This video presents essential nursing knowledge for critical care scenarios, including: oxygen therapy for COPD patients (24-28% concentration preferred to prevent CO2 retention), ECG changes in hyperkalemia (tall T waves), stridor management (assess airway patency immediately), electrolyte imbalances (hypokalemia causes muscle weakness and flattened T waves), heparin overdose antidote (protamine sulfate), Cushing's triad for increased intracranial pressure (hypertension, bradycardia, irregular respiration), rapid-acting insulin (lispro), Kernig's sign for meningeal irritation, blood transfusion reaction protocol (stop immediately), hyperventilation causing respiratory alkalosis, urine output as the most sensitive indicator of tissue perfusion, uterine massage for postpartum hemorrhage, airborne precautions for pulmonary tuberculosis, third-degree burn classification, Glasgow Coma Scale assessment, HbA1c for long-term glycemic control, and tension pneumothorax diagnosis (chest trauma with absent breath sounds).
Deep Dive
Prerequisite Knowledge
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Deep Dive
OSSSC NURSING OFFICER 2026//Most important Questions //By monalisha Mam//
Added:Hello student. Welcome to our OPS YouTube channel. My name is Monalisa.
Important MCQ discussion career.
6372270928 I'll tell you my number 206372270928.
A patient with COPD is receiving oxygen therapy. Which oxygen concentration is generally preferred initially?
Option A, 100%. Option B, 60%. Option C, 24 to 28%. Option D, 50%.
Venturi mask blue white orange, yellow red green Say blue color I'm a capacity of which I'm going to 24%.
White noise 28 40 60 get the little bit 2 L 6 L 8 L 10 L 10 Sorry, 2 L 4 L 6 2 2 whatever you do 4 6 8 It now to 10 year old G 15 L 10 Next I get the explanation that cannot be a In COPD patient excessive oxygen may reduce hypoxemia respiratory device and worsen or CO2 retention controlled low concentration of usually preferred the normal Next question that you got The earliest ECG change seen in hyperkalemia calcium level high weight the potassium level high weight hyperkalemia Very good keep it to wave keep to wave Is the explanation that cannot be a tall T wave T wave are the classic early ECG finding in hyperkalemia.
You will be happy to hear ECG class Next take it back. A patient develops stridor immediately after extubation.
The nurse should first What do I claim?
That is stridor immediately developed irregular.
After extubation Option A, give oral fluid.
Option B, assess airway patency and call for immediate help. Option C, encourage coughing only. Option D, lay the patient flat. The correct answer Stridor with a high pitched sound that is going to cause a wheezing sound in the air. The immediate sound almost respiration So that we can identify that there is airway obstruction. Hey Siri. It thought airway obstruction Then obviously answer option B above. I mean what do I do? Airway patency we check and assess then we immediately help by call the river.
Next.
Assess airway patency and call for immediate help.
Stridor indicate upper airway obstruction and require urgent intervention.
Next question which electrolyte imbalance is most likely to cause muscle weakness and flattened T wave?
Which electrolyte imbalance mostly cause muscle weakness and flattened T wave?
Which electrolyte imbalance cause muscle weakness and flattened T wave? Which electrolyte imbalance option A hyperkalemia, option B hypokalemia, option C hypernatremia, option D hyper calcemia. The correct answer is option A.
Muscle weakness and flattened T wave that is hypokalemia.
Option B hypokalemia.
Let us see.
Let us see the explanation. Hypokalemia commonly causes muscle weakness, flattened T wave and U wave.
Okay, next question. The antidote for heparin overdose is heparin overdose antidote. Okay.
Option A vitamin K, option B protamine sulfate, option C atropine, option D naloxone. The correct answer is protamine sulfate. Heparin and warfarin and vitamin K warfarin.
Okay, next question.
Heparin natural anticoagulant.
Protamine sulfate neutralize the anticoagulant effect of heparin. Heparin anticoagulant effect neutralize. Okay.
Next they give up. Which finding is it more suggestive of increased intracranial pressure?
Can you place it on what you like?
Option A, bradycardia with hypertension.
Option B, tachycardia with hypotension.
Option C, fever with Option D, polyuria.
Cushing response include hypertension, bradycardia, and irregular respiration.
Just put that down.
8080 the one of hypertension, 8080 the one of bradycardia, 8080 the one of respiration.
Irregular respiration. Take a seat.
Next they give up.
The most appropriate site for intramuscular injection in an infant. Infant or intramuscular by IM those on the most preferred site quota.
vastus lateralis muscle Next they give up.
Which explanation?
It is well developed and minimize the risk of nerve injury. It not mean to this minimize for you.
The answer is in the cabinet.
Next, a central venous pressure CVP of 2 cm H2O most likely indicate now I'm a bottom of January is normal CVP get the 2 to 8 cm H2O so you need to go to 2 money approximately lower range of Korea's Landing.
So you number 2 indicator which fluid overload normal status hypovolemia right heart failure get to a must be become which is a hypo volume indicator fluid I'm a bottle loss a joke.
Next take a explanation low CVP often reflect reduced circulating blood volume lower CVP down below reflect gorgeous low circulate blood volume.
Next question that you which insulin has the fastest onset of action cool insulin that is option that I get to have it through so the first action the cake that option A glargine option B lispro option C NPH option C in determinant determinant the correct answer correct answer of a lispro first reaction that you take tell the explanation that you tell.
Lispro is a rapid acting insulin that is being working within minutes minute to come over there start calling the next a positive canning sign is associated with positive canning sign that I say that I say that I say that I say that I say that option A myocardial infarction option B meningeal irritation option C liver failure option D renal failure the core current answer number going to go canning sign that I am a how to indicate go to option A myocardial infarction option B meningeal irritation, option C, liver failure, option D, renal failure.
Comment and answer the answer.
What do you call the conning sign?
So, conning sign is a physical examination physical maneuver meningeal irritation say that we test for a day.
J conning sign Johnny T.
The next explanation the call.
Conning sign is commonly seen in meningitis. Commonly called the commonly seen in meningitis.
Next question.
The first nursing action.
The first nursing action corner.
When a blood transfusion reaction is suspected.
The clock.
Option A, slow the infusion. Option B, stop the transmission immediately.
Option C, give antipyretic. Option D, flush with a dextrose solution.
Confusion slow career not stop career.
The sepsis that I do it. But I can see infection.
>> [snorts] >> Calcium.
Low calcium. Low calcium calcium. Calcium low.
>> daily So then hyperkalemia iron overload blood I receive I receive antidote I receive antidote stable anybody I'm going to stop slow slow overload overload suppose Saturday blood I can do it you I can do it I can do it I can do it slow I can do it slow slow slow I can do physician antidote antidote >> [snorts] >> your extra fluid overload I will take I will take I will take slow I can do it I can do it I can do it I can do it Next week you have Stopping the transfusion prevent further exposure to incompatible blood Stopping the transfusion just stop prevent exposure incompatible blood unwanted For example reaction A positive B positive A direction doctor to prolong hyperventilation? You can hyperventilate.
Option A, metabolic acidosis. Option B, respiratory acidosis. Option C, respiratory alkalosis. Option D, metabolic alkalosis.
So you can tell me what you did.
O2 What would you do?
Alkalosis that I got it.
CO2 which The key acidosis that I got it.
Would you follow?
So You have [snorts] to do the hyperventilation that I mean O2 that he Come with you. The O2 come with you money I'm going to alkalosis that I got it all.
The gender respiratory related so respiratory alkalosis that I got it all.
Gender CO2 body that I respiratory acidosis that I got it all.
And the metabolic acidosis that I got it all. The diarrhea diarrhea diarrhea case metabolic that I got it all.
I would you vomiting the metabolic that I got it all.
you follow?
Next that I got it all.
The correct answer respiratory alkalosis. Excessive CO2 loss raise blood pH that the excessive amount of CO2 loss that I got it all.
Blood pH that I got it all. Alkalosis that I got it all.
This one is alkalosis that I got it all.
The most sensitive indicator >> The most sensitive indicator of tissue perfusion in a critically ill patient.
Most sensitive indicator code tissue perfusion in a critically ill patient.
The option A blood pressure alone.
Option B urine output. Option C pulse rate. Option D body temperature. I mean you can kidney function best indicator urine output.
So, 1 hour in normally urine output normally 30 cml.
Adequate urine output reflects super sufficient renal perfusion and cardiac output.
A post-partum woman with heavy bleeding and a boggy uterus should receive which intervention first?
Post-partum hemorrhage and normally starts third stage.
They got So, I mean you call encourage ambulation. Now, you tell me massage for you. Now, I mean ice chips use for you.
Now, all the iron tablet is the best outcome you tell me massage.
The correct answer going to be you tell me massage.
The correct answer is explanation.
Urine It It you tell me atony.
I want to say that you post-partum PPH.
Most recent quota atonicity of uterus.
See uterus atony is a common cause of postpartum hemorrhage and massage prompts contraction.
The doctor will see bleeding and we will identify that kind of sign.
Postpartum atonicity of uterus is not good. What are the causes of PPH? We will massage the uterus and the uterus will massage. We will do Which isolation precaution is required for pulmonary tuberculosis?
If you have pulmonary pulmonary tuberculosis, which isolation precaution will you prefer?
Option Option A Contact precaution Option B, airborne precaution Option C Droplet precaution Option D, standard precaution The city of correct answer is airborne precaution.
Marks will be given for the normal TV question.
Droplet means the water that comes out of the mouth. The droplet mixes with the air and mixes with the air.
So overall, we will say that airborne precaution is good.
Next TB spread airborne droplet nuclei and require appropriate respiratory isolation.
A burn involving the full thickness of the skin is classified as Option A, first degree burn. Option B, superficial burn. Option C, third degree burn. Option D Sorry, option C was second degree burn. Option D was third degree.
>> What do you mean by that? What are Option A.
Epidermis they involved with the redness they have. Epidermis that means Second degree Third degree It's all about Third degree Fourth degree muscle involved full thickness Third degree burn.
Third degree burn. Third degree burn destroy the epidermis and dermis and may extend deeper.
Normally Fourth degree burn skin graft skin grafting So the option is fourth degree nothing.
skin grafting Third degree Fourth degree skin grafting I think correct answer I see a opening Glasgow Coma Scale score for the patient who open eye up into uh speak in a comprehensive sound to the withdrawal pain which is four.
to four Next take it up.
Which laboratory value is the best indicator for the long term long term glycemic control? Long term glycemic control of Which laboratory value is the best indicator of long term glycemic control?
Long term give me the random blood sugar fasting whole urine glucose Long term indicate HBA1C that you have a model Last three months of total number of average glucose what a value I'm going to take about 90 days of Next week you have HBA1C reflect average blood glucose for over approximately two to three months.
Any question of two months three months you can answer the three months of what average monthly duration A patient suddenly become restless dyspnea and has absent breath sound on one side after chest trauma.
I feel good to see the primary diagnosis corner I'm going to primary diagnosis corner corner corner I'll take a call chest trauma AG.
I put a corner just less than feel OG dyspnea OG absent breath sound OG corner identify corner corner diagnosis corner corner Pull my sorry corner diagnosis corner corner pulmonary edema tension pneumothorax pleural effusion atelectasis I'm going to chest trauma OG trauma AG I would have questioned the money they paid test test drainage corner Say to me tension pneumothorax condition he take a double He got you.
That could be explanation they cannot.
Enter pneumothorax is a life threatening emergency the requiring immediate decomp compression and chest tube placement.
That they just do they call me by excessive fluid I would do.
Would you buy the next they give up but uh classic EG I would you money I'm a batch number buying chance in the drama so that contact going to I'm a contact number 637 2270 9 28 You can ask me about my life to my life share subscribe to remember me thank you.
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