapter Questions

Problem 6ATP

See similar textbooks

Related questions

Q: Give answer How is long-term regulation of blood flow through tissues accomplished?

A: The oxygenated blood is transferred to the tissues from the heart by the arteries while the veins…

Q: In the evolution of circulatory systems, how is a 4-chambered heart advantageous compared to a…

A: Heart is the pumping organ is the organism. It is responsible for ouning the blood to all body…

Q: a) Horseshoe crabs use to carry oxygen through their blood. b) Why the blood of horseshoe crab is…

A: 1) Hemocyanin 2) The blood is blue because it contains a copper based respiratory pigment called…

Q: The ____________ nerves innervate the heart and tend to reduce the heart rate.

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

Q: Use this labelled diagram of a human heart & major blood vessels to answer these questions. Which…

A: Introduction Heart is the pumping organ in the body that pumps both deoxygenated and oxygenated…

Q: Which is the main structural feature that distinguishes elastic arteries from muscular arteries?…

A: Elastic arteries have a significantly higher quantity of elastic fibres in tunica media than…

Q: How might the body maintain homeostasis if blood pressure rises toohigh?a. By boosting the volume of…

A: Answer: Introduction: Homeostasis is a process of maintaining constant inner and exterior…

Q: Why do the blood vessels going to the skin and internal digestive organs constrict to get smaller…

A: The blood pressure increases as the sympathetic stimulation constrict or narrows the blood vessels.

Q: Predict what might happen to the lungs if the left ventriclewas not able to pump blood properly.

A: The heart is the central organ of the body that supplies blood to all parts of the body. Human heart…

Q: Make predictions about the functions of differentblood vessels based on their structures.

A: Blood is a fluid present in humans and animals that aid in transporting essential substances like…

Q: Give reasons why blood collected from body parts need to reach heart for circulation

A: Circulation system: It is the system of organs in the human beings and other animals which is…

Q: What is another name for the circulatory system? What is the function of this system?

A: The human body contains many organ systems. These systems perform different functions such as…

Q: Name hormones that have an effect on heart rate State two other factors that affect heart rate.

A: Heart rate refers to the speed of the heartbeat. It is generally calculated by the number of…

Q: Predict the significance of slow blood flow in the capillaries

A: The blood vessels are characterized by the presence of a single endothelial layer, diameter 5 to 10…

Q: a) Analyze the concept of balancing the pressure in a measure the blood pressure. sphygmomanometer…

A: Principle sphygmomanometers principle is that when a cuff containing a hollow rubber air bladder…

Q: What is the function of the foramen ovale in the fetal heart?

A: The human heart is myogenic in nature i.e, it is capable of producing its own action potentials. The…

Q: What is the type of the blood circulatory system? A Open circulatory system Double circulatory…

A: Question- What is the type of the blood circulatory system? A) Open circulatory system B) Double…

Q: Predict the effects of a drug that blocks the sympathetic nervous system on blood pressure and heart…

A: Sympathetic nervous system (SNS) and para sympathetic nervous system are the two main divisions of…

Q: explain the development of the circulatory system.

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

Q: Which feature is found in an open circulatory system but never in a closed circulatory system? A.…

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

Q: Use this labelled diagram of a human heart & major blood vessels to answer these Which structure is…

A: Introduction The Heart Is A Pump That Beats 60 To 100 Times Each Minute On Average. The Heart Pumps…

Q: anatomy: write summary about topography of the aorta , braches of the aortic arch

A: The aorta is considered as the largest artery. The aorta arises from the top of the left ventricle.…

Q: what is the function of the valves found in the heart

A: The heart is a muscular organ that is part of the circulatory system and it is responsible for…

Q: the human heart rate increases when the person is scared?

A: The heart rate of human adults in resting-state ranges from 60 beats to 100 beats per minute.…

Q: PREDICT THE EFFECTS OF A DRUG THAT BLOCKS THE SYMPATHETIC NERVOUS SYSTEM ON BLOOD PRESSURE AND HEART…

A: Sympathetic nervous system regulates many homeostatic mechanisms and are well known for…

Q: Explain how could determine resting heart rate (pulse rate) based on meaurements from a peripheral…

A: The blood forced into the aorta during systole not only moves the blood in the vessels forward but…

Q: What are the causes of a consistent increase(rise) in blood pressure for a long period of time

A: Blood pressure is the lateral pressure exerted by blood on the vessels. The heart is the pumping…

Q: Draw a bypass machine and write a report describes the function of its parts (each alone)

A: Cardiopulmonary bypass (CPB) is a process wherein a machine briefly assumes control over the…

Q: Compare and contrast an open and a closed circulatory system.

A: Open Circulatory System It is a type of circulatory system wherein the haemolymph bathes the tissues…

Q: Explain counting the pulse is counting the rate of heart beat.

A: Answer: Introduction: a pulse means the tactile palpation arteries of heartbeat by trained…

Q: Which is the phase of cardiac cycle in which the auricles contract?

A: The cardiac cycle is the process of contraction and relaxation of the heart. The primary function of…

Q: anatomy: write about chambers of the heart

A: The heart is a hollow muscular organ that pumps blood throughout the body through the circulatory…

Q: A drop in blood pH causes an increase in heart rate.What is the function of this control mechanism?

A: The pH of blood is 7.4. When pH of blood changes, it may lead to acidosis and alkalosis. The buffer…

Q: Answer a, a. Describe the process of taking someone's blood pressure with a sphygmomanometer-…

Q: A heart attack causes damage to the heart muscle from?

A: Nursing assessment, the first and the foremost step in the case of the nursing process. Here, the…

Q: Which is the important feature of the circulatory system?

A: The heart and blood vessels, which include arteries, veins, and capillaries, make up the circulatory…

Q: Answer both parts of the following:A) Discuss how pulmonary oedema and peripheral oedema may occur…

A: The fundamental characteristic of heart failure is oedema however its pathophysiology differs. The…

Q: The heart is..... to the sternum

A: Anatomy is the branch of biology, anatomy deals with the study of the structure of organisms and…

Q: Trace the flow of blood through the heart during one cardiac cycle.

A: The cardiac cycle is defined as the time taken for the heartbeat from its production to the…

Q: Summarize in one sentence the relation between blood flow and arterial radius.

A: The arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of…

Q: During the cardiac cycle, when would you expect to hear the second heart sound? O a) After ejection…

A: The timeframe that starts with compression of the atria and closures with ventricular unwinding is…

Q: Explain the effect that decreasing temperature had on the frog heart. How do you think the human…

A: Ringer's solution is a solution containing sodium chloride, calcium chloride, potassium chloride…

Q: Compare the rate of blood flow out of the ventricles between the first and second heart sounds of…

A: The heart is the most important organ in the body. It is made up of several different types of…

Q: Which correctly describes a function of the nervous system? A. The nervous system regulates bodily…

A: The human body possesses several systems that function in conjunction to maintain homeostasis. The…

Q: Write a note on “Regulation of cardiac activity”?

A: The human heart is myogenic as it generates its own electrochemical impulse through the activity of…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

Similar questions

Which is TRUE about isovolumetric contraction of the heart? a. AV valves are closed; SL valves are open b. AV and SL valves are open c. AV valves are open; SL valves are closed d. AV and SL valves are closed
Which statement best describes Arteries? A) They have thin walls and transport blood away from the heart B) They have thick walls and transport blood toward the heart C) They have thin walls and transport blood toward the heart D) They have thick walls and transport blood away from the heart
An increase in mean blood pressure may be due to? a) an increase in heart rate b) an increase in peripheral resistance c) an increase in stroke volume
Predict what might happen to the lungs if the left ventriclewas not able to pump blood properly.
Why do the blood vessels going to the skin and internal digestive organs constrict to get smaller during a fight or flight response? a. to let in more light b. to increase blood flow c. to redirect blood to the areas that are involved in the panic response d. to allow the body to take in more oxygen
Why do arteries have thick walls of muscle and elastic fibers? a. to give more area for cholesterol to deposit b. strength and ability to expand and contract during heartbeats c. to allow blood to flow in both directions
Which statement is true? a. Veins have more muscle and elastic fibers than arteries b. Arteries have more muscle and elastic fibers than veins c. Veins carry blood away from the heart d. Arteries carry blood to the heart
Explain counting the pulse is counting the rate of heart beat.
Write a detailed account of how the body monitors blood pressure with baroreceptors and how the autonomic nervous system responds to maintain blood pressure by altering the heart rate and blood vessels.
What is another name for the circulatory system? What is the function of this system?
Give answer How is long-term regulation of blood flow through tissues accomplished?
Nursing When comparing Ist, 2nd and 3rd degree heart block: a. Which has the same contraction rate in the ventricles as in the atria? b. Which has (have) a slower ventricular rate than atrial rate? C. Which has a very slow but regular ventricular beat? d. In 3rd degree heart block, where is the atrial rate set? Where is the ventriclar rate set ?