Explain the effect that extreme vagus nerve stimulation had on the heart. how well did the results compare with your prediction?

Answers

Answer 1
Examples of vagus nerve stimulation is the Valsalva maneuver as well as massaging the carotid area. The extreme vagus nerve stimulation will produce a significant decrease in heart rate because the vagus nerve has autonomic functions, specifically primarily parasympathetic output. Parasympathetic stimulation of the heart decreases the conduction velocity (negative dromotropic effect) of the impulses from the sinuatrial node to the Purkenji fibers therefore decreasing the overall heart rate (negative chronotropic effect).
Answer 2
Final answer:

Extreme stimulation of the vagus nerve can decrease heart rate significantly, causing symptoms ranging from dizziness to cardiac arrest. These effects are predictable given the vagus nerve's role in the parasympathetic nervous system.

Explanation:

The vagus nerve, also known as the tenth cranial nerve, is primarily responsible for the regulation of internal organ functions. When the vagus nerve is stimulated excessively, it results in what is known as the vagal response. This response can significantly decrease the heart rate, leading to symptoms such as dizziness, fainting, or in extreme cases, cardiac arrest. The results of extreme vagus nerve stimulation on the heart are generally predictable based on understanding the function of the vagus nerve in the body's parasympathetic nervous system.

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Related Questions

When crossing an organism that is homozygous recessive for a single trait with a heterozygote, what is the chance of producing an offspring with the homozygous recessive phenotype ?
a. 50%
b. 25%
c. 0%
d. 75%
e. 100%?

Answers

When crossing an organism that is homozygous recessive for a single trait with a heterozygote, there is a 50% chance of producing an offspring with the homozygous recessive phenotype.

When crossing an organism that is homozygous recessive for a single trait with a heterozygote, 50% is the chance of producing an offspring with the homozygous recessive phenotype.

What is phenotype ?

A set of an organism's observable qualities or characteristics is known as its phenotype. The phrase refers to an organism's morphology, or its physical shape and structure, as well as its physiological and biochemical characteristics, behavior, and the outcomes of that behavior.

Earwax type, height, blood type, eye color, freckles, and hair color are phenotypic examples in humans. A phenotype is more than simply a physical characteristic. Behavior is regarded as a phenotype as well.

We examine the alleles of the parent organisms and predict how frequently the offspring will display those genes to determine a phenotypic ratio.

Thus, option A is correct.

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explain why the risk factors for heart disease and strokes are similar

Answers

Likewise, stroke is a risk factor for coronary heart disease. Coronary heart disease and stroke share many of the same risk factors such as high LDL (“bad”) cholesterol levels, low HDL (“good”) cholesterol levels, high blood pressure, smoking, diabetes, physical inactivity, and being overweight or obese.

What compound is produced during regeneration?

Answers

Fixation during which the enzyme RuBisCO incorporates (fixes) carbon-dioxide into 3-PGA; 2. Reduction during which 3-PGA is reduced using NADPH as electron supply; 3. Regeneration during which RuBP is regenerated so the cycle can start again.

in the late 1950's a woman named velma b. johnston, nicknamed _____, petitioned congress to stop the cruel treatment of the wild burros and horses,

Answers

In the late 1950s, a woman named Velma B. Johnston, nicknamed "Wild Horse Annie," asked Congress to stop the cruel treatment of donkeys and wild horses. She made a bill to prohibit the use of motor vehicles to hunt them on public lands. Also known as the cause of the horse

Why are horses and donkeys considered different species, even though they can produce offspring? A. The offspring is not fertile.

B.The offspring does not live to reproductive age.

C.The offspring reproduces at a different time of year.

D.The offspring can reproduce.

Answers

The answer to this question is A.

The offspring is not fertile.           is the answer

Post-lab questions: define blood pressure: pressure of the blood in the circulatory system. identify what measurement is used to study blood pressure: mmhg what are the names of the instruments used to measure blood pressure: 1) sphygmomanometer 2) stethoscope the greatest force of the blood against the walls of the arteries during ventricular contraction is called: systolic pressure the constant pressure in the walls of the arteries is called: diastolic describe the normal ranges for each type of blood pressure measurement: 1) 2) if you can palpate a radial pulse from your partner. their bp is at least 80 . if this was not present, but they had a femoral pulse, their bp is 70. if neither was present, but they had a carotid pulse, their bp is 60. if there is no pulse, they are dead. what are the four main factors that influence blood pressure? 1) 2) 3) 4) describe the three factors that may increase blood pressure. 1) 2) 3) describe the three factors that may decrease blood pressure. 1) 2) 3) what other factors may cause miscellaneous readings of blood pressure? 1) 2) how is the blood pressure recorded? identify two types of blood pressure cuffs. 1) 2) describe the exact location you should place the blood pressure cuff. in what direction should the earpieces of the stethoscope be pointed? is having high blood pressure good or bad? why? please explain your thoughts. is having low blood pressure good or bad? why? please explain your thoughts.

Answers

Within certain limits, the lower your blood pressure reading is, the better. There is also no specific number at which day-to-day blood pressure is considered too low, as long as none of the symptoms of trouble are present.

The respiratory exchange ratio (rer) is a way of determining the body's metabolism of:

Answers

The respiratory   exchange ratio  (RER)   is  a  way  of   determining  the   body  metabolism  of  carbohydrate  and  fat.
   T
he   respiratory   exchange  ratio   is  the ratio  between  the  amount  of  carbon  dioxide  produced  and  oxygen  used. Measuring  this  ratio   can  be  used  to  estimate  the  respiratory  Quotient (RQ)  which  an  indicator  of  which  carbohydrate or  fat  is  being metabolized  to  supply  the   body  with    energy.

1.
Viruses (1 point)

have large central nuclei.
vary greatly in size and structure.
rarely contain DNA or RNA.
can be seen with a basic compound light microscope.

Answers

Viruses vary greatly in size and structure. Viruses are small particles which are neither living nor dead. they are having RNA or DNA and a protein coat. They have different size and structure. Viruses attacking bacteria called bacteriophages have complex structure and size.

Answer:

Answer is B.

Explanation:

In the initial period of learning, ________ describes when an organism learns to connect a neutral stimulus and an unconditioned stimulus. acquisition conditioning extinction neutral stimulate

Answers

Answer:

Option A, Acquisition

Explanation:

The first stage of learning is known as acquisition. It causes establishment of responses by pairing of Neutral stimulus, conditioning and un-conditioning stimulus. Once the association between a neutral stimulus and conditioned stimulus is established, the responses are acquired.  

For example – If a bird is trained to pick a key whenever there is a  sound of a bell, then after certain period of time an association will be established between the “ringing of bell” and “picking up of key” activity. Therefore, whenever the bird will hear the ringing sound it will search for key to be picked.

Thus, option A is correct.

In the initial period of learning acquisition helps an organism to learn to connect a neutral stimulus and an unconditioned stimulus.

Further Explanation:

Stimulus is anything that induces any particular working reaction in an organ or the tissue.

An unconditioned stimulus elicits the unlearned response and an unconditioned response is the naturally occurring response

Classical conditioning is a kind of learning wherein a subject starts to respond to neutral stimulus as it would do to another stimulus by learning the way to connect the two stimuli

Acquisition can be defined as the duration of  learning in Classical conditioning where human or any other animal starts to link a neutral stimulus and an unconditioned stimulus which allows the neutral stimulus to start exhibiting the conditioned response.

Extinction can be defined as the progressive weakening and eventually fading of the conditioned response.

Neutral stimulus can be defined as the stimulus which before conditioning do not produce any specific response.

Conditioned stimulus are the neutral stimulus that starts eliciting a conditioned response once it pairs with an unconditioned stimulus.

Learn more:

1.Learn more about memory https://brainly.com/question/2034996

2. Learn more about animal https://brainly.com/question/10208427

3. Learn more about human https://brainly.com/question/4674681

Answer Details:

Grade: College biology

Subject: Biology

Chapter: Learning and memory

Keywords:

Stimulus, organ, tissue, unconditioned stimulus, acquisition, animal, neutral stimulus, conditioned response, extinction.

*Pleeeeaaaase*

The partial pressure of oxygen inside the lung (alveolar air) is usually _________ kPa and the partial pressure of oxygen in the adjacent pulmonary blood is ________ kPa.

Answers

Partial pressure (Px) is the pressure of a single type of gas in a mixture of gases. The partial pressure of oxygen inside the lung (alveolar air) is usually 13.86552829116 kPa (104 mm Hg) and the partial pressure of oxygen in the adjacent pulmonary blood is 13.3322387415 kPa (100 mm Hg)

Answer:

104 mm Hg  100 mm Hg

Explanation:

Waves break on a beach due to:
1 turbulence near the shoreline
2 reducing depth of water near beach
3 increasing wavelength near beach

Answers

Answer:

The answer choice to the statement: Waves break on a beach due to:___ would be: 2. Reducing depth of water near the beach.

Explanation:

The reason why a wave ends its forward momentum as it reaches land, has to do with the amount of space between the ocean floor that starts diminishing and the water that is moving forward. As land starts to become an obstacle for the speed of motion of the water that was coming in, the more land the incoming water encounters, the slower its motion, until suddenly, the motion stops. This is called the breaking of the waves, and it stops water from moving inland further than it has to. This will change if the ratio of water vs land obstacle is overcome, as is the case of a high tide.

Answer:

It would be number 2

Explanation:

How many different ways can homologous recombination cause gene conversion?

Answers

Gene conversion is the process by which one DNA sequence replaces a homologous sequence such that the sequences become identical after the conversion event.

A client in the intensive care unit (icu) is on a dobutamine drip. during an assessment the client states, "i was feeling better but now my chest is tight and i feel like my heart is skipping." physical assessment reveals a heart rate of 110 beats per minute and blood pressure of 160/98 mm hg. what is the nurse's immediate concern for this client

Answers

The answer would be: Dosage may need to be decreased.

Dobutamine is a drug that increases the strength and frequency of heart pump. It is frequently used in ICU to help the patient with a heart problem. While it can help strengthen the heart, high doses might cause arrhythmia which could threaten the patient life. That is why the doses need to be titrated carefully.

What was the “ new “ evidence that was discovered that supported the theory of plate tectonics and when was it discovered ?

Answers

Inge Lehmann's discovery of a solid outer core in Earth's layers. Hope I helped! Please mark as Brainiest!

Answer:

Bands of rock with alternating magnetic polarities were discovered on either side of the Mid-Atlantic Ridge in the 1960’s. As the youngest rock appears near the center of the ridge and the oldest rock appears further away, this suggests that the oceanic plates are moving away from the plate boundary.

Explanation:

edg sample answer :p

The parents of a school-aged child with cystic fibrosis tell the nurse that they have changed to natural pancreatic enzymes because of money issues. what is an appropriate response by the nurse?

Answers

The most appropriate response would be to tell the parents that Generic enzymes are not as effective as the brand-name one and therefore, the matter should be discussed with the healthcare provider. Cystic fibrosis is an inherited disorder that causes severe damage to the lungs, digestive system and other organs of the body. It affects the cell that produce mucus, sweat and digestive juices such that the secreted fluids are thin and slippery.The pancreas in people with this disorder produces a thick mucus that blocks the secretion of enzymes needed for digestion, called the pancreatic insufficiency.

An object will absorb all colors of light except for the color that it appears to be.

Answers

a white object reflects all the wavelengths of visible light and appears white.
Yes, for example purple object absorbs all colors but its own.

Compared with nuclear families, extended families typically _____.

Answers

include grand parents.

Nuclear family is a family group with 2 parents and their children. This is a type of family structure.  It typically centered on married couple. This is in contrast to other family group such as single parent, extended types. Extended family extends beyond the nuclear family usually extended by grand parents. Usually they live under one roof. Certain family structure has advantages and disadvantages. This is also affected by the culture and way of living of the family. 

Answer:

The correct answer would be - include grand parents or two or more blood related adults.

Explanation:

A nuclear family is a family that base on a single married couple and their children. It consist only one couple and their children. It is an ideal family as it support children to get stability and strength from both parents and ease. Extended family consist two or more adult couple related by blood or marriage such as grand parents or uncle and aunt.

Thus, the correct answer would be- include grand parents or two or more blood related adults.

What are the four different type of bases in DNA and how do they pair

Answers

Adenine, Thymine, Guanine, and Cytosine

They possess complimentary paring. Meaning the one will only bind another, and will not bind with and other one

7. carbon dioxide is a colorless odorless gas why is it considered a pollutant?

A. it gets into natural waters and kills fish

B. it promotes algal growths in natural waters

C. it causes respiratory illness in humans

D. it increases the warming of the atmosphere

Answers

D. it increases the warming of the atmosphere. Even though carbon dioxide is really great for plants, it is not so great for our atmosphere. It can even be harmful to your health.

Because D, it warms the atmosphere and pokes holes in the ozone layer.

Suppose that you set up a potometer with a bean seedling that is badly wilted. its leaves are wrinkled and drooping. over the course of 30 minutes you observe that the leaves expand and return to an erect state. you also record a drop of 0.54 ml in the pipet of the potometer. is this an accurate measure of the amount of water transpired by the seedling? explain your answer.

Answers

No. The recorded drop in water in the pipet of the potometer would have been used not only for plant transpiration, but also to return the plant cells to a turgid state. Turgid means to expand due to high fluid content. Plants are required to maintain turgid cells to maintain an upright position as loss of turgidity results in plant wilting.

Foods are broken down into simple molecular subunits for distribution and use throughout the body. which type of simple subunits, listed below, is used preferentially as an energy source?

Answers

could you please post a picture of the options

Gel electrophoresis separates dna fragments according to their ________.

Answers

Gel electrophoresis separates DNA fragments according to size. Samples containing a mixture of DNA molecules of different sizes are loaded on to the gel. When an electric current is applied DNA moves towards the positive electrode since DNA is negatively charged.
Final answer:

Gel electrophoresis separates DNA fragments according to their size. Nucleic acids are loaded into a gel matrix and an electric field moves them, with smaller fragments moving faster than larger ones, creating separation.

Explanation:

Gel electrophoresis is a technique commonly used to separate biological molecules, particularly DNA fragments, based on their size. The process involves loading nucleic acids into a slot near the gel's negative electrode. Due to the negative charge of nucleic acids at neutral or basic pH in an aqueous environment, an electric field can mobilize them towards the positive electrode at the opposite end of the gel.

Size separation occurs due to the gel's porous matrix: smaller fragments move faster through the pores than larger ones, thus, creating a separation. This concept is visually manifested on the gel as bands at specific distances from the top, with each band representing DNA fragments of a particular size. A mixture of fragments varying in size may appear as a long smear, while uncut genomic DNA is often too large to run through the gel, creating a single large band at the top of the gel.

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Explain how you and a friend could be exposed to the same microbes and only one of you becomes sick.

Answers

One is probably because your friend has a stronger immune system than you and is able t fight the bacteria infection. The other is probably that your friend is also infected but does not show any symptoms of the infection, in what is referred to as latent infection. The bacteria enters a lysogenic cycle  in your friend’s body rather than the more virulent lytic cycle (that happens to you).  






The nurse is developing an educational program about prostate cancer. the nurse should provide information about which topic?

Answers

Cancer in general...What cancer is...Where can cancer spread to...When to get checkups...and How can someone seek appropriate treatment and the help they need that is emotionally and physically.

He nurse delegates the care of a multiparous client who gave birth to a viable term neonate vaginally 30 hours ago and is preparing to be discharged to a licensed practical/vocational nurse (lpn/vn). the nurse should instruct the lpn/vn to notify the nurse if the client exhibits which sign or symptom?

Answers

The correct answer is "pulse rate of 100 bpm".
During the first week after giving birth, the female body starts returning to the pre-pregnant state. These first days postpartum, the pulse rate should be relatively low and 60-70 bpm on average. Any pulse rate exceeding this could indicate a dangerous condition for the young mother, such as an infection or internal haemorrhage. Excessive perspiration and frequent voiding are normal conditions postpartum, as well as oral temperature of 99 F. 
Final answer:

The LPN/VN should notify the nurse of any signs that may suggest postpartum hemorrhage, infection, or other complications, such as excessive bleeding, fever, or severe abdominal pain.

Explanation:

The nurse should instruct the licensed practical/vocational nurse (LPN/VN) to notify the nurse if the multiparous client who gave birth 30 hours ago exhibits any signs or symptoms out of the ordinary postpartum, especially those related to postpartum hemorrhage, infection, or other serious complications. In particular, the LPN/VN should look for excessive bleeding, severe abdominal pain, fever, foul-smelling lochia, or a rapid heart rate. These symptoms could indicate retained placenta fragments, infection, or other complications that require immediate medical attention.

Why is it important to know the background and projected extinction rates for global species?

Answers

It is important to know the background and projected extinction rates for global species because more species are becoming threatened in well-populated and developed countries. Biological extinction is the complete disappearance of a species from the earth. Background extinction rate is the rate that existed before modern humans evolved some 200,000 years ago. The extinction rates have risen in some areas as human populations have spread over most of the globe. 

Where did the water on Earth come from?

A. mainly volcanic eruptions
B. probably from a combination of sources
C. probably from the nebula that formed the planet
D. mainly comets and asteroids

!SCIENCE!

Answers

D, the correct one is D. that is what is thought in most schools.
I think the answer to this is C but it could also be D. There are theories out that that water came from comets and asteroids or nebula that formed the planet. 

Leticia has just learned that she is terminally ill. she is now always irritable, often throws things on the floor, and yells at members of her family and the nurses who care for her. according to elisabeth kübler-ross, leticia is most likely in the _______ stage of dying. anger bargaining denial reactive

Answers

In stages of dying by Kübler-Ross, Leticia is in the second stage which is anger. This is exemplified by her destructive behavior such us throwing things on the floor and yelling at her caregivers. 

The stages of dying are (1) denial, (2) anger, (3) bargaining, (4) depression, and (5) acceptance.
The right option is anger stage of dying
Anger stage is the second stage identified by Kubler-Ross as part of emotional responses to how an individual deals with death and the knowledge of dying. At this stage, the dying person expresses feelings of rage or resentment which may be directed at health care providers and loved ones. From the question, according to Elisabeth Kübler-Ross, Leticia is most likely in the anger stage of dying.

What characteristic of most of the tropical open oceans is directly responsible for the low chlorophyll levels in these waters?

Answers

One characteristic of most of the tropical open oceans that  is directly responsible for the low chlorophyll levels in these waters is Low nutrient concentrations.  

Does an earthworm have an open or closed circulatory system explain

Answers

The correct answer is that Earthworms hold a closed category of circulatory system. The earthworms circulates blood solely through their blood vessels. There are three major vessels that deliver the blood to the organs of the earthworm, those vessels are known to be the aortic arches, dorsal blood vessels, and ventral blood vessels.

Earthworms have a closed circulatory system.

In a closed circulatory system, blood is contained within vessels and pumped by the heart through the body, allowing for efficient distribution of oxygen and nutrients to tissues and the removal of metabolic wastes. Earthworms have a network of blood vessels called capillaries that exchange gases, nutrients, and wastes with surrounding tissues. The blood is pumped by a series of muscular vessels called aortic arches. This closed system helps maintain blood pressure and allows for more efficient oxygen delivery compared to an open circulatory system, where blood bathes the tissues directly.

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