NSG 170 Gas Exchange Practice Questions and Answers
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Course
NSG 170
Institution
NSG 170
How much oxygen is in room air? 21%
Thoracic cavity an airtight chamber
Diaphragm floor of the thoracic chamber
Breathing is what ratio? 1:2 ratio (inspiration is 1/3 of the respiration cycle, expiration is 2/3 of respiratory cycle)
Ventilation moving air in and out of the lungs
Cond...
NSG 170 Final Review Questions and
Complete Solutions
Name the two tests for low calcium/magnesium and muscle spasms ✅chvostek sign,
trousseau's sign
Name a symptom for low potassium ✅dysrhythmias (st depression), decreased dtrs,
weakness, orthostatic hypotension, decreased bowel sounds
Three categories of iv fluids ✅isotonic, hypotonic, hypertonic
Body releases what hormones to cause na and h2o excretion by the kidneys ✅adh
(from posterior pituitary), aldosterone (adrenal glands)
Body releases what peptides to cause na and h2o excretion by the kidneys? ✅anp and
bnp
Glycogenesis occurs in what organ in response to low blood sugar? ✅liver
Any of these can cause hypoglycemia ✅exercise, too much medicine, alcohol, not
eating
The goal of a1c in gestational diabetes ✅6-6.5% or less
Any of these can cause hyperglycemia ✅excess intake of carbs (poor diet choices),
not taking meds, illness/surgery, stress
This is present in dka but not hhs ✅ketones
Type of breast cancer with brca gene mutation ✅triple negative breast cancer
Age a women at average risk is recommended to begin annual mammograms ✅45
Acs recommends average risk person to begin colon cancer screening at what age?
✅45
How often should people do colonoscopy to screen for colon cancer? ✅every 10 years
How often should people do fecal occult blood tests to screen for colon cancer?
✅every year
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