Which of the following specialized structures increases the ability of the jejunum to absorb nutrients?

Which part of the nephron requires antidiuretic hormone to allow reabsorption of water?

During glomerular filtration which of the following should not be filtered?

Low blood pressure will lead to a decrease in the glomerular filtration rate (GFR).  What will the change be in ions passing the macula densa cells?

During the third stage of swallowing what type of movement involuntarily propels food down the esophagus?

Which hormone stimulates reabsorption of sodium in the distal convoluted tubule?

Which organ of the alimentary canal contains 3 layers of muscle within the muscularis?

A 26-year-old woman at 14 weeks of gestation presents for routine prenatal care. A clean-catch midstream urine specimen is collected for in-office chemical analysis. The dipstick flags positive for glucose and leukocyte esterase. The sample is submitted to the lab for culture.  After 24 hours of incubation, the culture shows >100 colonies of Escherichia coli. A repeat urine culture collected 48 hours later yields the same result: >100 colonies of E. coli, and a rare colony of yeast that is presumptively identified as Candida albicans.    The provider calls to discuss the significance of the culture reports. The patient denies any symptoms of pelvic discomfort or pain during urination. What is the recommended course of action for this patient?  

Select which organism(s) may appear as non-lactose fermenters on MAC, but ferment sugars present in XLD and HE agar?

Several students at a university report developing nausea, vomiting, and abdominal cramps approximately 2–4 hoursafter eating fried rice at a campus dining event. Most recover within 24 hours without medical treatment. The health department investigates and collects leftover food and stool specimens from symptomatic individuals. Which of the following is the most likely causative organism, and what is the primary mechanism of illness?