what structures keep blood from flowing from the ventricles to the atria

Answers

Answer 1

Answer: The tricuspid valve opens into your right ventricle, and the mitral valve opens into your left ventricle.  So the structures are the two valves (tricuspid and mitral valves).

Explanation: I hope this helps :) You've got this!


Related Questions

what occurs when the muscles in the wall of the bladder contract involuntarily?

Answers

Answer:

Urinary bladder spasms occur when the bladder contracts involuntarily, which can cause a person to urinate. These spasms can be painful, and they may be embarrassing if they lead to an extreme urge to urinate or leakage of urine

Explanation:

Which two types of glia are both glue-like?
Schwann cells and oligodendrocytes
Omicroglia and astrocytes
ependymal cells and microglia
O interneurons and astrocytes

Answers

Answer:

There are three types of glial cells in the mature central nervous system: astrocytes, oligodendrocytes, and microglial cells (Figure 1.4A—C). Astrocytes, which are restricted to the brain and spinal cord, have elaborate local processes that give these cells a starlike appearance (hence the prefix “astro”).

The two types of glia that are both glue-like are the Schwann cells and oligodendrocytes that are present in the first option. Glial cells are called "glue-like" cells because they give support to the neuron cells.

What is the importance of the neuron?

The neurons are developed in the brain and the spinal cord, and later they get innervated to different organs and regulate their functions because the nervous system works along with the endocrine system. The neuron is either covered with a myelin sheath or uncovered, and in myelinated neurons, the message travels faster than in unmyelinated neurons. Microglia are immune cells, while Schwann cells and oligodendrocytes are found in the peripheral nervous system and the central nervous system, respectively.

Hence, the two types of glia that are both glue-like are the Schwann cells and oligodendrocytes that are present in the first option. Glial cells are called "glue-like" cells because they support the neuron cells.

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1. which of the following is a risk factor for decreased oxygen saturation level in a patient?

Answers

Answer:

Chest wall injury is a risk factor for decreased oxygen saturation level in a patient.

Explanation:

One of the risk factors for decreased oxygen saturation levels in a patient is Chest wall injury. Option A is correct.

Wounds to the chest wall incorporate broke ribs, cracked sternum (breastbone) and additionally swelling to the lungs. They typically occur after a chest impact, such as when falling from a height, in a car accident, or playing contact sports.

One of the most well-known chest wounds is cracked ribs ('broken ribs'). where a rib breaks or breaks. These might be brought about by major areas of strength for a power, for example, a tumble from a level or an engine vehicle crash.

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Complete question:

Which of the following is a risk factor for decreased oxygen saturation level in a patient?

1. Chest wall injury

2. Restlessness

3. Hypotension

4. Prescribed bronchodilators

once you shout for help, what are the next steps for providing hands-only cpr?

Answers

Answer:

Place the heel of one hand on the center of the chest. Place the heel of the other hand on top of the first hand, then lace your fingers together.

Explanation:

which of the following outcomes is not the result of the sympathetic division's activity?

Answers

Answer:

there are no options...

Medic gaming?
Medic gaming.
Medic gaming!

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Answer:

??????????????????????????????

what????????????? do u mean???????

you demonstrate high-quality cpr by keeping interruptions in cpr to less than _____ seconds.

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You demonstrate high-quality CPR by keeping interruptions in CPR to less than TEN (10) seconds.

Cardiopulmonary resuscitation (CPR) is a fundamental medical technique used during emergency situations.

This technique (cardiopulmonary resuscitation ) can save a life when it is applied properly.

High-quality cardiopulmonary resuscitation includes a chest compression fraction higher than 80% of the compression rate of 100-120/min.

In conclusion, you demonstrate high-quality CPR by keeping interruptions in CPR to less than TEN (10) seconds.

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14. A child in a poor country has not had sufficient protein in her diet for an extended period of time. What classic sign of this
form of malnutrition will she most likely exhibit?
A. constant thirst
B. extremely thin appearance
C. distended abdomen
D. sunken eyes

Answers

Answer:

A:

Explanation:

Having less protein makes you want to have more liquids to the fact that protein has healthy and unhealthy fats in it.

true or false? a random blood sugar reading that falls between 70-110 mg/dl is within the normal range.

Answers

Answer:

True

Explanation:

true or false. when you suffer an injury, white blood cells near the injury site initiate the inflammatory response.

Answers

This is false because When the body is injured, it starts to bleed, the bleeding stops when a clot forms. The multistep process of clot formation is called coagulation. When blood clot formation occurs properly, the blood holds together firmly at the site of the injury.

what is the tube that carries urine out of the body?

Answers

Answer:

Urethra

Explanation:

This tube allows urine to pass out of the body. The brain signals the bladder muscles to contract and expel urine. At the same time, the brain signals the sphincter muscles to relax and allow urine to flow out of the bladder through the urethra.

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A Nurse Is Preparing To Administer Lactated Ringer's (LR) 250 ML IV To Infuse Over 30 Min. The nurse should set the iv pump to deliver how many Ml/HR? (Round the answer to nearest whole number)

Answers

The nurse should set the IV pump to deliver LR IV 250 mL at 1000 mL/hr.

IV pump  to deliver LR IV 250 mL

First step

30 min × 4 = 120 mins

250 mL x 4 = 1000 mL

Second step

If the amount prescribed is 250 mL to infuse over 30 min (0.50 hr),

Hence,

1000 mL/hr should be administer

Therefore the nurse should set the IV pump to deliver LR IV 250 mL at 1000 mL/hr.

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the ________ complex is the part of the brain with dense connections with a variety of sensory areas of the brain; it is critical for classical conditioning and attaching emotional value to memory.

Answers

The basolateral complex has dense connections with a variety of sensory areas of the brain. It is critical for classical conditioning and for attaching emotional value to learning processes and memory.

if the body is cut coronally which cavities would be anterior to the cut? which cavities would be posterior to the cut?

Answers

Answer:

A coronal or frontal plane divides the body into dorsal and ventral (back and front, or posterior and anterior) portions.

Explanation:

mad cow disease serves as an example of how interdependent ________ and ________ are to protein.

Answers

Answer:

What is Structure; Function

Explanation:

Mad cow disease serves as an example of how interdependent structure and function are to protein.

which term refers to distention of the renal calyces and pelvis?

Answers

The correct answer is Hydronephrosis
The correct answer to this question is hydronephrosis

a nurse is preparing to adjuster lasted ringer (LR) 1,000 ML IV to infuse over 1.5hr. The nurse should set the IV pump to deliver how many ML/he (round the answer to the nearest whole number)

Answers

Answer:

11ml

Explanation:

how long to recover from laparoscopic gallbladder removal

Answers

Answer:

Recovering from laparoscopic cholecystectomy will take up to 6 weeks for most people.

Most people can return to their normal activities in 7 to 10 days. People who have laparoscopic gallbladder surgery are sore for about a week. But in 2 to 3 weeks they have much less discomfort than people who have open surgery.

which of the following is most likely to cause disease?

Answers

Answer:

where is the following|?

Explanation:

what are the following?

the greatest number of pathogens enter the body through which system below? select one: a. respiratory system b. gastrointestinal system c. urinary system d. genital system

Answers

Answer:

d. genital system

Explanation:

The respiratory system is the system by which enters the greatest number of pathogens into the body.

What is the respiratory system?

The respiratory system is a system by which the body can make gas exchanges with the surrounding environment.

This system (respiratory system) is in constant interaction with the environment to interchange CO2 and Oxygen.

In conclusion, the respiratory system is the system by which enters the greatest number of pathogens into the body.

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A 73-year-old woman is experiencing recurrent constipation. The woman reports to the nurse that she experiences constipation despite the fact that she takes docusate on a daily basis and performs cleansing enemas several times weekly. How should the nurse best respond to this client's statement

Answers

Answer:

Taking too many laxatives can make your bowels dependent on them, making you more susceptible to constipation.

Explanation:

"The woman reports to the nurse that she experiences constipation despite the fact that she takes docusate on a daily basis and performs cleansing enemas several times weekly."

docusate is a type of a laxative, which she also states that she takes it everyday and performs a cleansing enemas several times weekly, and taking too many laxatives is not a good idea, as it makes you more susceptible to constipation.

within skeletal muscle cells, what extends from one z disc to the next and constitutes one contractile unit?

Answers

Answer:

What is a Sarcomere

Explanation:

A sarcomere is the basic structural and functional unit of skeletal muscle because it is the smallest portion of skeletal muscle capable of contracting. Each sarcomere extends from one Z disk to an adjacent Z disk.

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at what bac level is an individual considered intoxicated if they are over the age of 21?

Answers

Answer:

The BAC is calculated from the concentration of alcohol in the breath. In most states, the legally-defined level of alcohol intoxication is a BAC of 0.08%.

your physician asks the patient if he has ever had a stroke. the patient answers, "i had a mini-stroke 3 years ago." what would you document in the patient’s pmhx?

Answers

Answer:

What is: TIA (transient ischemic attack)

Explanation:

A transient ischemic attack (TIA) is a temporary period of symptoms similar to those of a stroke. A TIA usually lasts only a few minutes and doesn't cause permanent damage.

Often called a mini stroke, a transient ischemic attack may be a warning. About 1 in 3 people who has a transient ischemic attack will eventually have a stroke, with about half occurring within a year after the transient ischemic attack.

A transient ischemic attack can serve as both a warning of a future stroke and an opportunity to prevent it.

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hyper-igm syndrome is a rare genetic disease caused by a loss-of-function mutation in the gene that codes for the cd40l protein. what are the two most likely direct effects of cd40l deficiency?

Answers

Can you maybe show us a picture?


Select all of the following that are part of the Central Nervous System

Cerebellum
Sciatic Nerve
Cerebrum
Parietal Lobe
Brachial Plexus
Pons
Motor Cortex

Answers

The answer is:
Cerebellum

association for the advancement of medical instrumentation

Answers

Answer:

Explanation:

The Association for the Advancement of Medical Instrumentation (AAMI) is a nonprofit organization founded in 1967. It is a diverse community of over 7,000 professionals united by one important mission—the development, management, and use of safe and effective health technology.

what two types of defects does a cancerous cell possess?

Answers

Answer:

Cancerous cells possess defects that make proteins required for cell growth active, and tumor suppressor genes inactive.

Explanation:

what types of diseases/problems does stem cell research hope to solve?

Answers

Answer:

People who might benefit from stem cell therapies include those with spinal cord injuries, type 1 diabetes, Parkinson's disease, amyotrophic lateral sclerosis, Alzheimer's disease, heart disease, stroke, burns, cancer and osteoarthritis.

Explanation:

Answer:

According to some journals : "People who might benefit from stem cell therapies include those with spinal cord injuries, type 1 diabetes, Parkinson's disease, amyotrophic lateral sclerosis, Alzheimer's disease, heart disease, stroke, burns, cancer and osteoarthritis."

what is the muscular layer of the heart wall called

Answers

Answer:

The muscle layer of the heart is termed the myocardium and is made up of cardiomyocytes. The myocardium is found in the walls of all four chambers of the heart, though it is thicker in the ventricles and thinner in the atria

Explanation:

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