A patient has a nodule on the thyroid gland. To determine whether the nodule is benign or malignant, which of the following tests would be best to perform?
A. Antithyroid antibodies
B. Ultrasonography
C. Fine needle aspiration biopsy
D. Isotopic thyroid scan
E. TSH blood levels
Answer: C
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A frontal or ____________ plane is a vertical plane passing through the body from side to side, dividing the body into anterior and posterior portions.
Fill in the blank(s) with the appropriate word(s).
Needle-sharing among drug users often leads to HIV transmission because
A. psychoactive drugs carry large amounts of the virus. B. needles may be contaminated with blood that contains HIV. C. a drug user's immune system is already weakened. D. antiviral medications are ineffective when other drugs are in the bloodstream.
Victims of lightning strike have a lesser chance of resuscitation than victims of cardiac or respiratory arrest
Indicate whether the statement is true or false.
What body parts are affected by untreated or poorly controlled diabetes?
A. eyes and brain B. blood vessels and heart C. kidneys and genitals D. nerves in the legs and feet E. All of the answers are correct.