Each of the following organs is a component of the digestive tract except the
A) stomach.
B) pharynx.
C) esophagus.
D) bladder.
E) colon.
D
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Which skull canal transmits branches of the trigeminal nerve?
A. jugular foramen B. foramen ovale C. external auditory canal D. carotid canal E. nasolacrimal canal
If blood calcium levels drop below 8.5 mg/dL which hormone is likely to be activated?
A) parathyroid hormone B) estrogen C) calcitonin D) calcitriol E) both calcitriol and parathyroid hormone
A vaccine against HIV
A. is available for those who can afford it. B. may be impossible due to the variability and diversity of HIV. C. prevents opportunistic infections. D. consists of cocktails of drugs taken daily.
The adrenal medulla produces the hormones
A) synephrine and neosynephrine. B) epinephrine and norepinephrine. C) corticosterone and testosterone. D) androgens and progesterone. E) cortisone and cortisol.