Blog

Which of the following is a way to reduce the harm caused by glutamate excitotoxicity? 

Suppose a person presents to a hospital with muscle weakness, drooping eyelid, and nystagmus. After several tests, it is determined that this person is suffering from Myasthenia gravis – an autoimmune reaction that reduces the number of nicotinic acetylcholine receptors (nAchRs). Which of the following medications would be expected to BEST HELP this person’s condition? 

CASE STUDY (#29-33).  Nina is a 15-year old girl who reports to the Doctor for her annual sports physical.  Upon physical analysis, the physician notes pinpoint, purplish spots on Nina’s forearms and calves.  When questioned, Nina states that she has had quite a few bloody noses recently, too. The physician orders a panel of hemostatic screening tests on Nina.  Here are the results:Platelet Count – Normal               PT – Normal               aPTT – Normal Platelet Aggregation Studies and Urea Solubility are done on Nina’s sample.  Here are the results:ADP – Normal                  Epinephrine – Normal                   Collagen – Normal             Ristocetin – Abnormal Urea Solubility – Clot present after 24 hours Based on all of the lab testing results and patient symptoms, what would be the most likely specific cause of Nina’s symptoms?

Which of the following is true regarding the Extrinsic Xase Complex?

CASE STUDY (#24-28): Cameron is a 7 year-old girl who has an obvious petechial rash, along with other bleeding symptoms. Her physician orders coagulation screening tests, and here are the results: Platelet Count – 276,000/μL             PT – 12 seconds;              aPTT – 27 seconds  The physician decided to order platelet aggregation studies.  Results from the platelet aggregation studies were as follows:ADP –abnormal 2nd wave (normal 1st wave)        Collagen–abnormal        Epinephrine–abnormal 2nd wave (normal 1st wave) Ristocetin-normal  Based on the lab results and symptoms, which would be Cameron’s most likely diagnosis?

CASE STUDY (#24-28): Cameron is a 7 year-old girl who has an obvious petechial rash, along with other bleeding symptoms. Her physician orders coagulation screening tests, and here are the results: Platelet Count – 276,000/μL             PT – 12 seconds;              aPTT – 27 seconds Which result(s) were abnormal?

What acts as the protein “bridge” when platelets are attaching to one another?

The difference between simple partial seizures and complex partial seizures in an older adult is

Acute Immune Thrombocytopenic Purpura (ITP) is characterized by all of the following except:

Which of the following diagnostic tools is most commonly used to confirm a diagnosis of osteoarthritis?