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4 years ago

Otitis media (middle ear infection) is sometimes associated with pharyngitis (sore throat). Explain why this is so.

Medicine

1 answer:

Ganezh [65]4 years ago

6 0

Answer:

Otitis media is generally caused by dysfunction of the Eustachian tube, which can be due to Pharyngitis.

Explanation:

The otitis media is an infection or inflammation of the middle ear and is mostly caused by the inflammation of the mucous membranes in the nasopharynx leading to dysfunction of the Eustachian tube. This can be caused due to a upper respiratory tract viral infection or streptococcal pharyngitis (strep throat) or due to some allergy.

Pharyngitis or sore throat is a type of inflammation caused by upper respiratory tract viral infection.

Therefore, Otitis media can be caused by Pharyngitis and thus it is associated with it.

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Scientific theory must be supported with empirical evidence.

NemiM [27]

Answer:

True.

Explanation:

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4 years ago

Cardiac output is determined by multiplying stroke volume and heart rate. <br> a. True<br> b. False

Verdich [7]

Answer:

True

Explanation:

The amount of blood that the heart pumps per minute through the circulatory system is called the cardiac output.

Stroke volume is the amount of blood that pushed out of the ventricle in one contraction or one beat.

The cardiac output is calculated by multiplying the number of heartbeats per minute (heart rate) and the stroke volume.

Thus, cardiac output = Heart rate × Stroke volume. The value of cardiac output is expressed as litre/minute.

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3 years ago

Which schedule of medications does NOT have any currently accepted medical uses in the United States?

Basile [38]

Answer:

The drug or other substance has no currently accepted medical use in treatment in the United States. There is a lack of accepted safety for the use of the drug or other substance under medical supervision.

So...... Schedule I

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4 0

3 years ago

Read 2 more answers

A nurse is precepting a nursing student, and together they are caring for a patient who is to receive interleukins. The student

storchak [24]

The correct option is (C) "patient has increases in the number of natural killer cells."

The nurse would response to student nurse that the "patient has increases in the number of natural killer cells."

What are Interleukins?

Initially believed to be produced exclusively by leukocytes, interleukins (IL) are a type of cytokine that have since been discovered to be produced by numerous different bodily cells. They are crucial for the proliferation, maturation, migration, adhesion, and the activation and differentiation of immune cells.

What are Natural killer cells?

Natural killer (NK) cells are lymphocytes of the innate immune system that take part in early defense against foreign cells as well as autologous cells going through various types of stress, like microbial infection or tumor transformation.

Learn more about Natural killer cells with the help of the given link:

brainly.com/question/12978233

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I understand that the question you are looking for is "A nurse is precepting a nursing student, and together they are caring for a patient who is to receive interleukins. The student nurse asks what happens physiologically when a patient receives interleukins. What would be the nurse's best response?

(A) It really helps the patient

(B) The patient gets really sick from flu-like symptoms and then they get better.

(D) The patient has decreased cytokine activity."

4 0

2 years ago

The net filtration across relaxed skeletal muscle capillaries is about 0.005 mL/min per 100 g of tissue. Assume the following va

algol [13]

Answer:

0.58 m²/100 g

Explanation:

Let us consider a chunk of muscle with a cross-sectional area of 1 mm² and which 500m long. If this chunk contain 250 capillaries and each with 4m radius long .

Now if we calculate the muscle slab weight along with the surface area of capillaries in the muscles. To calculate the surface area per unit weight of muscle we will neee to divide the surface area of capillaries that are there in the muscle to the area by the mass of the muscle long.

This slab of muscle contains 250 capillaries with a radius of 4m each. We calculate how much this muscle slab weighs,

how much surface area of capillaries there are in the muscle,

and then we will divide the area by the mass of the muscle to find the surface area per unit weight of muscle

The volume of the piece of muscle is;

=1 mm² x 500 x 10⁻⁶ m

= 1 mm² x 0.5 mm

= 0.5 mm³

Now since 1cm = 1000mm

Therefore, the volume will be equal to

= 0.5 x 10⁻³ cm³

And its mass is 0.5 x 10 ⁻³ cm³ x 1.08 g cm⁻³

= 0.54 x 10⁻³ g

surface area of a single capillary is = 2B × r × l

where;

r = radius, l = length

∴ surface area = 2 B x 4 x 10⁻⁶ m x 500 x 10⁻⁶ m

= 12566 x 10⁻¹² m²

Now for 250 capillaries the total surface area is 250 x 12566 x 10⁻¹² m²

= 3141500 x 10⁻¹² m² in a mass of muscle that weighs 0.54 x 10⁻³ g.

So the surface area of capillaries is 3.1415 x 10⁻⁶ m²/ 0.54 x 10⁻³ g

= 5.818 x 10⁻³ m² g⁻¹ x 1 g /100 g

= 0.58 m²/100 g

3 0

3 years ago