All Subjects Medicine Surgery Pathology Anatomy Pharmacology Social & Preventive Medicine Microbiology Gynaecology & Obstetrics Dental Physiology Biochemistry Pediatrics
Showing 188245 questions
Sort:
37766 Physiology

As a part of the space-research program, a physiologist was asked to investigate the effect of flight-induced stress on blood pressure. Accordingly, the blood pressure of the cosmonauts was to be measured twice: once before the take-off and once after the spacecraft entered the designated orbit around the earth. For a proper comparison, the preflight blood pressure should be recorded in

AThe lying down position
BThe sitting position
CThe standing position
DAny position, as long as the post-flight recording is made in the same position
Physiology
View Explanation →
37768 Microbiology

An outbreak occurs in a community where the water supply is contaminated. Multiple patients experience nausea and vomiting as well as profuse diarrhea with abdominal cramps; stools are described as “rice water.” Curved, gram-negative rods are isolated on a sulfate-citrate-bile- sucrose agar. In the treatment of patients who have cholera, the use of a drug that inhibits adenyl cyclase would be expected to have which of the following characteristics?

ABlock the action of cholera toxin
BEradicate the organism
CIncrease fluid secretion
DKill the patient immediately
Microbiology
View Explanation →