Which of the following is transmitted through direct contact with the blood or body fluid of someone who is infected (usually through unprotected sex, sharing needles, or passed from a mother to a baby at birth)? Symptoms may take 10 years or more to show. Once they appear, the person is susceptible to life-threatening infections.
Herpes simplex virus
Human papillomavirus
Human immunodeficiency virus
Cytomegalovirus
The Correct Answer is C
Choice A reason: Herpes simplex virus is incorrect because it is not the infection described in the question. It is transmitted through direct contact with the skin or mucous membranes of someone who is infected, usually through oral or genital sex. Symptoms include painful blisters and sores in the mouth or genitals. It does not cause life-threatening infections, but it can increase the risk of other sexually transmitted infections.
Choice B reason: Human papillomavirus is incorrect because it is not the infection described in the question. It is transmitted through direct contact with the skin or mucous membranes of someone who is infected, usually through genital sex. Symptoms include genital warts and cervical cancer. It does not cause life-threatening infections, but it can increase the risk of other cancers.
Choice C reason: Human immunodeficiency virus is correct because it is the infection described in the question. It is transmitted through direct contact with the blood or body fluid of someone who is infected, usually through unprotected sex, sharing needles, or passed from a mother to a baby at birth. Symptoms may take 10 years or more to show. Once they appear, the person is susceptible to life-threatening infections, such as pneumonia, tuberculosis, or cancer. This condition is also known as acquired immunodeficiency syndrome (AIDS).
Choice D reason: Cytomegalovirus is incorrect because it is not the infection described in the question. It is transmitted through direct contact with the saliva, urine, or breast milk of someone who is infected, usually through kissing, sexual contact, or breastfeeding. Symptoms are usually mild or absent in healthy people, but they can be serious in people with weakened immune systems or unborn babies. It does not cause life-threatening infections, but it can cause birth defects, hearing loss, or vision problems.
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Correct Answer is B
Explanation
Choice A reason: Gonorrhea is incorrect because it is not the infection described in the question. It is a bacterial infection that spreads through any form of unprotected sex, but it does not have stages of symptoms or affect the heart, eyes, and brain. It can cause pain, discharge, and inflammation in the genitals, anus, or throat. It can be treated with antibiotics.
Choice B reason: Syphilis is correct because it is the infection described in the question. It is a bacterial infection that spreads through any form of unprotected sex and by skin contact. It has stages of symptoms, such as sores, rashes, fever, and fatigue. If untreated, it can affect the heart, eyes, and brain, causing serious complications. It can be treated with antibiotics.
Choice C reason: Chlamydia is incorrect because it is not the infection described in the question. It is a bacterial infection that spreads through any form of unprotected sex, but it does not have stages of symptoms or affect the heart, eyes, and brain. It often causes no symptoms, but it can cause pain, discharge, and bleeding in the genitals or rectum. It can be treated with antibiotics.
Choice D reason: Trichomoniasis is incorrect because it is not the infection described in the question. It is a parasitic infection that spreads through any form of unprotected sex, but it does not have stages of symptoms or affect the heart, eyes, and brain. It can cause itching, burning, and odor in the genitals. It can be treated with antiparasitic drugs.
Correct Answer is D
Explanation
Choice A reason: Congenital anomalies of the central nervous system are not a common complication of GDM, as they usually occur in the first trimester, before GDM develops. However, GDM can increase the risk of other congenital anomalies, such as cardiac defects or neural tube defects.
Choice B reason: Preterm birth is a possible complication of GDM, as it can be caused by maternal hypertension, preeclampsia, or placental abruption. However, it is not the most likely complication, as GDM can also delay the onset of labor and prolong the pregnancy.
Choice C reason: Low birth weight is not a typical complication of GDM, as it is more associated with intrauterine growth restriction (IUGR), which is caused by placental insufficiency. GDM can cause the opposite problem, which is excessive fetal growth.
Choice D reason: Macrosomia is the most common complication of GDM, as it is defined as a birth weight of more than 4,000 grams (8.8 pounds). It is caused by the excess glucose crossing the placenta and stimulating the fetal insulin production, which leads to increased fat deposition and organ enlargement. Macrosomia can increase the risk of birth trauma, shoulder dystocia, and neonatal hypoglycemia.
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