Exam (elaborations)
Maryville NURS 611 Patho Exam 2 questions with correct answers
- Course
- NURS 612
- Institution
- Maryville College
Maryville NURS 611 Patho Exam 2 questions with correct answers
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Maryville NURS 611 Patho Exam 2 questions withcorrect answers
Autocrine Correct Answer-Communication within the same cell
Paracrine Correct Answer-Communication between local cells
Endocrine Correct Answer-Communication between remote cells
Functions of the endocrine system Correct Answer-Differentiation of the
reproductive and central nervous system in the developing fetus
Stimulation of sequential growth and development during childhood and
adolescence
Coordination of the male and female reproductive systems
Maintenance of an optimal internal environment throughout the life span
Initiation of corrective and adaptive responses when emergency
demands occur
Peptide hormones Correct Answer-Derived from a protein structure
Water-soluble
Synthesized and stored
Amine hormones Correct Answer-Derived from amino acid tyrosine-T,
which is thyroid hormone T3 and T4
,Steroid hormones Correct Answer-Fat-soluble
Come from cholesterol
Not stored, they are released as they are produced
Negative feedback Correct Answer-The most common homeostatic
control mechanism. The net effect is that the output of the system shuts
off the original stimulus or reduces its intensity.
Think home thermostat
Water-soluble Correct Answer-Circulate in free unbound forms.
Short life
E.g., insulin with a half-life of 3-5 minutes
Needs a membrane receptor to go into the cell
Lipid-soluble Correct Answer-Are primarily transported bound to a
carrier or transport protein - can remain in the blood for hours to days
Can go right into the cell
Target cells Correct Answer-Recognize and bind with a high affinity to
hormones
Initiate a signal
The more receptors, the more sensitive the cell
Up-regulation Correct Answer-Low concentrations of hormones
increase the number of receptors per cell
,Down-regulation Correct Answer-High concentration of hormones
decrease the number of receptors per cell
Prolactinoma Correct Answer-Anterior pituitary gland disorder that
secretes prolactin.
Amenorrhea, infertility, hirsutism, ED, osteopenia
Diabetes Insipidus (DI) Correct Answer-ADH deficiency decreases
water reabsorption, resulting in and increase and dilute urine output and
more concentrated serum
DI S/S Correct Answer-Increased urine output (8 to 12 L/day)
Hypernatremia serum
Dilute urine
DI Tx Correct Answer-Give ADH, desmopressin (ddAVP)
Syndrome of Inappropriate Antidiuretic Hormone (SIADH) Correct
Answer-ADH excess
Increased ADH increase water reabsorption, resulting in more
concentrated urine and more dilute urine
SIADH Correct Answer-Too much ADH
Retaining too much water
, HYPOnatremia
HYPERcolemic, weight gain
Diabetes Type 1 Correct Answer-Autoimmune process that destroys the
beta cells of the pancreas
90% autoimmune activated by an environmental insult
Pt often presents DKA (b/c no insulin to prevent ketosis)
DMT2 Correct Answer-If you suspect this check C-peptides
Diabetes Type 2 Correct Answer-Insulin resistance
DMT2 Risk factors Correct Answer-Age
OBESITY
Family Hx
DMT2 Correct Answer-Some cases can burn out the pancreas, thus
needing insulin replacement
DMT2 HNKS Correct Answer-Hypermolar nonketotic state (because
there is still enough insulin to prevent ketosis)
DM S/S Correct Answer-3P's
Polyphagia
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