Medicine Questions

Select the atypical antidepressant that is correctly and accurately paired with its mechanism of action.A. Mirtazapine: It increases the release of serotonin and norepinephrineB. Trazadone: It inhibits norepinephrine and serotonin uptakeC. Venlafaxine: It selectively blocks serotonin receptorsD. Duloxetine: It directly increases levels of serotonin

A nurse is caring for an elderly client who is taking metformin (Glucophage) for diabetes and is scheduled for cardiac catheterization. Which of the following is important for the physician to order?A. Withhold the metformin prior to cardiac catheterizationB. Administer the medication with a sip of water prior to the testC. Give the medication before breakfastD. Limit the amount of protein in the diet prior to the test

The most common cause of congenital adrenal hyperplasia is deficiency in this hormone:

Individuals with congenital adrenal hyperplasia will have increased levels of this hormone:

A diagnosis of congenital adrenal hyperplasia due to 21-hydroxylase deficiency is made by measuring this steroid precursor:

Infants that present with a salt-wasting crisis due to congenital adrenal hyperplasia usually present with what electrolyte findings?

In the follicles of the thyroid, what enzyme converts T4 to T3 in peripheral tissue?

Somatostatin, dopamine and glucocorticoids have what effect on the anterior pituitary TSH release?

Does T3 or T4 bind nuclear receptors with greater affinity?

One way that PTH maintains Ca2+ balance is by interacting with the kidney and increasing Ca2+ reabsorption on the thick ascending loop of Henle and the:

Hypoglycemia due to overdosage of insulin can be measured with this marker that is associated with endogenous insulin production:

Glucagon's metabolic effect on the liver causes increases in these two "genesis" and these two "lysis":

Glucagon is secreted by these cells of the Islets of Langerhans:

M-CSF causes stem cells to differentiate into this kind of cell:

Besides PTH, what other hormone has an effect on the reabsorption of Ca2+ in the distal tubule:

When PTH binds osteoblasts, what factor do the cells secrete?

The binding of calcium on albumin and other calcium binding proteins is pH dependent. An increase in pH will cause protein binding to:

One way parathyroid increases serum calcium levels is by interacting on bones by binding to this cell:

Type I diabetes is commonly associated with destruction of this cell type:

The net effect of PTH secretion on calcium and phosphorous levels is: