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RRB Nursing Previous Year Question Paper| RRB Nursing Superintendent | Countdown Series | Part 1
Nursing Wallah by PW
Overview
This video is a review session for the RRB Nursing Superintendent exam, focusing on previous year's questions and key nursing concepts. The instructor emphasizes the urgency of preparation due to the approaching exam date. The session covers a range of topics including eye anatomy and physiology, drug calculations, common medical conditions, and injection techniques. It aims to reinforce learning through rapid-fire questions and explanations, encouraging active recall and highlighting important points for quick memorization. The instructor stresses the importance of consistent effort and provides study strategies for the limited time remaining.
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Chapters
- The RRB Nursing Superintendent exam is imminent, requiring a high-speed approach to preparation.
- The exam consists of 100 Multiple Choice Questions (MCQs), with 70 from nursing and 30 from non-nursing subjects.
- A score of around 60 correct MCQs (without negative marking) is suggested for selection.
- Urgent and focused study is necessary for those who haven't started preparing.
Understanding the exam structure and scoring helps learners prioritize their study efforts and set realistic goals for success.
The instructor mentions that scoring 60 out of 100 MCQs could lead to selection, emphasizing the importance of accuracy and avoiding negative marking.
- The image is transmitted to the brain via the optic nerve (second cranial nerve) to the occipital region of the cerebral cortex.
- Light entering the eye is controlled by the pupil, with the iris also playing a role.
- The eye has three layers: tunica fibrosa (sclera and cornea), tunica vasculosa (choroid, ciliary body, iris), and tunica nervosa (retina).
- Aqueous humor is produced by the ciliary body and drains through the canal of Schlemm.
- The main function of the lens is to focus light rays onto the retina.
Knowledge of eye anatomy and the visual pathway is crucial for understanding various eye conditions and their management.
The instructor explains that the optic nerve transmits visual information from the eye to the brain's occipital region for processing.
- Distant vision is assessed using the Snellen chart, while near vision is checked with the Jaeger test.
- Color vision is tested using the Ishihara chart.
- Intraocular pressure (IOP) is measured with a tonometer; elevated IOP (above 21 mmHg) can indicate glaucoma.
- The first sign of cataracts is decreased color perception, while a late sign is clouding of the pupil.
- Color blindness is due to a problem with the cone cells in the retina.
Familiarity with common eye tests and conditions like glaucoma and cataracts is essential for nursing practice and patient assessment.
The Snellen chart is used to test distant vision, with readings like 6/6 or 20/20 indicating normal acuity.
- The basic formula for drug calculation is: Dose Desired / Dose Available.
- Key volume conversions include: 1 tablespoon (TBSP) = 15 ml, 1 teaspoon (TSP) = 5 ml, 1 pint = 500 ml, 1 gallon = 4000 ml, 1 liter = 1000 ml, 1 grain = 60 mg.
- A standard cup is approximately 150 ml, and a glass is about 200 ml.
- Understanding these conversions is vital for accurate medication administration.
Accurate drug calculations are fundamental to patient safety, preventing medication errors and ensuring correct dosages are administered.
The instructor clarifies that a 'tablespoon' (TBSP) holds 15 ml, while a 'teaspoon' (TSP) holds 5 ml, differentiating between common measurement units.
- Old blood transfusions can lead to metabolic acidosis, hyperkalemia (due to potassium leakage from aged RBCs), and hypocalcemia (due to citrate binding with calcium).
- Blood transfusions should ideally be completed within 2 to 4 hours to prevent infection.
- Transfusing blood too quickly (less than 2 hours) can cause circulatory overload.
- A 'dinner fork' appearance in the hands is associated with anemia.
Knowledge of transfusion complications and guidelines is critical for nurses to monitor patients effectively and prevent adverse reactions.
The instructor explains that old blood can cause hyperkalemia because potassium leaks out of damaged red blood cells over time.
- Intradermal (ID) injections are given at a 5-15° angle using a 26-27 gauge needle, typically for small volumes (up to 0.5 ml).
- Subcutaneous (SC) injections are administered at a 45° angle using a 25 gauge needle, usually for volumes up to 0.5 ml.
- Intramuscular (IM) injections are given at a 90° angle using an 18-25 gauge needle, with standard volumes around 2-3 ml (up to 3 ml in well-developed muscles, 2 ml in the deltoid).
Understanding the correct angles, needle sizes, and volumes for different injection routes is essential for safe and effective drug administration.
An intramuscular injection is given at a 90° angle, differentiating it from intradermal (5-15°) and subcutaneous (45°) injections.
- Nasal cannulas provide oxygen at a flow rate of 1-6 liters per minute, delivering 24-44% FiO2.
- The environment provides approximately 21% FiO2, and exhalation releases about 16% FiO2.
- Colles' fracture, a fracture of the distal radius, can present with a 'dinner fork' deformity.
- Cold sponging for fever management is done at a temperature of 18-27°C (60-80°F).
Knowing the parameters for oxygen delivery devices and common fracture presentations aids in patient care and assessment.
A nasal cannula can deliver 24-44% FiO2, which is higher than the ambient air concentration of 21%.
Key takeaways
- The RRB exam requires a strategic approach, focusing on nursing content while being aware of non-nursing sections.
- Accurate drug calculations are paramount for patient safety and require understanding standard conversions.
- Knowledge of eye anatomy, common tests, and conditions like glaucoma and cataracts is vital for nursing practice.
- Understanding the principles of blood transfusion, including potential complications and administration times, is crucial.
- Correct technique for ID, SC, and IM injections is necessary for effective medication delivery.
- Familiarity with oxygen delivery devices like nasal cannulas and their associated FiO2 levels is important.
- Recognizing common medical presentations like Colles' fracture and understanding temperature ranges for interventions like cold sponging are key skills.
Key terms
RRB Nursing SuperintendentOptic NerveTunica FibrosaTunica VasculosaTunica NervosaAqueous HumorCanal of SchlemmSnellen ChartIshihara ChartTonometerIntraocular Pressure (IOP)GlaucomaCataractsCone CellsRod CellsDose Desired / Dose AvailableTablespoon (TBSP)Teaspoon (TSP)Metabolic AcidosisHyperkalemiaHypocalcemiaCitrateIntradermal (ID) InjectionSubcutaneous (SC) InjectionIntramuscular (IM) InjectionNasal CannulaFiO2 (Fraction of Inspired Oxygen)Colles' FractureCold Sponging
Test your understanding
- What is the primary function of the lens in the human eye?
- How does the optic nerve transmit visual information to the brain?
- What are the key differences in angle and needle gauge for ID, SC, and IM injections?
- Explain the potential complications of administering old blood during a transfusion.
- What is the normal range for intraocular pressure, and what condition is indicated by elevated IOP?
- How do nasal cannulas contribute to oxygen therapy, and what FiO2 levels do they typically provide?