part 8

Question 1

A 25-year-old woman with red and itchy eczematoid dermatitis visits your office. She had a dental procedure one day earlier with administration of a local anesthetic. There were no other findings, although she indicated that she had a hi- story of allergic reactions. Which of the following drugs is most likely involved?

Answer 1

Procaine

Question 2

In course of metabolic process active forms of oxygen including superoxide ani- on radical are formed in the human body. By means of what enzyme is this anion inactivated?

Answer 2

Superoxide dismutase

Question 3

A patient has elbow joint trauma with avulsion of medial epicondyle of humerus. What nerve can be damaged in this trauma?

Answer 3

Ulnar

Question 4

A student is writing a thorough summary of a lecture. Quality of summari- zing has considerably worsened when his neighbours started talking. What kind of inhibition in the cerebral cortex caused this effect?

Answer 4

External

Question 5

While enrolling a child to school Mantu’s test was made to define whether revaccination was needed. The test result is negative. What does this test result mean?

Answer 5

Absence of cell immunity to the tuberculosis

Question 6

The donor who didn’t donate the blood for a long time was investigated with IFA method. Anti-HBs antibodies were revealed. What does positive result of IFA in this case mean?

Answer 6

Previous hepatitis B

Question 7

Testosterone and it’s analogs increase the mass of skeletal muscles that allows to use them for treatment of dystrophy. Due to interaction of the hormone with what cell substrate is this action caused?

Answer 7

Nuclear receptors

Question 8

Inhibition of α-motoneuron of the extensor muscles was noticed after stimulation of α-motoneuron of the flexor muscles during the experiment on the spinal cord. What type of inhibition is this process based upon?

Answer 8

Reciprocal

Question 9

A patient who has been strictly keeping to a certain diet for 10 days went through examination of respiratory coefficient. It was determined that it was equal 1. What have the patient been keeping to?

Answer 9

With domination of carbohydrates

Question 10

Buffer capacity of a worker’s blood was decreased due to exhausting muscular work. By coming of what acid substance in the blood can this state be explained?

Answer 10

Lactate