MSC BSIC Anatomy Quiz

A 49-year-old male was admitted to the emergency room after passing out at home. The neurological exam and imaging indicated that he suffered a stroke affecting the distribution of the left superior cerebellar artery. Which of the following clinical signs would most likely be seen in this patient?

A 25-year-old female presented to the emergency room complaining of muscle weakness and decreased sensation in her right upper and lower limbs. The neurological exam indicated there was increased reflexes and loss of touch on her right upper and lower limbs with the loss of pain and temperature on her left upper and lower limbs. The right eyelid had a slight droop, and the right pupil was constricted.  A lesion in which of the following areas would result in these clinical findings?

A 62-year-old female goes to her doctor complaining of a dry, painful eye. The exam indicated there were damages to the cornea because of the loss of lacrimal secretion. Further examination showed that the postganglionic fibers supplying the lacrimal gland were damaged. Which of the following would most likely be damaged?

A vascular lesion involving the area of the temporal lobe supplied by the right middle cerebral artery would produce which of these visual field defects?

A 72-year-old man presents to his physician complaining of hearing problems. He told the physician that he was having significant trouble telling which directions sounds were coming from when his family was talking to him at home. The auditory exam indicated that he had slightly reduced hearing in both ears and showed that he was having a significant problem determining the direction of sounds. What is the most likely site of the lesion causing this patient’s hearing difficulties?

A 30-year-old male was identified with infertility issues. The clinical work up indicated there was decreased emission that was determined to be due to neurological spinal cord lesions. Damage to which of the following areas of the spinal cord would most likely result in infertility?

A patient goes to the physician complaining of having a dry mouth. In addition, there was a very weak gag response noted. A lesion to which of the following could be the basis for the dry mouth?

During a horizontal gaze exam, having the patient to look to the right, it was found that the right eye abducted correctly but the left eye did not adduct. The left eyelid could be elevated, and the convergence reflex was intact for both eyes. This defect in horizontal gaze is most likely due to a lesion in which of the following?

A 72-year-old man presents to the neurologist with progressive weakness in both lower limbs for the last several months.  The clinical exam showed that both lower limbs showed Babinski signs with hypertonia. Several weeks later, the physical exam indicated that both upper limbs began to show decreasing muscle stretch reflexes with hypotonia.  The clinical exam showed normal sensory functions in both the upper and lower limbs throughout the progression of the disease.  Which of the following is the most likely diagnosis in this patient?

A 76-year-old female is admitted to the emergency room following a vascular stroke of the brainstem.  The clinical exam showed that there was loss of pain and temperature on the right side of the face and loss of pain and temperature on the left upper and lower limbs. There were also some signs of a left pathological, horizontal nystagmus. The muscles around the right eye and mouth showed normal strength. Occlusion of which of the following arteries resulted in the stroke?

A lumbar puncture is performed to withdraw cerebrospinal fluid on a patient with meningitis. During the procedure, which would be the last structure penetrated by the needle?

A young man was involved in a head-on automobile collision that resulted in major instability of the knee.  During the clinical exam, it was noted that his tibia could freely move laterally relative to the femur.  Which of the following structures was most likely damaged?

A 17-year-old male broke his tibia after jumping off a high ridge while on a hiking trip. He wore a cast for 7 weeks. After removing the cast, the clinical exam indicated that the top of the cast had compressed the nerve coursing at the neck of the fibula.  Which of the following functional deficits best describe those observed by the physician?

A 35-year-old female comes to the emergency room with a painful knee and difficulty in walking. The radiologic exam showed a large cyst compressing structures in the popliteal fossa. Which of the following motor functions is most likely affected?

A football player damaged his shoulder during a game.  The clinical exam and radiology films indicated an inferior dislocation of the head of the humerus.  Which of the following upper limb movements would most likely be affected?

A 68-year-old woman presents to the emergency department with a complaint of crushing chest pain. Her labs reveal elevated cardiac enzymes suggesting an acute myocardial infarction. Echocardiography confirms an akinetic segment of the heart muscle that contains the AV bundle (of His). Other parts of the cardiac conduction system are unaffected. Which artery is the most likely one that has been obstructed?

An 82-year-old man reports to the ED after experiencing difficulty breathing. After physical and radiographic assessment, the patient is admitted to the ICU with an accumulation of fluid in the pleural cavity. His breathing becomes progressively more labored and a decision is made to remove some of the fluid to allow for better lung expansion. The resident assigned to this patient prepares to draw off the fluid with an aspiration needle. Which of the following best describes the most appropriate access point for this procedure?

During prenatal life, which of the following vessels/structures contains blood with the lowest oxygen saturation?

Which of the labeled structures receives autonomic parasympathetic innervation via the pelvic splanchnic nerves?

Identify the structure labeled “C” in the attached radiograph.