NR 507 Final Exam 1 Question and Answers

NR 507 Final Exam 1 – Question and Answers 1. Question : What term is used to describe a hernial protrusion of a saclike cyst that contains meninges, spinal fluid, and a portion of the spinal cord through a defect in a ...

NR 507 Final Exam 1 – Question and Answers 1. Question : What term is used to describe a hernial protrusion of a saclike cyst that contains meninges, spinal fluid, and a portion of the spinal cord through a defect in a posterior arch of a vertebra? Student Answer: Encephalocele Meningocele Spina bifida occulta Myelomeningocele Instructor Explanation: Myelomeningocele is a hernial protrusion of a saclike cyst containing meninges, spinal fluid, and a portion of the spinal cord with its nerves through a defect in the posterior arch of a vertebra. The remaining options are not appropriate terms to identity the described condition. Points Received: 0 of 2 Comments: Question 2. Question : What provides the best estimate of the functioning of renal tissue? Student Answer: Glomerular filtration rate Hourly urine output Serum blood urea nitrogen and creatinine The specific gravity of the solute concentration of the urine Instructor Explanation: The glomerular filtration rate provides the best estimate of the level of functioning of renal tissue. The other options are not used to assess renal tissue function. Points Received: 2 of 2 Comments: Question 3. Question : Where are Langerhans cells found? Student Answer: Skin Intestinal lining Kidney Thyroid Instructor Explanation: Of the available options, only the skin is the location for Langerhans cells. Points Received: 2 of 2 Comments: Question 4. Question : Where in the lung does gas exchange occur? Student Answer: Trachea Segmental bronchi Alveolocapillary membrane Main bronchus Instructor Explanation: Gas exchange occurs only across the alveolocapillary membrane. Points Received: 2 of 2 Comments: