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,
... [Show More] 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:
Question 5. Question : The tonic neck reflex observed in a newborn should no longer be obtainable by:
Student Answer: 2 years
1 year
10 months
5 months
Instructor Explanation: The tonic neck reflex should be unobtainable by 5 months of age.
Points Received: 2 of 2
Comments:
Question 6. Question : When renin is released, it is capable of which action?
Student Answer: Inactivation of autoregulation
Direct activation of angiotensin II
Direct release of antidiuretic hormone (ADH)
Formation of angiotensin I
Instructor Explanation: When renin is released, it cleaves an -globulin (angiotensinogen produced by liver hepatocytes) in the plasma to form angiotensin I.
Points Received: 2 of 2
Comments: [Show Less]