WGU D115 Exam Questions With 100% Verified Answers | Latest Update | Graded A+

What is the first response to a foreign pathogen? cytotoxic T helper T cells phagocytic - correct answers Helper T cells Which characteristic is the most important determinant of immunogenicity when considering the antigen? Foreignness Quantity Size WGU D115 UNIT 2 Exam Questions and Answers (Latest Update ) (46 Questions) Verifie Complexity - correct answers Immunogenicity is primarily based on the ability to recognize something foreign. How are erythrocytes destroyed when mismatched blood is administered, causing an ABO incompatibility? Phagocytosis by macrophages Complement-mediated cell lysis Phagocytosis in the spleen Natural killer cells - correct answers The complement pathway is activated in response to blood incompatibility. What is the hypersensitivity reaction that causes atopic dermatitis? - correct answers An immediate (type I) hypersensitivity reaction causes atopic dermatitis. Which four infections are considered fungal infections? Ringworm WGU D115 UNIT 2 Exam Questions and Answers (Latest Update ) (46 Questions) Verifie Candida Cholera Athlete's foot Aspergillus Check My Answer - correct answers Infection with a fungus is called mycosis and includes dermatophytes (e.g., tineas, which refers to several skin mycoses, including ringworm and athlete's foot) and yeasts, which include candida and aspergillus. When is the earliest after sexual transmission of HIV that lab results can detect infection? 1 to 2 days 2 to 4 months 4 to 8 weeks 4 to 10 days - correct answers Lab testing can detect HIV RNA 4 to 10 days after sexual transmission, whereas HIV antibody testing may take 23 to 90 days to result in a positive test. Repeat testing may be needed to rule out a false negative test due to testing too soon after exposure, especially if a high likelihood of exposure is suspected. WGU D115 UNIT 2 Exam Questions and Answers (Latest Update ) (46 Questions) Verifie What is a characteristic of exotoxins? Able to initiate the complement and coagulation cascades Released during bacterial growth Contained in cell walls of gram-negative bacteria Released during the lysis of bacteria - correct answers Exotoxins are released during bacterial growth. Which dietary lifestyle choice has been associated with a decreased risk for developing colon cancer? Increased consumption of dairy products Decreased consumption of high-fat foods Decreased consumption of artificial food coloring Increased consumption of foods containing vitamin C - correct answers The results of decreased fat consumption have been widely studied and have demonstrated a decreased risk of developing colon cancer. WGU D115 UNIT 2 Exam Questions and Answers (Latest Update ) (46 Questions) Verifie Which cancer is an individual who has worked with asbestos for over 40 years most likely to develop? Stomach Leukemia Bladder Lung - correct answers Asbestos exposure results in an increased risk of lung and lung lining cancer. Which statement is true regarding ultraviolet (UV) light? The degree of damage is not affected by the light's wavelength. It causes basal cell carcinoma and squamous cell carcinoma. The principal source of ultraviolet radiation (UVR) is tanning beds. It can cause the formation of sarcomas. - correct answers UV light causes basal cell carcinoma and squamous cell carcinoma when the UVB rays hit DNA strands, causing thymine base pairs that are side by side to pair together, becoming thymine dimers. These thymine dimers lead to cell death or cancer. WGU D115 UNIT 2 Exam Questions and Answers (Latest Update ) (46 Questions) Verifie Which cancer does exercise have a convincing impact on reducing? Liver Stomach Colon Endometrial - correct answers Exercise-induced myokines cause apoptosis of colon cancer cells. Low healthcare literacy is recognized as a major risk factor in blood pressure control and has been shown to have adverse effects on health outcomes. true or false - correct answers TRUE By providing patient education at the appropriate literacy level, improved health outcomes may result. One of the goals of the National Action Plan to Improve Health Literacy is to incorporate research and evidence-based plans of treatment from childhood through university-level education in a manner consistent with an individual's literacy level. True or false - correct answers True WGU D115 UNIT 2 Exam Questions and Answers (Latest Update ) (46 Questions) Verifie Ensuring the individual can understand all elements of a treatment plan is crucial for understanding and compliance. What is a red flag for low healthcare literacy? Medication noncompliance Asking questions about health Adherence to medical appointments Ability to identify medications on sight - correct answers Low literacy often leads to perceived noncompliance to medical instructions, including medication instructions. Ensuring the patient fully understands all instructions is critical for understanding. Amniocentesis is recommended for pregnant women with certain health histories. Which health history would result in an amniocentesis recommendation? Those who have experienced in vitro fertilization Those who had a late menarche Those who have a history of chronic illness