Which is the only completely reliable way to avoid exposure to sexually transmitted diseases?
A) to abstain from sexual activity
B) to have annual medical examinations
C) to take antibiotics on a regular basis
D) to engage in oral sex only
A) to abstain from sexual activity
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In myasthenia gravis, antibodies destroy _____ or its receptors
A) acetylcholine B) dopamine C) epinephrine D) serotonin
How does eukaryotic DNA differ from prokaryotic DNA?
A) Eukaryotic DNA is more highly coiled. B) Eukaryotic DNA has more controller and promoter gene sequences. C) Eukaryotic DNA is wound around histones. D) Messenger RNA synthesized from eukaryotic DNA contains introns. E) All of the above.
Which statement made by a student nurse demonstrates understanding of the basic pathology of renal disorders?
1. "Postrenal dysfunction can be accompanied by an increased risk of infection." 2. "Prerenal dysfunction can be caused by excessive consumption of nonsteroidal anti-inflammatory drugs (NSAIDs)." 3. "Intrarenal dysfunction can lead to hydronephrosis." 4. "Postrenal dysfunction can result from severe hypovolemia."
When abnormal growth stems from younger, less differentiated cells, this is called?
a. Malignant b. Metastasis c. Acute malignancy d. Chronic malignancy