Chapter 13: Endocrinology

10 Questions | By Ryan Palmer | Updated: Jul 30, 2011 | Attempts: 1561

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Questions and Answers

1.

ADH is secreted by the
- A.
  
  Hypothalamus
- B.
  
  Posterior lobe of the pituitary
- C.
  
  Intermediate Lobe of the pituitary
- D.
  
  Anterior lobe of the pituitary
Correct Answer
B. Posterior lobe of the pituitary
2.

ADH has it greatest influence on the kidneys at
- A.
  
  Cortex
- B.
  
  Distal convoluted tubule
- C.
  
  Medulla
- D.
  
  Proximal convoluted tubule
Correct Answer
C. Medulla
3.

TSH stimulation in the thyroid causes
- A.
  
  Decreased blood flow
- B.
  
  Decrease in gland size
- C.
  
  Increased in follicular epithelium
- D.
  
  Increase in colloid
Correct Answer
C. Increased in follicular epithelium
4.

A 16 year old female presents to HMC s/p boating accident and closedhead injury with anterior table non-displaced frontal sinus fracture. Herurine output on day two is 10 liters a day. You tell the family
- A.
  
  This is self limited and prognosis is good
- B.
  
  This requires immediate surgery for decompression and fracture repair
- C.
  
  This is idiopathic and has a high mortality
- D.
  
  This is not my problem as trauma service
Correct Answer
C. This is idiopathic and has a high mortality

Explanation
Diabetes insipidus when related to trauma carries a high mortality rate. Etiology currently unknown.

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1
5.

In relation to Calcium, phosphorus
- A.
  
  Increases in serum concentration
- B.
  
  Decreases in serum concentration
- C.
  
  Linked to Magnesium
- D.
  
  Linked to albumin
Correct Answer
B. Decreases in serum concentration
6.

Long term management of hypercalcemia does not include
- A.
  
  Bisphosphonates
- B.
  
  Hydration
- C.
  
  Calcitonin
- D.
  
  Loop diuretics
Correct Answer
C. Calcitonin

Explanation
Calcitonin has a short half life compared to the other choices.

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7.

A 37 year old females is s/p thyroidectomy POD #2 with heart rate of 155,temperature of 102 and altered mental status. Her TSH is 0.01 and T4 isfound to be 12.3. First line treatment includes
- A.
  
  Medication targeted at destroying follicular cells
- B.
  
  Medication that decreases T4 output in the colloid cells
- C.
  
  Medication that prevents conversion of T4 to T3
- D.
  
  Medication targeted centrally to prevent the release of TSH
Correct Answer
C. Medication that prevents conversion of T4 to T3

Explanation
A. Radioactive iodine ablation; B. methimazole; C. Propylthiouracil

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0
8.

Which medication should be avoided in a thyroid storm
- A.
  
  B-blocker
- B.
  
  Glucocorticosteriods
- C.
  
  Insulin
- D.
  
  ASA
Correct Answer
D. ASA

Explanation
ASA increases the metabolic activity within the thyroid gland further contributing to the hyperthyroidism.

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9.

A 45 year old man is s/p total thyroidectomy with numbness in caceand hands and a positve Chovstek sign. The serum calcium is 6.9 theappropiate step is
- A.
  
  D/C with close follow up to home
- B.
  
  Check a magnesium STAT
- C.
  
  Calcium gluconate 3 gm IV
- D.
  
  Oscal with D 4500mg per day
Correct Answer
C. Calcium gluconate 3 gm IV

Explanation
When a patient is hypocalcemic and symptomatic, it is best to replace their calcium intravenously. This may delay their discharge because of the short half-life of IV calcium (6 hours), but should be given due to the symptomatic nature of the hypocalcemia.

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10.

BonusThe most anterior cell of the ethmoid sinuses is called ? and for full creditmarks what other structure

Correct Answer
Agger nasi. The agger nasi is the most anterior cell of the ethmoid sinus. Its posterior border marks the anterior margin of the frontal recess. The posterior border of the frontal recess is the anterior margin of the ethmoid bulla.

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Current Version
Jul 30, 2011

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Jul 26, 2010

Quiz Created by
Ryan Palmer

Chapter 13: Endocrinology

ADH is secreted by the

ADH has it greatest influence on the kidneys at

TSH stimulation in the thyroid causes

A 16 year old female presents to HMC s/p boating accident and closedhead injury with anterior table non-displaced frontal sinus fracture. Herurine output on day two is 10 liters a day. You tell the family

In relation to Calcium, phosphorus

Long term management of hypercalcemia does not include

A 37 year old females is s/p thyroidectomy POD #2 with heart rate of 155,temperature of 102 and altered mental status. Her TSH is 0.01 and T4 isfound to be 12.3. First line treatment includes

Which medication should be avoided in a thyroid storm

A 45 year old man is s/p total thyroidectomy with numbness in caceand hands and a positve Chovstek sign. The serum calcium is 6.9 theappropiate step is

BonusThe most anterior cell of the ethmoid sinuses is called ? and for full creditmarks what other structure