NR 507 Week 8 Final Exam (Version 2)

NR 507 Week 8 Final Exam (Version 2)
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1. Question
n: What term is used to describe a hernial protrusion of a saclike cyst
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that contains meninges, spinal fluid, and a portion of the spinal cord
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through a defect in a posterior arch of a vertebra?
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Student
Answer: Encephalocele

Meningocele

Spina bifida occulta n n




Myelomeningocele
Instructor Myelomeningocele is a hernial protrusion of a saclike cyst containing meninges,
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nExplanation: spinal fluid, and a portion of the spinal cord with its nerves through a defect in the
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posterior arch of a vertebra. The remaining options are not appropriate terms to
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identity the described condition.
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Question 2 n Question
. n: What provides the best estimate of the functioning of renal tissue?
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Student Answer:
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Glomerular filtration rate n n




n Hourly urine output n n




Serum blood urea nitrogen and creatinine
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The specific gravity of the solute concentration of the urine
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Instructor The glomerular filtration rate provides the best estimate of the level of
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nExplanation: functioning of renal tissue. The other options are not used to assess renal
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tissue function.
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Question 3 n Question
. n: Where are Langerhans cells found?
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Student Answer:
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Skin

,NR 507 Week 8 Final Exam (Version 2)
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Intestinal lining n




n Kidney

Thyroid
Instructor Of the available options, only the skin is the location for Langerhans cells.
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nExplanation:




Question 4 n Question
. n: Where in the lung does gas exchange occur?
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Student Answer:
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Trachea

Segmental
n




bronchi
n




Alveolocapillary membrane n




Main bronchus n




Instructor Gas exchange occurs only across the alveolocapillary membrane.
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nExplanation:




Question 5 n Question
. n: The tonic neck reflex observed in a newborn should no longer be
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obtainable by:
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Student Answer: n

2 years n




1 year n




10 months n




5 monthsn




Instructor The tonic neck reflex should be unobtainable by 5 months of age.
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nExplanation:

,NR 507 Week 8 Final Exam (Version 2)
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Comments:



Question 6 n Question
. n: When renin is released, it is capable of which action?
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Student Answer:
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Inactivation of autoregulation n n




n Direct activation of angiotensin II
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Direct release of antidiuretic hormone (ADH)
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Formation of angiotensin I n n n




Instructor When renin is released, it cleaves an -globulin (angiotensinogen
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nExplanation: produced by liver hepatocytes) in the plasma to form angiotensin I.
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Question 7 n Question
. n: The portion of the antigen that is configured for recognition and
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binding is referred to as what type of determinant?
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Student
Answer: Immunotope

Paratope

Epitope
n




Antigenitope
Instructor The precise portion of the antigen that is configured for recognition and binding is
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nExplanation: called its antigenic determinant or epitope. The other options are not used to
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identify this portion of the antigen.
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Question 8 n Question
. n: Which sexually transmitted infection frequently coexists with
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gonorrhea?
n

, NR 507 Week 8 Final Exam (Version 2)
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Student Answer: n

Syphilis

Herpes simplex virus n n




Chlamydia
n




Chancroid
Instructor The coexistence of chlamydial infection with gonorrhea frequently occurs. No
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nExplanation: coexistence exists with the other options.
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Question 9 n Question
. n: How is the effectiveness of vitamin B12 therapy measured?
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Student
Answer: Reticulocyte count n




n Serum

n transferring

n Hemoglobin

Serum vitamin B12 n n




Instructor The effectiveness of cobalamin replacement therapy is determined by a rising
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nExplanation: reticulocyte count. The other options are not used as indicators of the
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effectiveness of vitamin B12 therapy
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Question Question
n10 n: Carcinoma refers to abnormal cell proliferation originating from which
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. tissue origin?
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Student Answer:
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Blood vessels n




n Epithelial cells n




n Connective tissue n




Glandular tissue n




Instructor Only cancers arising from epithelial cells are called carcinomas.
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nExplanation: