Aortic stenosis refers to a narrowing of the aortic valve in the heart. The paper ” Correlation Analysis of Stenotic Aortic Valve Flow Patterns Using Phase Contrast MRI” gave the following data on aortic root diameter and gender for a sample of patients having various degrees of aortic stenosis:
An elder adult patient with a history of chronic kidney disease has been undergoing dialysis for several years. Recent blood tests now show elevated calcium and parathyroid hormone (PTH) levels consistent with tertiary hyperparathyroidism. How is this condition defined? Autonomous parathyroid activity due to parathyroid adenomas Increased parathyroid activity in response to low serum calcium […]
Carbonic anhydrase inhibitors cause less movement of carbonic acid toward carbon dioxide production and are used as a prophylactic treatment of altitude sickness/Altitude sickness occurs when a hiker ascends to altitudes where the density of oxygen is low. How does this decrease the symptoms of high altitude sickness?
Regarding skeletal muscle contraction which instream. Stimulation can cause skeletal muscle contraction or relaxation. Autonomic neurons innervate the skeletal muscles. Calcium must be transported to the sarcoplasmic reticulum to cause muskelrelaxation. Calcium bind to calmodulin
Jenna is a 23-year-old college student who has been experiencing several symptoms such as weight gain, fatigue, hair loss, and irregular periods for the past six months. She has been trying to lose weight by following a strict diet and exercising regularly, but nothing seems to be working. Jenna also feels extremely tired all the time, […]
A 20-year-old female went to the doctor after noticing a swelling around her eyelids. Once the doctor examined her, he found an extreme generalized peripheral edema. Her abdomen and legs were swollen with some depressions in the clotheslines. Immediately, he asked for some lab tests which showed extreme loss of protein in her urine and […]
A 78-year-old woman comes to the physician because of a 10-month history of fatigue and shortness of breath onexertion in addition to a 2-month history of ankle swelling. Examination of the lower extremities shows bilateral pedal and ankle edema. A cardiac examination shows abnormal heart sounds. Which of the following is the most likely etiologyof […]
Mr. Dwaik is a 20-year-old young man who presents with a 2-week history of periorbital edema and swelling of the legs and ankles. Laboratory studies show hypoalbuminemia and proteinuria. Which of the following terms best describes this patient’s peripheral edema? a. Lymphedema O b. Myxedema 0 cExudateO d. Transudate
A 78-year-old woman comes to the physician because of a 10-month history of fatigue and shortness of breath on exertion in addition to 2-month sounds. Which of the following is the most likely etiology of the patient’s lower extremity edema? history of ankle swelling. Examination of the lower extremities shows bilateral pedal and ankle edema. […]
A 50-year-old man came to your clinic with a 15-year history of chest pain that occurs at night and after eating heavy meals, the patient is a smoker and eats plenty of foods, you diagnosed him with gastroesophageal reflux disease and decided to do a biopsy from the lower esophageal mucosa, biopsy results are shown […]
