The most accurate description of the wheal is ( )
A: these are palpable and elevated lesions more than 1cm in size.
B: these are transient, well demarcated and elevated swellings of the
skin.
C: these are sharply circumscribed, elevated, clear fluid-containing
cavities less than 1cm in diameter.
D: this is simply a flat circumscribed change in the color or texture of
the skin, without elevation or depression.
A: these are palpable and elevated lesions more than 1cm in size.
B: these are transient, well demarcated and elevated swellings of the
skin.
C: these are sharply circumscribed, elevated, clear fluid-containing
cavities less than 1cm in diameter.
D: this is simply a flat circumscribed change in the color or texture of
the skin, without elevation or depression.
举一反三
- Money market securities usually have a maturity of: () A: more than 1 year B: less than 1 year C: 1<br/>to 3 years D: less than 91 days
- Compared with WBC classification in adult, that of children (pre-school age) usually show as A: Lymphocytic elevation B: Monocytes are elevated C: Erythrocytosis D: Elevated mutant lymphocytes
- Parathion has which one of the following characteristics? ( ) A: It<br/>is inactivated by conversion to paraoxon B: It<br/>is less toxic to humans than malathion C: It is more persistent in the environment than DDT (dichlorodiphenyltrichloroethane, halogenated hydrocarbon insecticides) D: It<br/>is poorly absorbed through skin and lungs E: If<br/>treated early, its toxicity may be partly reversed by pralidoxime
- Regarding the clinical manifestations of concussion, which of the<br/>following statements are correct?()<br/>A<br/>.Under normal circumstances, loss of consciousness does not exceed 30<br/>minutes <br/>B.<br/>No headache <br/>C<br/>.Elevated blood pressure <br/>D<br/>.Retrograde amnesia A: .Under normal circumstances, loss of consciousness does not exceed 30<br/>minutes <br/><br/>No headache B: .Elevated blood pressure C: .Retrograde amnesia D: No headache
- Which the following statement about the change of blood pressure is<br/>wrong() A: Clip the side of the common carotid artery, and cause to raise blood<br/>pressure B: Arterial blood pressure is elevated when the sympathetic nerve is<br/>excited C: Vagus nerve inhibits heart activity and lowers arterial blood<br/>pressure D: The excitation of vagus nerve enhances heart activity and arterial<br/>blood pressure elevated E: Intravenous epinephrine, blood pressure rise