NURS 8022 EXAM 3 NEWEST 2024-2025 /COMPLETE ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS )
ALREADY GRADED A+.
Which of the following disorders can lead to a low V/Q mismatch?
A. Pulmonary edema
B. Pulmonary Embolism
C. Pulmonary Hypertension
D. Hypercapnia
A. Pulmonary edema
Nitric oxide, which is released by the glomerular endothelial cells,
causes which physiological process to occur?
A. Vasoconstriction
B. Vasodilation
B. Vasodilation
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What would be a normal physiological response in regard to osmosis
be in a patient with hyperglycemia?
The patient's serum is hypertonic and the fluid will move out of the
cell
How does the parasympathetic nervous system decrease heart rate?
Release of ACH from the parasympathetic system increases the
permeability of K+ ions and leads to hyperpolarization of the cell. A
patient is in renal failure. The patient reports a history of severe
diarrhea for several days. They also report they have not been able to
eat or drink anything for the last 24 hours due to not feeling well. The
,NP would suspect that this patient's renal failure is a (pre/intral/post
renal) and is due to (dehydration/ischemia/urinary obstruction).
Prerenal; dehydration
Which of the following cardiac alterations could lead to left sided
hypertrophic cardiomyopathy? A. Aortic stenosis
B. Pulmonary hypertension
C. Cardiac dilation
D. Amyloidosis
A. Aortic stenosis
Natriuretic peptides increase the _________ of sodium?
excretion
A patient presents with right sided heart failure, what is the most
likely cause?
Left sided heart failure
If a patient's BP was 200/120 what would you expect to occur
physiologically in the kidneys?
Afferent arteriole constriction GFR
is directly related to..
renal blood flow and perfusion pressure in the glomerular capillaries
Which of the following represents ventricular systole on the ECG?
A. PR interval
B. QRS
C. ST interval
D. QT interval
QT interval
,When reviewing the patients chart a provider reads that there is
nephrotic sediment in the urine. This means there is a large presence
of
Protein
When reviewing the patients chart a provider reads that there is
nephritic sediment in the urine. This means there is a large presence
of
Blood
What are two functions of surfactant in the lungs?
-Keeps alveoli open and free of fluid
-Decreases surface tension by blocking H2O and H+ binding
If a patients has low plasma volume what is the normal physiological
response?
Thirst
Which nerve innervates the diaphragm?
Phrenic nerve
Which lipid carried cholesterol to the tissues?
LDL
What three areas does gas exchange occur?
Bronchioles
Alveolar ducts
Alveoli
Gas exchange airways are served by the
A. Cardiac circulation
B. Venous circulation
C. Pulmonary circulation
C. Pulmonary circulation
, What happens to the percentage of body water through the lifespan? -
ANSWER-Newborns; 75-90%
Childhood; 60-65%
Adults; 60%
Older adults; declines with age
Why do older adults experience a decrease in body percentage of
water? - ANSWER-- increased adipose tissue
- decreased muscle mass
- renal decline
- diminished thirst
What is the definition of osmotic force? - ANSWER-Amt. of
hydrostatic pressure required to oppose the osmotic movement of
water.
What is filtration? - ANSWER-movement of fluid from the capillary into
the interstitial space
What is reabsorption? - ANSWER-movement of fluid from interstitial
space into the capillary
What is capillary hydrostatic pressure? - ANSWER-(blood pressure)
facilitates the outward movement of water from the capillary to the
interstitial space
What is capillary oncotic pressure? - ANSWER-Water pulling
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