Medicine College

Factors that aid venous return include all EXCEPT

O pressure changes in the thorax
O urinary output
O venous valves
O activity of skeletal muscles

Answers

Answer 1

Factors that aid venous return include pressure changes in the thorax, venous valves, and activity of the skeletal muscles except urinary output. Thus, the correct option is B.

What is Venous return?

Venous return is the rate of back flow of blood to the heart. It normally limits the cardiac output. Superposition of the cardiac function curve and venous return curve is used in hemodynamic model. The main driver force in venous return is the blood flowing back to the heart which is driven by the pressure difference between the mean systemic filling pressure and right atrial pressure (RAP).

Venous return can be facilitated by a number of different factors, such as inspiration, increased total blood volume, the cardiac suction effect, the presence of venous valves and the skeletal muscle pump.

Therefore, the correct option is B.

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Related Questions

False positives for the presence of nitrites can happen if the specimen is ________ for too long.

Answers

Answer:

at room temperature

Explanation:

The clinician is seeing a toddler for a follow-up visit. The chart indicates that the previous examiner noted an innocent murmur. You should suspect a possible pathological murmur if the examination reveals the following
A. Murmur is grade I-II/IV
B, Murmur changes with the toddler's position. C. Murmur is musical in quality. D. Murmur is diastolic.

Answers

The clinician should suspect a possible pathological murmur in the toddler, as his/her previous examiner noted an innocent murmur, if the examination reveals the murmur is diastolic. Hence, the correct answer is D.

Pathological murmurs have a sound level of 3rd grade or above, a diastolic murmur, or an increase in severity as the patient stands. All children who have any of these symptoms should see a pediatric cardiologist. Heart murmurs are noises produced by choppy and rapid blood flow through the heart, such as swishing and whooshing. A stethoscope can be used to listen to the heart murmur. When the heart valves close, a typical heartbeat generates two noises that sound like "lubb-dupp" that often written as "lub-DUP".

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a medical assistant is preparing to administer an intramusuclar injection to a child who weights 50 lb

Answers

22.7 the weight of the child in kg.  when a medical assistant is preparing to administer an intramusuclar injection to a child who weights 50 lb.

A material is injected into a muscle during an intramuscular injection, often known as IM. It is one of various strategies for administering drugs via parenteral infusion in medicine. The shoulder, hip, and thigh are only three examples of potential sites for intramuscular injection. Before administering an injection on themselves, those who must do so should acquaint themselves with the procedure and get help from their doctor. Medical personnel known as medical assistant support doctors in hospitals and clinics. It usually takes between nine months and two years for the majority of aspirants to become medical assistants, while the precise length of time might vary. Graduating from high school, enrolling in medical assistant training, and earning certifications are all necessary stages to become a medical assistant.

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Help me out, I’m busy doing a bunch of things and I can’t do this one

Answers

The majority of epileptics lead active lives. However, for other people, the chance of an early death is higher.

What is Epilepsy ?

A condition where the brain's nerve cell activity is messed up, leading to seizures.

A genetic condition or an acquired brain lesion, such as a trauma or stroke, may cause epilepsy.

A person has strange behavior, symptoms, and sensations during a seizure, which can occasionally cause unconsciousness. Between seizures, there are not many symptoms.Medications are typically used to treat epilepsy, though occasionally surgery, gadgets, or dietary changes are also used.We are aware that the risk of epilepsy-related death can be decreased by maintaining the best seizure control and living safely.

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