In utero the fetus receive oxygenated blood and gives back deoxygenated blood through umbilical arteries and veins attached to the placenta. Given what you know about the definition of arteries and veins, which of the two brings oxygen rich blood to the fetus?a. Umbilical artery
b. Umbilical vein
c. What? I didn't realize we were already on the repro section

Answers

Answer 1
Answer:

Answer:

B

Explanation:

The umbilical vein carries oxygenated, nutrient-rich blood from the placenta to the fetus, and the umbilical arteries carry deoxygenated, nutrient-depleted blood from the fetus to the placenta


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Paulo is an engineer who is hired to design and build equipment for a neuroscience lab that would like to directly record the action potentials of individual neurons. His initial proposal allows for the detection of multiple simultaneous action potentials from the same neuron. A second engineer, Erica, who is reviewing his plans tells him, "You don't need to worry about that. It can't happen." Is Erica's statement true or false?
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Almost all bleeding can be controlled by:A) packing the wound.B) pressure points.C) direct pressure.D) elevation.

A nurse is discussing adverse reactions to pain medications in older adult clients with a newly licensed nurse. Which of the following findings should the nurse include as risk factors for an adverse drug reaction? (Select all that apply.)a. Decreased percentage of body fat
b. Polypharmacy
c. Multiple health problems
d. Increased rate of absorption
e. Decreased renal function

Answers

Answer:

The answer is B, C, E

Explanation:

Older patients tend to be people with multiple pathologies, which forces them to be taking different medications for each of them, this polypharmacy can lead to an adverse alteration in the senile patient. knowing that they are older adults they will have a certain degree of renal dysfunction which will not allow the elimination of the metabolites of these medications.

Important Pharmacy ReferencesIdentifying the Supplements Reference

Where would you expect to find information about herbal supplements?

a. the Red Book
b. Drug Facts
c. Natural Medicine's Comprehensive Database
d. US Pharmacopeia Drug Information

Answers

Answer:

C. Natural Medicine's Comprehensive Database

Explanation:

I calculated it logically

What should be lewis immediate concern and action on hearing the emergency tornado and warning announcement?

Answers

The correct answer to this open question is the following.

Unfortunately, you did not include any text, context, article, or any other useful reference to know who is Lewis and his context.

However, we can help you to answer in general terms.

When hearing the emergency tornado and warning announcement, you immediately have to take the proper actions included in your emergency plan.

According to the Occupational Safety and Health Administration (OSHA), it is highly recommended that people and businesses previously develop an emergency plan in ca of a tornado.  This way, when a situation like this happens, yo have already know the proper steps to take with calm, instead of panicking for the emergency.

One of the most important things of the plan is to include a place to shelter during the tornado. So you elaborate a risk assessment, prepare a shelter, have enough food and water to spend a couple of days in there, evacuate your home or workplace on time, and lockdown.

The west nomogram chart has how many Columns

Answers

Answer:

THREE

Explanation:

Lymphatic organ that removes pathogens by filtering blood is the a. lymph node
b. spleen
c. thymus
d. tonsil
e. thyroid

Answers

Answer: Lymph node

Explanation:

The lymphatic system of the body works by filtering the blood and remove the harmful pathogen that is present in it.

There are several organs in the lymphatic system that works together at different sites in the body and helps body prevent and cure from infection.

Lymph nodes function to remove pathogen and debris from lymph and it is also referred as filters of lymph. The macrophages and dentritic cells kill the harmful pathogen in the blood.

Hence, the correct answer is option A

the client has been prescribed a 4 gram bolus of magnesium sulfate to run over 20 minutes. it arrives from the pharmacy diluted in 250 ml of normal saline. what rate does the nurse set the iv pump to run the bolus? (enter a whole number, round as needed. )

Answers

The nurse needs to set the IV pump to provide 4 grams of magnesium sulfate over a 20-minute period to run the bolus.

Since the bolus comes diluted in 250 mL of normal saline, the nurse needs to calculate the rate at which the bolus will be delivered. To do this, the nurse needs to divide the amount of magnesium sulfate (4 grams) by the time it should take to deliver the bolus (20 minutes). This gives a rate of 0.2 grams per minute.

However, since IV pumps deliver in milliliters per hour, the nurse needs to convert this rate to mL/hr. To do this, the nurse multiplies 0.2 grams/minute by 60 minutes/hour, giving a rate of 12 mL/hour. Therefore, the nurse should set the IV pump to 12 mL/hour to provide the 4-gram magnesium sulfate bolus over 20 minutes.

know more about bolus here

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The IV pump rate for a 4 gram bolus of magnesium sulfate to run over 20 minutes with a total volume of 250 mL should be set at 750 mL/hr.

To calculate the IV pump rate for a magnesium sulfate bolus of 4 grams to be administered over 20 minutes, we need to know the total volume of the IV fluid which is 250 mL.

Since the entire 250 mL should be administered in 20 minutes, we first convert minutes to hours because infusion pumps are calibrated in mL per hour. Thus, 20 minutes is ⅓ of an hour.

To find the infusion rate in mL/hour, we use the formula:

  • Infusion rate (mL/hr) = Total volume (mL) / Time (hr)
  • Infusion rate = 250 mL / (⅓ hr)
  • Infusion rate = 250 mL / 0.333hr
  • Infusion rate = 750 mL/hr

Therefore, the nurse should set the IV pump to run at a rate of 750 mL/hr to administer a 4 gram bolus of magnesium sulfate diluted in 250 mL of normal saline over 20 minutes.