D454 Adult Health III - Set 3 - Part 3

Correct Answer: PSA elevation alone cannot differentiate between cancer and benign conditions

Option a is correct because PSA levels can be elevated in both prostate cancer and benign prostatic hyperplasia. The test is not specific enough to confirm malignancy on its own and requires further diagnostic workup. Option b is incorrect because an elevated PSA does not confirm prostate cancer. Many benign conditions, including benign prostatic hyperplasia and prostatitis, can also raise PSA levels, making further evaluation necessary before any diagnosis. Option c is incorrect because PSA testing is still widely used as a screening tool for prostate cancer in clinical practice. While it has limitations in specificity, it remains a valuable part of the screening process when combined with other evaluations. Option d is incorrect because an elevated PSA alone does not indicate the need for immediate surgery. Further diagnostic evaluation including possible biopsy must be completed before any treatment decisions can be made regarding the finding.

Correct Answer: BRCA genes normally function as tumor suppressor genes

Option b is correct because BRCA one and BRCA two genes normally function as tumor suppressors that help repair damaged DNA and prevent uncontrolled cell growth. Inherited mutations in these genes significantly increase breast and ovarian cancer risk. Option a is incorrect because BRCA genes do not promote rapid cell division. Their normal function is actually the opposite: they act as tumor suppressors that help control and regulate cell growth by repairing DNA damage. Option c is incorrect because BRCA genes serve a critical function in normal cells as tumor suppressors and DNA repair genes. Without their normal function, cells lose an important safeguard against uncontrolled growth and cancer development. Option d is incorrect because stimulating blood vessel growth is a process called angiogenesis, which is actually a characteristic of malignant tumors, not a normal function of BRCA genes. BRCA genes suppress tumor development rather than promote growth.

Correct Answer: Gather specific details about which relatives were affected

Option d is correct because family history of colon cancer requires further assessment to determine the specifics including which relatives were affected, their ages at diagnosis, and the type of cancer before recommending an appropriate screening plan. Option a is incorrect because immediately scheduling a colonoscopy without gathering complete family history details is premature. The specific pattern of affected relatives and their ages at diagnosis determines the appropriate screening timeline and approach. Option b is incorrect because family history is a significant risk factor for colon cancer and absolutely affects screening recommendations. Denying the relevance of family history would provide inaccurate and potentially dangerous health information to the patient. Option c is incorrect because reassuring the patient without further investigation dismisses a legitimate concern. Family history of colon cancer warrants a thorough assessment to determine whether earlier or more fre

Correct Answer: Avoid direct sun exposure between ten AM and four PM

Option a is correct because ultraviolet radiation is strongest between ten AM and four PM. Avoiding direct sun during peak hours combined with broad-spectrum sunscreen use is the most effective strategy for reducing skin cancer risk. Option b is incorrect because UV radiation causes skin damage regardless of air temperature. Sunscreen should be applied on all days with sun exposure, not just warm days, since UV rays penetrate clouds and cause damage year-round. Option c is incorrect because dark clothing alone without sunscreen or additional sun protection measures does not provide adequate skin cancer prevention. A comprehensive approach including sunscreen, protective clothing, and avoiding peak UV hours is necessary. Option d is incorrect because waiting until visible sunburn appears means significant DNA damage to skin cells has already occurred. Prevention requires proactive measures before damage happens, not reactive responses after the skin is already burned.

Correct Answer: Discuss smoking cessation at every single clinical encounter

Option a is correct because smoking cessation counseling should be discussed at every clinical encounter with patients who smoke. This is the single most impactful nursing intervention for reducing lung cancer mortality overall. Option b is incorrect because limiting cessation counseling to once per year misses critical opportunities for intervention. Repeated brief counseling at every visit significantly increases the likelihood that a patient will successfully quit smoking. Option c is incorrect because waiting for the patient to raise the topic places the burden of initiating a difficult conversation on the patient. Nurses have a professional responsibility to proactively address smoking cessation at every opportunity. Option d is incorrect because waiting until after a cancer diagnosis to discuss smoking cessation defeats the purpose of prevention. The goal is to reduce cancer risk before disease develops, making early and repeated intervention the appropriate approach.

Correct Answer: The head of the pancreas, duodenum, gallbladder, and part of the bile duct are removed

Option c is correct because the Whipple procedure removes the head of the pancreas, the duodenum, a portion of the bile duct, and the gallbladder. The remaining structures are then reconnected to the jejunum. Option a is incorrect because the Whipple procedure targets the head of the pancreas, not the tail. Removing only the tail would be a distal pancreatectomy, which is a completely different surgical procedure for different tumor locations. Option b is incorrect because the Whipple procedure does not involve removal of the entire stomach or the spleen. The surgery specifically targets the head of the pancreas and connected structures including the duodenum and gallbladder. Option d is incorrect because removing only the gallbladder describes a cholecystectomy, not a Whipple procedure. The Whipple is a far more extensive operation involving multiple structures beyond just the gallbladder.

Correct Answer: A twenty-five-year-old who smokes and drinks alcohol daily

Option d is correct because smoking and daily alcohol use together create a synergistic carcinogenic effect that significantly increases pancreatic cancer risk. The combination of both risk factors amplifies the danger beyond either factor alone. Option a is incorrect because regular exercise and a vegetarian diet are protective health behaviors that do not increase pancreatic cancer risk. This patient profile represents a lower-risk individual compared to someone with active carcinogen exposure. Option b is incorrect because well-controlled seasonal allergies are unrelated to pancreatic cancer risk. Allergic conditions do not involve the pancreatic tissue damage or carcinogen exposure that contributes to pancreatic cancer development. Option c is incorrect because a non-smoker who rarely drinks alcohol has eliminated the two most significant modifiable risk factors for pancreatic cancer. This lifestyle represents a substantially lower risk profile than the combined exposures described

Correct Answer: The jejunum in the proximal small intestine segment

Option c is correct because after a Whipple procedure, the remaining pancreas, bile duct, and stomach are surgically reconnected to the jejunum to restore digestive function and allow bile and pancreatic enzymes to enter the intestine. Option a is incorrect because the esophagus is located far proximal to the surgical site and is not involved in the Whipple reconstruction. Reconnecting to the esophagus would bypass the stomach entirely and is anatomically inappropriate for this procedure. Option b is incorrect because the ileum is located in the distal small intestine, too far downstream for the Whipple reconstruction. Connecting to the ileum would bypass too much absorptive surface area and impair nutrient absorption significantly. Option d is incorrect because the sigmoid colon is part of the large intestine and connecting to this point would bypass nearly the entire small intestine. This would cause severe malabsorption and is not part of the Whipple reconstruction procedure.

Correct Answer: Angiogenesis is the process of tumor blood vessel formation

Option a is correct because angiogenesis is the process by which malignant tumors stimulate the growth of new blood vessels to supply themselves with oxygen and nutrients needed to sustain their continued rapid growth. Option b is incorrect because encapsulation is a characteristic of benign tumors where a fibrous capsule surrounds the growth. This feature actually limits tumor spread rather than describing how tumors develop their own blood supply. Option c is incorrect because differentiation refers to how closely tumor cells resemble normal parent tissue cells. Well-differentiated cells look like normal tissue and are typically benign, while poorly differentiated cells are more aggressive. Option d is incorrect because metastasis describes the spread of cancer cells to distant organs through blood or lymph vessels. While related to malignant tumor behavior, metastasis describes spread rather than the blood vessel formation process.

Correct Answer: The cancer remains localized in its original site without invasion

Option b is correct because Tis stands for tumor in situ, meaning the cancer cells remain confined to their original location and have not yet invaded through the basement membrane into surrounding deeper tissues or structures. Option a is incorrect because deep invasion into surrounding structures would receive a higher T classification number such as T three or T four. Tis specifically means the cancer has not invaded beyond its original site at all. Option c is incorrect because Tis does not indicate multiple tumors at different locations. The designation refers to a single tumor that remains in situ, confined to its original location without any invasive characteristics or distant spread. Option d is incorrect because Tis is not related to tumor size measurement limitations. The designation specifically means carcinoma in situ, indicating the earliest possible stage where cancer cells have not invaded beyond their point of origin.