KROK 1 2017 – Question 171 · KROK (Medicine) · Physiology
During the sports competition a boxer received a strong blow to the abdomen, which caused a knockout due to a brief drop in blood pressure. What physiological mechanisms are the cause of this condition?
- A. Alteration of transcapillary exchange
- B. Stimulation of sympathetic nerves
- C. Abrupt change in body fluid volume
- D. Stimulation of parasympathetic nerves
- E. Ischemia of the central nervous system
Hint
Think about which autonomic reflex is triggered by a blow to the solar plexus region and what it does to heart rate and vascular tone.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Physiology
- Corticosteroid hormones regulate the adaptation processes of the body as a whole to environmental changes and ensure the maintenance of internal…
- On examination the patient is found to have low production of adrenocorticotropic hormone. How would this affect production of the other hormones?
- Parkinson’s disease is caused by disturbance of dopamine synthesis. What brain structure synthesizes this neurotransmitter?
- Determining a patient’s blood group with monoclonal test-reagents revealed positive agglutination reaction to anti-A and anti-B reagents, and…
- During ascent into mountains a person develops increased respiration rate and rapid heart rate. What is the cause of these changes?
- A student, whose educational achievements throughout the semester were poor, feels emotionally tense during the final test. What is the primary…