Why did human skin evolve to be lighter in some populations? (Choose all that apply)

Which of the following species demonstrates sexual selection in which males must compete to be selected by females to mate?

Select the correct answer:    A 58-year-old adult with excess weight presents to the primary care nurse practitioner with complaints of intermittent swelling and discomfort in both lower extremities after a day of work. The patient is a store cashier and states that the discomfort is worse on work days which require more standing.  The following is observed on physical exam:    Based upon these findings, what recommendation is indicated by the primary care nurse practitioner?

Select the correct answer: The primary care nurse practitioner is evaluating a 28-year-old adult who presented for follow-up evaluation for headaches. The patient reports a history of migraine since adolescence and would like to attempt pregnancy in the near future.  The patient consistently experiences visual changes and nausea within the hour preceding each headache.  The patient has maintained a headache diary which shows headaches coinciding with menses and additionally occurring on 4 other days during the course of the month. The patient has been previously treated with internasal sumatriptan (Imitrex) which has not been completely effective in relieving symptoms. Appropriate preventative migraine management for this patient may include daily prescription of which of these medications?

Allelic frequencies within a populaiton always remain constant in nature.

Which of the following arteries accounts for approximately 50% of occlusive coronary lesions?

Select the correct answer:    A 55-year-old White adult presents to the primary care nurse practitioner for follow-up for an annual wellness exam and review of laboratory test results. The patient smokes 1/2 pack per day. The patient has no medication allergies or other chronic health problems. Current laboratory findings are diagnostic for prediabetes and hyperlipidemia. The nurse practitioner develops a health promotion plan inclusive of referral to a dietitian for self-management education and smoking cessation recommendations.  Which of the following interventions will most likely support successful smoking cessation? 

Select the correct answer: A young adult adult with a prior history of migraine headache presents to a walk-in clinic with complaints of “the worse headache of my life”. The patient reports this headache did not follow the usual pattern of migraines which usually accompany a menstrual period. This headache is worse than prior headaches and was not preceded by an aura. The patient rates the headache as a 10/10. Examination of the patient reveals the following finding and similar finding in the contralateral eye:    What actions by the nurse practitioner are indicated at this time?

Select the correct answer: During an annual wellness exam, a 68-year-old adult informs a primary care nurse practitioner of a recent onset of headaches which began several months prior to the visit. The patient states the headaches are increasing in frequency and severity. The patient has experienced episodes of balance disturbances during this time resulting several near falls. The patient has a prior history of migraine headache as a young adult, but reports no migraine days since completing menopause at 52-years-of-age.   Which of the following should be integrated into the management plan for this patient? 

What will be the result of the error seen with this rubber dam placement between #2 and #3 that could impact the composite replacement on #3?