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The mother of a 5-year-old boy brings him into the clinic because of a firm swelling around one of his testes. What diagnosis is suggested?

Trichomoniasis is an STI that can occur in either sex. Men carry the protozoan in the urethra and prostate and remain asymptomatic. This anaerobic protozoan can cause a number of complications. What is a risk factor for trichomoniasis in both men and women?

Explain the process of bacterial transformation and making a genetically a modiefied bacterial to make human insulin. as we modeled in Lab. 

Epididymitis can be sexually transmitted, or it can be caused by a variety of other reasons, including abnormalities in the genitourinary tract. What are the most common causes of epididymitis in young men without underlying genitourinary disease?

Which of the following statements most accurately captures a principle of blood flow?

Cancer of the breast is the most common cancer in women. Many breast cancers are found by women themselves while doing breast self-examination. When should postmenopausal women perform breast self-examination?

Metabolic acidosis has four main causes. Which laboratory test is used to determine the cause of metabolic acidosis?

Respiratory alkalosis is caused by hyperventilation, which is recognized as a respiratory rate in excess of that which maintains normal plasma PCO2 levels. What is a common cause of respiratory alkalosis?

Endometriosis is the condition where endometrial tissue is found growing outside of the uterus in the pelvic cavity. What are risk factors for endometriosis?

Vitamin D, although officially classified as a vitamin, functions as a hormone in the body. What other hormone is necessary for the body for vitamin D to work?