CURRENTLYLY TESTING COMPLETE 500
ACTUAL EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS EXPERT
VERIFIED /ALREADY GRADED A+
What is second degree heart block? -
....ANSWER...Wenkebach (mobitz 1): PR continues to
get
longer and longer until a QRS is dropped. "Longer
longer longer drop, that is a wenkebach"
Mobitz type 2: the PR is lengthened but constant.
But then a dropped QRS occurs
What is third degree AV block? - ....ANSWER...Complete
heart block. No conduction (relationship) between the atria
and ventricles. P-waves and QRS are unrelated on ECG. P-
waves at normal rate (SA node pace); QRS 40-60 beats/min
(AV node pace).
When should you consider a G tube? - ....ANSWER...If
supplemental feeding is needed > 6 weeks
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,When should parenteral nutrition be used? -
....ANSWER...When GI tract cannot be used. And use
the central line if > 2 weeks.
What is normal sodium? - ....ANSWER...135-145 mEq/L
What is normal urine sodium? - ....ANSWER...10-20
mEq/L
What is normal serum osmolality? - ....ANSWER...275-
295 mOsm/kg
What does high/low urine sodium mean? -
....ANSWER...Greater than 20 means renal salt wasting
(problem with the kidney). Less than 20 suggests
renal retention to compensate
What does hypotonic hypovolemia mean? -
....ANSWER...Serum osm < 280 = state of body water
excess
If urine Na < 10: dehydration, diarrhea, vomit
If urine Na > 10: diuretics, ACE is, mineralcorticoid
deficiency
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,What causes hypervolemic, hypotonic hyponatremia? -
....ANSWER...Edema, CHF, liver disease, advanced
renal failure
RESTRICT FLUIDS
When should women have screening for osteoporosis? -
....ANSWER...Screening every 2 years with Dexa bone scan
in women > 65 years old
When is lung cancer screening recommended? -
....ANSWER...annual screening with low-dose CT for
adults 55-80 who have a 30 pack year smoking history and
currently smoke or have quit within the past 15 years
What volume is normal in the pericardial sac? -
....ANSWER...50 ml
What are the symptoms and treatment of
organophosphate poisoning? - ....ANSWER...Symptoms:
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, AMS, diaphoresis, lacrimation, miosis, urination,
defecation, bradycardia and diffuse wheezing
Treatment: atropine to block muscarinic effects,
pralidoxime chloride reactivates the enzyme cholinesterase
(reversing muscle paralysis and CNS depression)
What do you use in cyanide poisoning? -
....ANSWER...sodium nitrite
What clinical features increase the likelihood of MI? -
....ANSWER...Radiation of pain to both arms, a third heart
sound, and hypotension
What is the most likely finding in lab on a person with
diarrhea - ....ANSWER...Metabolic acidosis as the stool
due to the loss of alkaline salts
A pregnant woman comes in with a soft 2/6 ejection
systolic murmur. When should you be concerned? -
....ANSWER...This is normal along with an S3. Do not be
concerned unless symptoms of HF develop. Diastolic
murmurs and S4 are abnormal however.
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