A cover, or ________, is used by certain gastropods when they retreat into their shell and close the opening
a. operculum
b. periostracum
c. univalve
d. radula
a
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A rural farm worker is brought to the clinic, experiencing a cluster of nodular skin lesions on his arm. Some of the lesions have ulcerated. The worker indicates that he frequently gets scratches and abrasions on his hands and arms and that the first nodule appeared several weeks after he had removed a sliver. The nodules have been progressing slowly for the past six weeks. What is the most likely infection?
A. Necrotizing fasciitis B. Candidiasis C. Subcutaneous mycosis D. Erysipelas
A nurse takes your blood pressure during your annual examination, and she enters a reading of 115/70 in your medical chart. These numbers mean that the
A. pressure in your brachial artery during ventricular contraction is 115, while the pressure during ventricular relaxation is 70. B. nurse heard sounds through the stethoscope only when the pressure in your brachial artery was exactly 115 and again when it was exactly 70. C. pressure in the ventricles of the heart is 115 when the ventricles are contracting and 70 when the ventricles are relaxing. D. diastolic pressure is 115 and the systolic pressure is 70. E. pressure in your brachial artery during ventricular contraction is 115 while the pressure during atrial contraction is 70.
Which immunoglobulin is the most common in gland secretions?
a. IgG b. IgA c. IgD d. IgM e. IgE
The pain produced in an internal organ may be
perceived as occurring somewhere else. This phenomenon is called a. mixed nerve messages. b. referred pain. c. phantom pain. d. psychosomatic pain. e. hypochondria.