1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
olya-2409 [2.1K]
3 years ago
15

Name the phase when the atrioventricular valves and the semilunar valves are all closed during ventricular diastole

Medicine
1 answer:
myrzilka [38]3 years ago
4 0

Answer:

The answer to the question: Name the phase when the atrioventricular valves and the semilunar valves are all closed during ventricular diastole, would be: the isovolumic, or isovolumetric relaxation.

Explanation:

The systolic and diastolic cycles of the heart ensure that blood is always being circulated around the body from the heart, and from the body to the heart. While systole implies the moments of contraction and active motion of the heart muscles to ensure the correct passage of blood from the four chambers of the heart (atria and ventricles), to and from the body, diastole is the time when either the atria, or ventricles relax to allow the flow of blood into them. To also ensure this process is seamless, there are a series of valves, the atrioventricular valves, or AV valves, and the aortic and pulmonary (semilunar) valves, that will ensure that blood can flow from the atria to the ventricles (AV valves) without flowing back, and that blood will flow towards the body through the aorta, and the lungs, through the pulmonary arteries, through the aortic and semilunar valves, without going back into the ventricles. At one point, when the ventricular diastole begins, there is an early stage known as the isovolumic, or isovolumetric stage, meaning, volumes are pressures are equalized and then both the AV valves and aortic and pulmonary valves are closed only for a bit as the ventricles relax. Not soon later, the AV valves will start opening to allow the gentle flow of blood from the atria, to the ventricles, before actively initiating atrial systole.

You might be interested in
The school nurse is preparing a health education session on the topic of birth control for a college group. Which method should
Papessa [141]

Among the various birth control methods are tablets, vasectomy, IUDs, and condoms.

Interventions in education can help people become more knowledgeable about the contraceptive options available, empowering them to use contraception more skillfully and make educated decisions.

To inform national recommendations on high-quality family planning services, a thorough study of contraceptive education programs was conducted. For the majority of people, hormonal contraception is a safe and effective technique to prevent pregnancy since they either include progestin solely or estrogen and progestin.

The use of an implant, an intrauterine device (IUD), shots, pills, vaginal rings, and skin patches are examples of hormonal approaches. The IUD and implant are the most user-friendly and reliable forms of birth control, and they also work the best at preventing conception

Learn more about birth control here brainly.com/question/7965693

#SPJ4.

3 0
2 years ago
associations of patient-reported care satisfaction with symptom burden and healthcare use in hospitalized patients with cancer
Mekhanik [1.2K]

connections between cancer patients hospitalized for symptoms and healthcare utilization and patient-reported care satisfaction

What is healthcare?

It offers comprehensive care for health requirements across the lifespan, not only for a collection of particular disorders. Primary health care guarantees that patients receive high-quality, all-encompassing care that is as close as practical to their daily environments, spanning from promotion and prevention through treatment, rehabilitation, and palliative care.

From September 2014 to April 2017, we prospectively enrolled individuals who had cancer and unanticipated hospitalizations. We evaluated patients' physical, psychological, and emotional symptoms at the time of admission, as well as their satisfaction with their care (FAMCARE items: satisfaction with care coordination and timeliness of symptom treatment). We used regression models to find characteristics that affect care satisfaction and relationships between satisfaction and symptom load and length of hospital stay (LOS).

The majority of the 1,576 participants expressed "satisfaction" or "very satisfaction" with care coordination (90%) and the promptness of symptom treatment (89%).

High levels of care satisfaction are reported by cancer patients who are hospitalized, and these levels are associated with older age and admission to an oncology service. The significance of enhancing symptom management and care coordination in this population is highlighted by the relationships between higher care satisfaction, lower symptom load, and shorter hospital LOS.

To learn more about healthcare, click on the link below –

brainly.com/question/9993770

#SPJ4

6 0
2 years ago
How much Dextrose 70% must be mixed with Dextrose 5% to prepare 1,000mL of Dextrose 20%? *
erastovalidia [21]

Answer:

231 ml

Explanation:

Let x represent the amo unt of Dextrose 70% in ml and y represent the amount of Dextrose 5% in ml needed to prepare 1,000mL of Dextrose 20%.

Since 1000 ml of Dextrose 20% is needed, hence:

x + y = 1000       (1)

Also 70% Dextrose is mixed with 5% dextrose to produce 20% dextrose. i.e.:

70% of x + 5% of y = 20% of 1000

0.7x + 0.05y = 200    (2)

We have to solve equations 1 and 2 simultaneously.

Let us multiply equation 2 by 20:

14x + y = 4000        (3)

subtract equation 1 from 3:

13x = 3000

x = 231 ml

Put x = 231 in equation 1 to find y:

231 + y = 1000

y = 769 ml

Therefore 231 ml of Dextrose 70% must be mixed with 769 ml of Dextrose 5% to prepare 1,000mL of Dextrose 20%? *

8 0
3 years ago
Everytime i make I make a question.. but then nobody answers:<br><br> also wut da heck is 13x9
k0ka [10]

Answer:

ahh I will answer your question

6 0
2 years ago
Read 2 more answers
A dendritic cell is a(n)
brilliants [131]

Answer:

b) blastic red blood cell (RBC).

Explanation:

In excess of 340 blood group antigens have now been described that vary between individuals. Thus, any unit of blood that is nonautologous represents a significant dose of alloantigen. Most blood group antigens are proteins, which differ by a single amino acid between donors and recipients. Approximately 1 out of every 70 individuals are transfused each year (in the United States alone), which leads to antibody responses to red blood cell <u>(RBC) alloantigens</u> in some transfusion recipients. When alloantibodies are formed, in many cases, RBCs expressing the antigen in question can no longer be safely transfused. However, despite chronic transfusion, only 3% to 10% of recipients (in general) mount an alloantibody response. In some disease states, rates of alloimmunization are much higher (eg, sickle cell disease). For patients who become alloimmunized to multiple antigens, ongoing transfusion therapy becomes increasingly difficult or, in some cases, impossible. While alloantibodies are the ultimate immune effector of humoral alloimmunization, the cellular underpinnings of the immune system that lead to ultimate alloantibody production are complex, including antigen consumption, antigen processing, antigen presentation, T-cell biology.

5 0
3 years ago
Other questions:
  • "Inadequate exposure to sunlight could result in decreased amounts of vitamin ________ in the body."
    15·1 answer
  • describe the location and main function of the thalamus, hypothalamus, and limbic system of the brain
    8·1 answer
  • What Animal is the best cat or dog <br> #Team cats
    15·2 answers
  • Elevated levels of cortisol would:
    7·1 answer
  • Vitamin C can be added to applesauce to inhibit it from becoming brown in color when exposed to the air. Discuss below how this
    10·1 answer
  • 1. Describe the appearance of the valves of a heart. How the anatomy of the valves helps do their function?
    12·1 answer
  • which patient statement indicates the need for further teaching about measures to prevent back pain for factory workers
    14·1 answer
  • Linda has heard that the acidic environment of the stomach is similar to that of a car battery. If the stomach is so acidic, why
    8·1 answer
  • What is the diffence between guillain-barre syndrome and ms.
    7·1 answer
  • The nutrient that enhances iron absorption is ____. a. sodium b. vitamin c c. copper d. potassium
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!