NR-224 Fundamentals – Skills - Set 2 - Part 2

Correct Answer: Hanging the drainage bag on the side rail

A bag hung on the side rail sits above the level of the bladder, letting contaminated urine flow back toward the client. Keeping the bag below bladder level protects the portal of entry. Option a is incorrect because routine perineal hygiene uses plain soap and water, and antiseptics on the meatus are specifically discouraged. This is correct catheter care and assistive personnel may perform it. Option c is incorrect because encouraging fluids supports urine flow, which flushes the urethra and is one of the body's own defenses. Nothing about offering a drink between meals calls for the nurse to step in. Option d is incorrect because anchoring the tubing prevents traction on the catheter, which would injure the urethra and open a wider portal of entry. Securing the device is expected practice, not an error.

Correct Answer: A left shift suggesting acute bacterial infection

Bands are immature neutrophils released when the marrow cannot keep pace with an acute bacterial infection. A band level above ten percent defines a left shift, and it can appear while the total white count is still normal. Option a is incorrect because viral infection characteristically raises the lymphocyte percentage rather than the band count. The differential here points toward immature neutrophils, which the marrow releases against bacteria and not against a virus. Option b is incorrect because bandemia with a normal total count is a recognized and clinically meaningful pattern, not an artifact. Discarding the result and redrawing would waste time and delay recognition of an infection already underway. Option d is incorrect because marrow suppression drives the white cell count down and reduces the release of any neutrophil form, mature or immature. A high band percentage shows a marrow that is working hard, not a failing one.

Correct Answer: "I will finish every dose even after I feel better."

Completing the prescribed course keeps drug levels adequate long enough to kill the hardiest organisms. Stopping early allows the survivors to multiply, risks relapse, and selects for the resistant strains that make later infections harder to treat. Option a is incorrect because visible improvement in the skin happens well before the organism is eradicated from the deeper tissue. A client who stops at that point commonly relapses and needs a second, broader course. Option c is incorrect because leftover antibiotics represent an incomplete course that was not finished as directed, and self treating a future illness with them is unsafe. Antibiotics should never be saved, shared or reused. Option d is incorrect because omitting doses lets the blood level fall below the therapeutic range and exposes the bacteria to a weak dose that selects for resistance. Gastrointestinal upset should be reported, not managed by skipping.

Correct Answer: Pour a small amount into a receptacle

The bottle rim is contaminated once the cap is removed, so the nurse lips the bottle by pouring a small amount into a waste receptacle first. The remaining solution then pours cleanly into the sterile basin. Option b is incorrect because the cap is laid face up on a clean surface away from the field. Turning the inner surface down onto a table contaminates the part that will re-contact the solution. Option c is incorrect because the outside of the bottle was never sterile. Touching it to the basin transfers organisms to a sterile receptacle, so the bottle stays four to six inches above without contact. Option d is incorrect because a non-sterile item held over the field drips and sheds onto it. Pouring is done at the edge of the field or off it entirely, never with the bottle suspended above the drape.

Correct Answer: The reservoir that harbors the organism

The reservoir is the place where an organism lives, grows and multiplies while waiting for a way out. Humans, water, food, equipment and standing fluids all serve as reservoirs in the hospital setting. Option a is incorrect because organisms use a portal of exit to leave the reservoir, through respiratory secretions, stool, urine or wound drainage. That link describes departure rather than habitation. Option b is incorrect because transmission covers travel between a portal of exit and a new host by contact, droplet, airborne, vehicle or vector routes. Travel and residence are separate links entirely. Option d is incorrect because a portal of entry answers a different question, namely how the organism gets into the next person. Broken skin, mucous membranes and invasive devices are the routes that matter clinically.

Correct Answer: Teaching the family why precautions are needed

Teaching requires nursing knowledge and evaluation of understanding, so it stays with the nurse. Assistive personnel may bathe, bag linen and transport a client on precautions when they use the correct technique. Option a is incorrect because hygiene is a standardized task with a predictable outcome on a stable client. Assistive personnel perform it in an isolation room wearing gown and gloves, then report what they observed. Option b is incorrect because bagging and closing linen at the point of use is a routine procedure, taught and checked during orientation. No judgment about the client's condition is involved in doing it correctly. Option c is incorrect because moving a client on precautions is delegable once the wound is covered and clean barriers are in place. The nurse gives specific direction, then verifies that transport was carried out properly.

Correct Answer: Pertussis spreads by droplet and measles by airborne particles

Pertussis is transmitted by large respiratory droplets that fall out of the air within a short distance. Measles travels on small particles that stay suspended and remain infectious over long distances, requiring airborne precautions. Option b is incorrect because it collapses two different categories into one. Only measles, varicella and tuberculosis behave as airborne organisms in fundamentals teaching, and pertussis is not on that short list. Option c is incorrect because the two organisms have been reversed. Measles is one of the three classic airborne diseases, while pertussis joins influenza and meningococcal disease among the droplet-spread organisms. Option d is incorrect because treating measles as a droplet illness would place staff and other clients at risk. Large droplets settle quickly, but measles particles linger in room air long after the client has left.

Correct Answer: Clip the hair just before the operation

When hair must come off, clippers used immediately before the operation avoid the microscopic skin cuts a razor leaves. Those cuts become colonized overnight and are the reason shaving raises the rate of surgical site infection. Option a is incorrect because a razor cuts the skin barrier it is meant to prepare, and each nick is a portal of entry. Shaving the night before gives organisms hours to multiply in those breaks. Option b is incorrect because depilatory agents carry a real rate of chemical irritation and hypersensitivity reactions on the operative field. Inflamed skin at the incision line is a worse starting point than the hair was. Option d is incorrect because leaving hair in place is the right choice only when it does not obstruct the surgeon. Here the hair does obstruct, so removal is indicated and the method chosen is what matters.

Correct Answer: Emptying and measuring a urinary drainage bag

Routine catheter care, including emptying and measuring the drainage bag, is medical asepsis and calls for clean gloves. The closed system is not opened, and nothing crosses the skin or enters the sterile bladder. Option a is incorrect because the bladder is a sterile cavity and the catheter travels through the urethra into it. Insertion therefore demands sterile gloves, a sterile field and a sterile catheter kit. Option c is incorrect because the lower airway below the larynx is sterile. Tracheostomy suctioning uses a sterile catheter and a sterile glove on the dominant hand, which places it firmly in surgical asepsis. Option d is incorrect because a surgical incision is a break in the body's first line of defense. Any dressing change over open or healing surgical tissue is done with sterile supplies and sterile gloves.

Correct Answer: Droplet precautions with a surgical mask

Neisseria meningitidis travels in large respiratory droplets, so droplet precautions with a surgical mask on entry are correct. They continue until the client has completed a full day of effective antibiotic therapy. Option a is incorrect because a respirator and a negative pressure room are reserved for organisms carried in droplet nuclei that stay aloft. Meningococcal droplets are heavy and settle within a few feet. Option b is incorrect because gown and gloves address organisms passed by touching the client or contaminated surfaces. The route here is respiratory, so a barrier for the hands leaves the face unprotected. Option c is incorrect because that setting shields a severely immunocompromised person from environmental organisms. This student is the source of an infection, not a host needing filtered air, so the direction of protection is reversed.

Correct Answer: Place the client on contact precautions

New diarrhea in a client on broad-spectrum antibiotics is Clostridioides difficile until proven otherwise. Contact precautions with a stool specimen and soap-and-water hand hygiene protect everyone else on the unit. Option b is incorrect because fluids and fiber address constipation and ordinary bowel irregularity, not infectious diarrhea. Adding fiber to a suspected Clostridioides difficile infection delays isolation while the client keeps shedding spores. Option c is incorrect because slowing gut motility traps toxin in the colon and can precipitate toxic megacolon. Antidiarrheals are withheld until Clostridioides difficile has been ruled out by stool testing. Option d is incorrect because watchful waiting leaves an untreated, highly transmissible organism circulating on the unit. Documentation is required but it is not an intervention, and this finding demands action during this shift.

Correct Answer: Flush the eye with water or saline

A mucous membrane exposure is decontaminated first. The eye is irrigated with water or normal saline to dilute and remove the infectious fluid, and reporting to the supervisor and employee health follows immediately afterward. Option a is incorrect because notification comes right after decontamination, not before it. Prophylaxis decisions are time sensitive, yet every minute the fluid sits against the conjunctiva adds to the amount absorbed. Option b is incorrect because caustic or medicated agents are never instilled into an exposed eye. They injure the conjunctiva and cornea without improving decontamination, and plain water or saline does the job safely. Option c is incorrect because paperwork belongs at the end of the exposure sequence. Forms are completed after the site is flushed and the exposure has been reported, since documentation does nothing to reduce the nurse's risk.

Correct Answer: Turning to answer the call light briefly

A sterile field must stay in the nurse's view at all times. Turning away, even briefly, means the field can no longer be vouched for, so it is considered contaminated and must be discarded and reset. Option a is incorrect because the far flap is deliberately opened first. That order keeps the student's arm from ever passing over the inner sterile surface, so this step shows correct technique rather than an error. Option b is incorrect because dropping an item from roughly six inches above the field is correct practice. The height keeps the wrapper edges and the student's hand clear of the sterile surface below. Option d is incorrect because placing the receptacle nearby before opening anything is part of good preparation. It removes the need to reach over the field later when soiled supplies must be discarded.

Correct Answer: Through a tick that carries the organism

A vector is a living carrier, usually an arthropod, that moves the organism into a host. Ticks transmit Lyme disease, mosquitoes carry malaria and West Nile virus, and fleas spread other infections. Option a is incorrect because droplet spread belongs to respiratory illnesses generated by coughing, sneezing or talking within a few feet. Lyme disease has never been documented as passing from person to person. Option c is incorrect because contaminated water is a vehicle, the route behind giardiasis, cryptosporidiosis and many outbreaks of gastrointestinal illness. Drinking from a stream does not deliver the spirochete that causes Lyme disease. Option d is incorrect because skin-to-skin transfer defines direct contact, which spreads scabies, impetigo and herpes simplex. Hikers standing shoulder to shoulder pose no Lyme risk to one another at all.

Correct Answer: Empty the urinary drainage bag and measure output

Emptying drainage devices and measuring output are routine, standardized tasks within the scope of assistive personnel. Emptying the bag before it fills also removes a reservoir of stagnant urine where organisms multiply. Option a is incorrect because wound assessment requires the nurse to judge whether erythema is spreading and whether the infection is worsening. Assistive personnel may report what they see but cannot interpret it. Option b is incorrect because reading a differential and recognizing a left shift is clinical analysis, a step of the nursing process that stays with the licensed nurse. Delegating a task never delegates the judgment behind it. Option c is incorrect because client and family teaching belongs to the nurse, who must assess readiness to learn and evaluate understanding with teach-back. Reinforcing what the nurse already taught is the limit of that role.

Correct Answer: The susceptible host link

Immunization changes the host rather than the organism or its route. Vaccine-induced antibody gives the resident the specific defense needed to resist influenza, so exposure no longer produces infection. Option a is incorrect because breaking the reservoir link means removing the places organisms live and grow, through changing soiled linen, emptying drainage devices and keeping the environment dry. A vaccine leaves every reservoir untouched. Option b is incorrect because hand hygiene, gloves, gowns and isolation rooms are the interventions that stop organisms in transit. Vaccination does nothing to the journey; it prepares the destination to defend itself. Option d is incorrect because entry is blocked by physical measures such as aseptic technique, intact dressings, closed drainage systems and prompt device removal. Influenza virus still reaches the respiratory mucosa of a vaccinated resident.

Correct Answer: Wound infection has developed at the site

Pain that improves and then worsens after the third day, induration and a fever together mark infection rather than ordinary healing. Expected inflammation peaks within the first three days and then steadily declines. Option b is incorrect because the peak of the normal inflammatory response falls in the first one to three days after surgery and improves from there. Day five with worsening pain sits outside that pattern. Option c is incorrect because tape irritation itches, follows the outline of the adhesive and never produces a fever. Firmness deep in the tissue and a rising temperature both point below the skin surface. Option d is incorrect because scar formation is painless and gradual, and it does not raise body temperature. Attributing worsening symptoms to normal remodeling would delay the culture and antibiotic this client needs today.

Correct Answer: Slide gloved fingers under the second cuff

The outside of the second glove's cuff is sterile, so the already gloved hand may touch it. Sliding the sterile fingers under the cuff keeps them off the non-sterile inner surface while lifting the glove clear. Option a is incorrect because approaching the cuff from above presses the sterile gloved fingers against the glove's inner surface. That surface is not sterile, and the contact contaminates the hand that has just been gloved. Option c is incorrect because the fingertip region will contact the client's sterile tissue during the procedure. Squeezing it to pull the glove on distorts the fit and puts the most critical surface under unnecessary handling. Option d is incorrect because the cuff stays folded until both gloves are on. Unfolding it early adds handling that can drag the glove against the wrapper edge, and the fold is the landmark the sterile hand needs.

Correct Answer: Sit with the client and explain the precautions

Withdrawal and tearfulness in an isolated client reflect sensory deprivation and loss of control, which respond to presence and to a clear explanation of why the precautions exist and when they end. Option a is incorrect because charting the observation without acting on it leaves the cause untouched. Isolated clients already receive fewer and shorter visits, and a routine that changes nothing deepens the very problem described. Option b is incorrect because a specialty referral skips the nursing intervention that fits the situation. Referral becomes appropriate if distress persists after the nurse has addressed contact, explanation and diversion over time. Option c is incorrect because a predictable reaction to confinement is not yet a diagnosable mood disorder. Calling the provider first hands off a problem that belongs to nursing and delays the comfort the client needs.

Correct Answer: Thick yellow drainage with warmth and redness

Purulent drainage that is thick and yellow, together with warmth and redness confined to the wound, is the classic picture of localized infection. The findings stay at the site rather than affecting the whole body. Option a is incorrect because serous exudate, the clear straw colored fluid seen here, is produced by the ordinary inflammatory response to a surgical wound. Its presence tells the nurse that healing is proceeding as expected. Option b is incorrect because granulation tissue, which appears as beefy pink shiny tissue filling the wound bed, signals that repair is underway and healthy, so its presence argues against infection rather than for it. Option d is incorrect because pale pink watery drainage is serosanguineous and is expected during the first two days after surgery. It reflects a small amount of blood mixed with serous fluid, not an established infection.