NCLEX-RN : General Concepts
Study concepts, example questions & explanations for NCLEX-RN
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Example Questions
Example Question #1 : Nclex
Which of the following is considered a schedule II drug?
Acetominophen
Oxycodone/acetaminophen
Hydrochlorothiazide (HCTZ)
Ibuprofen
Alprazolam
Oxycodone/acetaminophen
Schedule II drugs are monitored drugs that have an accepted medical use and are highly addictive (both physically and psychologically). Schedule II drugs include oxycodone/acetaminophen, fentanyl, and hydromorphone.
Example Question #1 : Nclex
The nurse has just administered the first doses of the following medications. Which is most likely the cause of a new-onset headache?
Magnesium hydroxide
Metoclopromide
Sucralfate
Pantoprazole
Sumatriptan
Pantoprazole
The development of a headache is most likely a side effect of pantoprazole (a proton-pump inhibitor). Sumatriptan is a medication that is commonly used to relieve migraine headaches. Metoclopromide may cause restlessness and anxiety. Sucralfate may cause constipation. Side effects are rarely seen with magnesium hydroxide, they include nausea, constipation, and aluminum deficiency due to overexcretion via binding phosphate in the stomach.
Example Question #2 : Pharmacology
A nurse is preparing a client to receive pain medication to aid with the discomfort of labor. The client is being prepped to undergo a pudendal nerve block. The nurse will explain the affects of such a block.
A pudendal block is responsible for which of the following pharmacological actions in regards to providing anesthesia during labor?
Provides complete anesthesia with injection into the subarachnoid space of the lumbar region of the spine.
A type of anesthesia block to provide total anesthesia to the entire area, injected into fifth lumbar space and may hinder the mother from pushing during the birth process.
A block specifically formulated to block nerve impulses to the uterus to aid in mother to assist in pushing during the birth process.
A local infiltration of the skin around the vaginal opening to provide superficial anesthesia to the skin.
Provides relief of pain from an episiotomy, blocks nerve impulses associated with the vagina, the cervix as well as the perineum region.
Provides relief of pain from an episiotomy, blocks nerve impulses associated with the vagina, the cervix as well as the perineum region.
A pudendal block is a useful type of anesthesia often utilized during the second stage of the labor process. It provides anesthesia for an episiotomy performed in the perineum area.
Example Question #3 : Nclex
What is the purpose of Beer's criteria?
To list inappropriate drugs for the elderly
To list inappropriate drugs for infants
To list inappropriate laboratory tests for infants
To list inappropriate laboratory tests for the elderly
To list inappropriate drugs for the elderly
Beer's criteria is used in medicine as a list of drugs that should not be prescribed in the elderly. These drugs can have potentially disastrous complications for older adults, including falls and other serious injuries. Older patients undergoing pallative care typically do not need to follow Beer's criteria.
Example Question #4 : Nclex
You are the nurse taking care of a patient who is being treated with oral vancomycin, an antibiotic, for Clostridium difficile diarrhea. Which of the following choices best describes the mechanism of action of vancomycin?
Inhibition of peptide elongation
Inhibition of topoisomerase II
Inhibition of integrase
Disruption of peptidoglycan cross-linkage
Disruption of mycolic acid synthesis
Disruption of peptidoglycan cross-linkage
The correct answer is "Disruption of peptidoglycan cross-linkage," as this is the mechanism of action of the antibiotic, vancomycin. Vancomycin has high clinical utility in medicine, as it can be administered orally to treat Clostridium difficile diarrhea, or intravenously to treat MRSA infections, among others. As such, it is important to be well aware of vancomycin in clinical practice.
Inhibition of topoisomerase II is the mechanism of action of fluroquinolone antibiotics, such as levofloxacin.
Disruption of mycolic acid synthesis is the mechanism of action of anti-fungal medications.
Inhibition of integrase is the mechanism of action of some anti-retroviral drugs, as would be used in the treatment of diseases like HIV.
Inhibition of peptide elongation is the mechanism of action of macrolide antibiotics, such as azithromycin.
Example Question #1 : Nclex
You are the nurse taking care of a patient who is receiving an antibiotic, clindamycin, for the treatment of an oral infection. Which of the following choices best describes the mechanism of action of clindamycin?
Inhibition of dihydrofolate reductase
Inhibition of RNA transcription
Inhibition of DNA gyrase
Blockage of peptide elongation by binding 50S ribosome site
Prevention of folic acid synthesis
Blockage of peptide elongation by binding 50S ribosome site
The correct answer is "blockage of peptide elongation by binding 50S ribosome site," as this is the mechanism of action of the antibiotic, clindamycin.
Inhibition of DNA gyrase is one of the mechanisms of action of fluoroquinolone antibiotics, such as levofloxacin.
Inhibition of RNA transcription is one of the mechanisms of action of bacitracin, a topical antibiotic.
Inhibition of dihydrofolate reductase is the mechanism of action of trimethoprim, an antibiotic that is often combined with sulfamethoxazole to inhibit folic acid synthesis.
Prevention of folic acid synthesis is the ultimate mechanism of action of trimethoprim and sulfamethoxazole (both individually and when given together).
Example Question #1 : Dosage
The nurse is preparing to administer 250,000 units of medication to a patient. The ampule sent from the pharmacy contains 500,000 units/mL. How many mL should the nurse administer?
2.5 mL
0 mL
1.2 mL
0.5 mL
0.5 mL
The medication dose formula is as follows: Milliliters to be administered = (Dose to be administered)/(Available solution). Thus, the calculation for this problem is (250,000 units)/(500,000 units/mL) = 0.5 mL
Example Question #2 : Dosage
The nurse is preparing to administer 100,000 units of medication to a patient. The ampule sent from the pharmacy contains 600,000 units/mL. How many mL should the nurse administer?
2.4 mL
1.5 mL
0 mL
2 mL
0 mL
The medication dose formula is as follows: Milliliters to be administered = (Dose to be administered)/(Available solution). Thus, the calculation for this problem is (100,000 units)/(600,000 units/mL) = 0 mL mL
Example Question #1 : Pharmacology
The nurse is preparing a bag of heparin sodium solution with a mix of 120,000 units/400 mL intravenously. At what rate should the nurse set the infusion pump if intending to deliver 1800 units/hr?
7.8 mL/hr
6.0 mL/hr
1.3 mL/hr
2.2 mL/hr
6.0 mL/hr
The required rate can be calculated as follows: (Delivered units/hr x mL)/units. Thus, the answer can be calculated as (1800 units/hr x 400 mL)/120,000 units = 6.0 mL/hr
Example Question #2 : General Concepts
Hayden is a 9-year-old boy who has been admitted to the emergency room with a fever. He weighs 71lbs. If the dosing guideline for acetaminophen is 
First convert Hayden's weight from pounds to kilograms. This is done by dividing Hayden's weight by 2.2 because 1 pound is 2.2 kilograms.
Next set up the equation as follows:
Solve for 
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