KROK 1 2020 – Question 49 · KROK (Medicine) · Human Anatomy
A 25-year-old woman complains of deteriorating vision. Examination revealed a defect in accommodation, the pupil is dilated and unresponsive to light. What muscles are functionally disturbed in this case?
- A. Iris sphincter muscle, ciliary muscle
- B. Superior oblique muscle, ciliary muscle
- C. Iris dilator muscle, ciliary muscle
- D. Lateral rectus muscle, iris sphincter muscle
- E. Iris sphincter and iris dilator muscles
Hint
Ask which smooth muscles inside the eye carry out accommodation and the light reflex, and which autonomic division supplies them.
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 Human Anatomy
- A person received a penetrating wound of the abdominal cavity. The anterior abdominal wall is injured. The wound tract passes through the plica…
- An oncology patient is to undergo a surgery on the descending colon. Name the main source of the blood supply to this organ:
- A 50-year-old man was hospitalized with suspected gallbladder inflammation. He was prescribed fibrogastroscopy of the gastrointestinal tract with…
- A 50-year-old man undergoes pancreatectomy for pancreatic tail due to pancreatitis. How is the affected organ located in relation to the peritoneum?
- After a cerebral hemorrhage the patient has lost the ability to understand speech. Where in the cortex is the site of trauma in this case?
- A 45-year-old woman has breast cancer. Metastases can spread in this case to the following regional lymph nodes: