Which mediator(s) of type I hypersensitivities below cause(s) increased vascular permeability,
increased mucus secretion, and smooth muscle contractions in the bronchi and intestines?
A) Prostaglandins B) Leukotrienes
C) Histamine D) All of the above
D
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In exfoliative cytology, the cells for examination are obtained by:
A) incision. B) syringe. C) needle. D) scraping.
Men have a greater risk of heart attack and stroke than women because
A. fewer women than men have hypertension. B. women have larger coronary arteries. C. premenopausal women seem to be protected by estrogen. D. men have more stress.
________ involves taking X-rays to trace the action of the kidney as it expels a dye injected into the bloodstream
A) Cystography B) Retrograde pyelogram C) Excretory urography D) Renography
Asking students to use a checklist to provide an assessment for a classmate in a particular sport skill during a class period would be:
A) a student log. B) a portfolio. C) an event task. D) a student project. E) a teacher observation.