Explain why increasing extracellular K+ causes the membrane potential to change to a less negative value

Answers

Answer 1

Increasing extracellular K+ increases the positive charge outside the cell, making the inside of the cell (membrane potential) more negative. This inhibits net diffusion of Na+ into or out of the cell.


Related Questions

⚠️Take 50 point!!!!please help!!! Q: choose the best correct answer . 1. During the treatment of hyperopia with PRK, the curvature of the anterior corneal surface must A: be flattened. B: remain unchanged. C: be steepened. 2. Er:YAG lasers are not suitable for the treatment of caries because of A: cytotoxicity. B: low efficiency. C: thermal effects. 3. Angioplasty with excimer lasers is likely to induce A: atherosclerosis. B: restenosis. C: thermal injury. 4. In stapedotomy with Er:YAG lasers, the fluence should be limited to A: 1 J/cm2. B: 10 J/cm2. C: 100 J/cm2.​

Answers

1. A. be flattened

2. C. thermal effect

3. A. atherosclerosis

4. C. 100 J / cm2

During the treatment of hyperopia with PRK, curvature must be flattened. Lasik and PRK both methods are used to treat hyperopia farsightedness. The PRK treatment is mostly common in Europe. The curvature of anterior corneal surface is flattened during the surgery.

Excimer laser angioplasty is a safe technique used for patients who are suffering with atherosclerosis.

The distance of the laser tip to tooth must be kept at least 10 cm to avoid thermal damage to the teeth.

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Which of the following best describes the cell membrane?
Question 10 options:

1)

Selective semipermeable membrane

2)

Double-layered structure with pores

3)

Sticky, semifluid material

4)

Network of tubular structures

Answers

2

The cell membrane has 2 layers and is not a solid structure, it has millions of smaller molecules that create a porous container.

Answer:

1) Selective semipermeable membrane

Explanation:

Cell membrane is selectively permeable. This means that, it only allows molecules that are able to pass through the pores while those that are large are are not allowed to pass through.

absolute contraindications to estrogen therapy
a. a. hx of any type of cancer
b. clotting disorders
c. hx of tension headaches
d. orthostatic hypotension

Answers

Explanation:

A. HX of any type of cancer

A participant missed several study visits and the research site staff becomes aware of a participant's death searching through public records. What is the most appropriate next course of action?

A. Report this as a serious adverse event (SAE).

B. Report this as an adverse event (AE).

C. No action is required.

D. Contact the Study Physician for instructions on next steps

Answers

Answer:

The correct answer is - A. Report this as a serious adverse event (SAE).

Explanation:

A serious adverse effect (SAE) is a condition that can cause a threat to the patient's life or functioning. As here the research site staff becomes aware and knows of a participant's death searching through public records it is called  a serious adverse effect (SAE).

Thus, the correct answer is - A. Report this as a serious adverse event (SAE).

What is medicine and who created it

Answers

Answer:

Medicine is the science or practice of the diagnosis, treatment, and prevention of disease or a compound or preparation used for the treatment or prevention of disease, especially a drug or drugs taken by mouth. And I'm pretty sure it is Hippocrates

Explanation:

Just search it up on G00gle

The meaning of analysis is
A. absence of a whole
B. to dissect.
C. a cutting apart.
D. a separating into parts.

Answers

Answer:

the answer is C. a cutting apart

55 yr old female with hx of MI , with LDL of 130 HDL of 35 and triglycerides of 150 BMI of 26, Should she begin therapy of atorvastatin ?

Answers

Answer:

25

Explanation:

jaom cajaps. zis s C's ss

About lasiks eye surgery, Provide an example of changes over the years that may have prompted the public to opt for this procedure to correct their vision.

Answers

for one they are very precise with it and have to be very gentle

Mr. Lombardi is interested in a Medicare Advantage (MA) PPO plan that you represent. It is one of three plans operated by the same organization in Mr. Lombardi’s area. The MA PPO plan does not include drug coverage, but the other two plans do. Mr. Lombardi likes the PPO plan that does not include drug coverage and intends to obtain his drug coverage through a stand-alone Medicare prescription drug plan. What should you tell him about this situation?

Answers

Answer:

option A :

He could enroll in one of the MA plans that include prescription drug coverage or a Medigap plan and a stand-alone prescription drug plan, but he cannot enroll in the MA-only PPO plan and a stand-alone prescription drug plan.

have a great day!

Patient had an outpatient cystoscopy. The preoperative diagnosis is hematuria. Postoperative diagnosis is hematuria due to bladder cancer.

Answers

Hi. Your question is incomplete and this makes it impossible for it to be answered. However, when researching your question on the internet, I was able to find another question exactly like yours, which asked what was the CID 10 code for this case. So I hope the answer below can help you.

Answer:

C67.9

Explanation:

ICD 10 is a set of international disease codes. These codes aim to create a single language for all healthcare professionals around the world and thus streamline research, treatments and solutions for the problems patients are facing.

In the case shown in the question above, we can see that the patient has hematuria that can only be explained by the occurrence of bladder cancer. In this case, the CID 10 code is C67.9.

one reason a
phlebotomist should
organize his supplies
before beginning a
blood draw is that
a) specimens must be
collected in a particular
order
b) patients find this
reassuring
c) supervisors might be
watching
d) this prevents other
phlebs from taking
supplies

Answers

a. specimens must be collected in a particular order

You received an order to administer 400 mL of D10W at a rate of 30 ml/h. How long it will take to finish the IV. Calculate your answer in hours and minutes
if required.
O a. 13 hours and 33 minutes
b. 13 Hours exactly
C 12 Hours and 50 minutes
O d. 13 Hours and 20 minutes

Answers

A would be the answer

What are the key features of this organ?
Name the organ.

Answers

I am not sure but I think that could be the liver , nucleus , what part of the body is that it all depends

3. After talking with the patient Dr.penningworth has approved the request for one refill .what is susan next step?

Answers

Explanation:

Explanation: Susan's next logical step would be to take the prescription to her local pharmacy and give it to the Pharmacist. The Pharmacist will read the presciption and fill a bottle with the prescribed medication that Dr. Penningworth has approved Susan to take.

15. __________ is often the first drug many people abuse.

Answers

Explanation:

Tobbaco.

found in cigarettes

A 40-year-old woman has an 80-year-old mother who recently fractured her hip and femur after a minor fall. The woman is aware that her mother has decreased in stature by nearly 4 inches. What condition does the mother have, and what sorts of precautions should the woman take to avoid a similar condition

Answers

Answer:

The correct answer is - osteoporosis

Explanation:

The 80 year old woman appears to have osteoporosis due to her brittle bones and decrease in stature.

To stay away from this condition, the multi year elderly person ought to keep up a sound way of life by eating right and working out, taking nutrients consistently, and guaranteeing that she gets heaps of calcium.

Individuals who are in a state of blank are more likely than others to become isolated

Answers

Answer:

Yes

Explanation:

Because if they're dazed out and not paying attention to their surroundings and the people around them, then people will start to ignore them and think something's wrong with them.

Mr. McConnley has some flulike symptoms. What other respiratory disorder do these symptoms mimic?

Answers

Answer: Severe Common Cold, Penumiona, and Severe Types of Coronavirus

Explanation:  These respiratory disorders can cause trouble breathing and acute repistory syndrome.

The respiratory disorder that these symptoms mimic is pneumonia.

From the complete information, Mr. McConnley believes that he has the flu due to the fact that he has a high fever, fatigue, severe headache, and diarrhea.

Pneumonia refers to a form of acute respiratory infection which affects the lungs. It is an infection that leads to the inflammation of the lungs. The symptoms include high fever, fatigue, severe headache, difficulties in breathing, cough, etc.

Based on the information, it's possible that he has pneumonia.

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Una mujer empieza menstruar el día 10 de mayo su ciclo menstrual es de 28 días. Anote la cantidad de óvulos que su sistema reproductor libera en un año

Answers

Answer:

Su sistema reproductor libera 13 óvulos en un año.

Explanation:

Dado que una mujer empieza menstruar el día 10 de mayo y su ciclo menstrual es de 28 días, para determinar la cantidad de óvulos que su sistema reproductor libera en un año se debe realizar el siguiente cálculo:

365 / 28 = X

13 = X

Por lo tanto, su sistema reproductor libera 13 óvulos en un año.

How would you design a protective structure for a vital organ?

Answers

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How would you design a protective structure for a vital organ?

How would you design a protective structure for a vital organ?100% rating (3 votes)

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:How would you design a protective structure for a vital organ?

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:How would you design a protective structure for a vital organ?Protection of Vital Organs—Design and Structure:

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:How would you design a protective structure for a vital organ?Protection of Vital Organs—Design and Structure:Vital organs are by design and definition VITAL; therefore, they require complex and adaptive protective mechanisms and structures surrounding them.

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:How would you design a protective structure for a vital organ?Protection of Vital Organs—Design and Structure:Vital organs are by design and definition VITAL; therefore, they require complex and adaptive protective mechanisms and structures surrounding them.Answer and Explanation: 1

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:How would you design a protective structure for a vital organ?Protection of Vital Organs—Design and Structure:Vital organs are by design and definition VITAL; therefore, they require complex and adaptive protective mechanisms and structures surrounding them.Answer and Explanation: 1Become a Study.com member to unlock this answer! Create your account

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:How would you design a protective structure for a vital organ?Protection of Vital Organs—Design and Structure:Vital organs are by design and definition VITAL; therefore, they require complex and adaptive protective mechanisms and structures surrounding them.Answer and Explanation: 1Become a Study.com member to unlock this answer! Create your accountThe challenge with formulating a design for a protective structure for a biological organism is two-fold. It must be robust enough to withstand varied...

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:How would you design a protective structure for a vital organ?Protection of Vital Organs—Design and Structure:Vital organs are by design and definition VITAL; therefore, they require complex and adaptive protective mechanisms and structures surrounding them.Answer and Explanation: 1Become a Study.com member to unlock this answer! Create your accountThe challenge with formulating a design for a protective structure for a biological organism is two-fold. It must be robust enough to withstand varied...See full answer below.

How would you design a protective structure for a vital organ?100% rating (3 votes)Question:How would you design a protective structure for a vital organ?Protection of Vital Organs—Design and Structure:Vital organs are by design and definition VITAL; therefore, they require complex and adaptive protective mechanisms and structures surrounding them.Answer and Explanation: 1Become a Study.com member to unlock this answer! Create your accountThe challenge with formulating a design for a protective structure for a biological organism is two-fold. It must be robust enough to withstand varied...See full answer below.Each lung is contained within a pleural cavity, the space between the outside of the lung and inside of the chest wall. Pleural membranes cover the outside of the lungs and line the inside of the chest wall. The lungs remain expanded when we breathe due to a vacuum effect within the pleural cavity.

A design comprise of strong material that surrounds the vital organ.

We design a protective structure for a vital organ from skeleton by surrounding as well as space for its expansion and enlargement because skeleton is hard enough to protect the structure of the vital organs of the body.

The skeletal system serves as a protective framework for vital organs in the human body. In human body, the skeleton is covered around the vital organs as well as also provides some space for its expansion so we can conclude that design comprise of skeleton that surrounds the vital organ.

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Which of the following best describes “sleep-driving”

Answers

Answer:

Sleep driving refers to a motorist falling asleep while operating a vehicle on the road.

There aren’t options but sleep driving refers to one falling asleep whilst behind the wheel (driving).

A facility with 40 beds needs the following aide coverage:

Answers

Answer:

10A NCAC 13F .0206       CAPACITY

(a)  The licensed capacity of adult care homes licensed pursuant to this Subchapter is seven or more residents.

(b)  The total number of residents shall not exceed the number shown on the license.

(c)  A facility shall be licensed for no more beds than the number for which the required physical space and other required facilities in the building are available.

(d)  The bed capacity and services shall be in compliance with G.S. 131E, Article 9, regarding the certificate of need.

 

History Note:        Authority G.S. 131D-2.4; 131D-2.16; 143B-165;

Eff. January 1, 1977;

Readopted Eff. October 31, 1977;

Amended Eff. April 1, 1984;

Temporary Amendment Eff. July 1, 2003;

Amended Eff. June 1, 2004;

Pursuant to G.S. 150B-21.3A, rule is necessary without substantive public interest Eff. March 6, 2018.

Explanation:

It is summer and an 82-year-old woman is brought to you from her home after seeing her primary care doctor 2 days ago. She was started on an antibiotic at that time. Today, she comes to the emergency room not knowing where she is or what year it is. What could be a likely cause of this

Answers

This could have been a case of polymedication, but I doubt it since it is an 82-year-old woman. I'm not sure if they are antibiotics, but benzodiazepines and anticholinergic drugs can cause amnesia. Or, it is a possibility her primary care doctor gave her the wrong dosage of the antibiotics, causing side effects, one of them possibly being amnesia.

Which of the following statements describes mental disorders? A.Mental disorders are usually only found in individuals with low mental capabilities. B.Mental disorders are best managed without assistance .C.Mental disorders are illnesses that affect a person's emotions, behavior, and thoughts. D.Mental disorders are not true diseases.

Answers

the correct answer seems to be “ c . mental disorders are illnesses that affect a person’s emotions , behaviors , and thoughts . ‘

Please Answer Fast Before Friday July 23, 2021. Sara, a 14-year-old, has come to the office for her school physical. She is very remote, moody, and unwilling to answer any questions you ask her as part of her physical exam. She seems to have changed a great deal in the past year, and is thinner, more unkempt, and lethargic. You notice also that her mother is constantly badgering her and rolling her eyes in exasperation at her lack of cooperation. What could you do to facilitate the examination and improve communication with Sara? What possible problems could Sara be experiencing? What should you do about the concerns that you have for Sara?

Answers

Answer:

Sara is likely suffering from depression

Explanation:

To facilitate the exam, ask the parent to wait in the waiting area so you and Sara can talk alone. This way Sara will feel more comfortable in discussion with you without her mother hovering.

Sara may be suffering from depression. Her mother's criticism and judgements may be making her feel down or never "good enough".

To address your concerns for Sara:

1. administer a depression screening such as the PHQ-9 depression test questionnaire. If you find Sara is indeed depressed or has thoughts of hurting herself or others, she will need prompt treatment from a qualified health professional.

2. If Sara does NOT have intentions of hurting herself and her behavior is related to parent conflict, friend conflict, etc. then get her permission to have a discussion with her mother about it.

3. provide Sara with local/national hotline for depression and any other mental health resources that are available in your area (therapists, psychiatrists, community centers, etc.)

4. Follow-up with Sara with another visit in a timely manner to access her mental health.

Something is going on with her maybe try taking to her without her mom in the room where it’s one on one

According to the NHSLS, about _____ of men report always having an orgasm with their partner. Group of answer choices 75 percent 15 percent 55 percent 35 percent

Answers

Answer:

According to the NHSLS, about _____ of men report always having an orgasm with their partner.

75 percent

Explanation:

Whereas 75% of the men reported having an orgasm with their partner, only 29% of the women experienced orgasm, according to the National Health and Social Life Survey (NHSLS) reports.  Female orgasm marks the climax of contraction of the vaginal walls or the general feeling of heightened warmth as a result of sexual stimulation.  It usually emanates from the pelvis, spreading throughout the entire female body with phases of sexual tension experienced during lovemaking.  Seminal fluids are also released at such lovemaking climax, especially by males.

Which of the following is an argument? If you don't water your plants, they will wilt. If you water them, they will be healthy. If you fertilize them, they will be healthier. I got eight hours of sleep and ate a healthy breakfast. Therefore, I am going to have a great day. Donuts are the best breakfast food. I had one this morning. Every time your phone rings, your brain releases a chemical called dopamine.

Answers

Answer: I got eight hours of sleep and ate a healthy breakfast. Therefore, I am going to have a great day.

Explanation:

An argument refers to a series of statements which are referred to as the premises which is used in determining the truth of the conclusion.

An argument is a set of statements, such that some of the statements provide support for another statement. With regards to the question, the argument is "I got eight hours of sleep and ate a healthy breakfast. Therefore, I am going to have a great day".

Mr. Chin is an 82-year-old man who comes to your office for a routine check. On examination, you notice a somewhat high-pitched murmur in the second right intercostal space during systole. It does not radiate and the rest of his examination is normal for his age. Which is true of the most likely cause of this murmur

Answers

Answer: mildaortic stenosis

Explanation:

since it is during systole, in second right intercostal space and a murmur its possibly mildaortic stenosis

What is the opposite of spend

Answers

Answer:

Ahorrar

Explanation:

Question 15 of 20:
Select the best answer for the question
15. What type of pharmacy would you go to in order to purchase a medication if you are not in an inpatient facility?
O A. Hospital pharmacy
O B. Community pharmacy
C. Mail order pharmacy
OD. Nuclear pharmacy

Answers

Answer:

The answer would be B: Community pharmacy

Explanation:

To me it would be the most logical answer.

Answer:

I think mail other pharmacy

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