What is an infectious disease that can be transmitted directly from one person to another?
A susceptible host
A communicable disease
A portal of entry to a host
A portal of exit from the reservoir
The Correct Answer is B
Choice A reason: A susceptible host is not an infectious disease, but a factor that influences the transmission of an infectious disease. A susceptible host is a person who is vulnerable to infection due to factors such as age, health status, immunization, or genetic predisposition. A susceptible host may become infected by a communicable disease, but it is not the disease itself.
Choice B reason: A communicable disease is an infectious disease that can be transmitted directly from one person to another. A communicable disease is caused by a pathogen, such as a virus, bacterium, fungus, or parasite, that can spread through contact, droplet, airborne, vector, or vehicle transmission. Examples of communicable diseases are influenza, tuberculosis, measles, malaria, and HIV/AIDS.
Choice C reason: A portal of entry to a host is not an infectious disease, but a factor that influences the transmission of an infectious disease. A portal of entry to a host is a route through which a pathogen can enter the body of a susceptible host and cause infection. A portal of entry to a host may be a break in the skin, a mucous membrane, or a body opening, such as the mouth, nose, eyes, or genitals. A portal of entry to a host may facilitate the transmission of a communicable disease, but it is not the disease itself.
Choice D reason: A portal of exit from the reservoir is not an infectious disease, but a factor that influences the transmission of an infectious disease. A portal of exit from the reservoir is a route through which a pathogen can leave the body of an infected person or animal and reach another susceptible host. A portal of exit from the reservoir may be a body fluid, such as blood, saliva, urine, or feces, or a body part, such as the skin, hair, or nails. A portal of exit from the reservoir may enable the transmission of a communicable disease, but it is not the disease itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: This is the highest priority client because sudden and increasing pain in a fractured arm can indicate a complication, such as compartment syndrome, infection, or nerve damage. Compartment syndrome is a condition where the pressure inside the muscles increases to dangerous levels, causing severe pain, reduced blood flow, and tissue death. Infection is a condition where microorganisms invade the wound site, causing inflammation, pus, and fever. Nerve damage is a condition where the nerves are injured by the fracture, causing numbness, tingling, or weakness. The nurse should see this client first and assess the arm for any signs of these complications, such as swelling, pallor, loss of sensation, or impaired movement. The nurse should also elevate the arm, loosen any bandages or casts, and administer pain medication as ordered.
Choice B reason: This is not the highest priority client because a fractured ankle is a common and stable condition that affects the lower extremity. A glass of water is a comfort and hydration need that can be met by the nurse or another staff member. The nurse should see this client after the more urgent clients and provide the glass of water, as well as monitor the ankle for any signs of complications, such as edema, infection, or impaired circulation.
Choice C reason: This is not the highest priority client because rheumatoid arthritis is a chronic and manageable condition that affects the joints. A scheduled pain medication is a routine and preventive need that can be met by the nurse or another staff member. The nurse should see this client after the more urgent clients and administer the pain medication, as well as assess the joints for any signs of inflammation, stiffness, or deformity.
Choice D reason: This is not the highest priority client because a discharge teaching is a discharge and education need that can be met by the nurse or another staff member. The nurse should see this client last and teach the client how to use the crutches, as well as provide any other discharge instructions, such as wound care, activity restrictions, or followup appointments.
Correct Answer is B
Explanation
Choice A reason: Stage 1 is a wound that involves only the epidermis, the outermost layer of the skin. It appears as a nonblanchable redness, warmth, or hardness on intact skin. It does not have any breakage or ulceration of the skin.
Choice B reason: Stage 2 is a wound that involves the epidermis and the dermis, the second layer of the skin. It appears as a shallow, open, reddened ulcer with a partialthickness loss of skin. It may have some serous exudate, but no slough or eschar. It may also present as a blister or abrasion.
Choice C reason: Stage 3 is a wound that involves the epidermis, the dermis, and the subcutaneous tissue, the third layer of the skin. It appears as a deep, open, reddened ulcer with a fullthickness loss of skin. It may have some slough or eschar, but no exposed bone, tendon, or muscle. It may also have tunneling or undermining of the wound edges.
Choice D reason: Stage 4 is a wound that involves the epidermis, the dermis, the subcutaneous tissue, and the underlying structures, such as bone, tendon, or muscle. It appears as a deep, open, reddened ulcer with a fullthickness loss of skin and tissue. It has exposed bone, tendon, or muscle, which may be visible or palpable. It may also have slough, eschar, necrosis, infection, or osteomyelitis.
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