CNJNE IV Certification Exam - Questions With
Insightful Solutions
Electrolytes are:
A. non-ionic particles
B. charged particles in solutions
C. only in ICF
D. only in ECF Correct Answer - B. charged particles in
solutions
The principal cation of extracellular fluid, or that electrolyte in a
greater concentration intracellularly is:
A. sodium
B. potassium
C. chloride
D. magnesium Correct Answer - A. sodium
The principal cation of intracellular fluid, or that electrolyte in a
greater concentration extracellularly is:
A. sodium
B. potassium
C. chloride
D. magnesium Correct Answer - B. potassium
Osmosis
A. is the movement of water and dissolved substances through a
permeable membrane from an area of greater to lesser
concentration.
,B. is a carrier system for ions which involves an expenditure of
energy by the cell membrane.
C. is the movement of water across a semi-permeable membrane
from an area of greater solute concentration to an area of lower
solute concentration.
D. is the movement of water across a semi-permeable membrane
from an area of lesser solute concentration to an area of greater
solute concentration. Correct Answer - D. is the movement of
water across a semi-permeable membrane from an area of lesser
solute concentration to an area of greater solute concentration.
What effect will the infusion of a hypotonic solution have on the
RBCs? Correct Answer - The cells would swell.
Which of the following is/are TRUE regarding hypernatremic
dehydration?
A. an example is Diabetes Insipidus
B. water is pulled out of the cells due to hypertonic body fluids
C. skin and mucous membranes will be dry and appear
erythematous
D. all of the above Correct Answer - D. all of the above
A patient with short bowel syndrome and malabsorption complains
of numbness and tingling around the mouth, muscle tremors, and
emotional irritability. Trouseau's and Chvostek's signs are positive.
The electrolyte imbalance is:
A. hyponatremia
B. hyperkalemia
C. hypocalcemia
D. hypermagnesemia Correct Answer - C. hypocalcemia
, A patient who is dialysis dependent missed the last dialysis
treatment and is now complaining of diarrhea, muscle twitching,
numbness and tingling on the face, tongue, and hangs. The
significant other says the patient has also exhibited confusion. The
EKG shows wide QRS complexes with peaked T waves.
A. hyponatremia
B. hyperkalemia
C. hypocalcemia
D. hypermagnesemia Correct Answer - B. hyperkalemia
Hypomagnesemia is the most similar in symptoms to:
A. hyponatremia
B. hyperkalemia
C. hypocalcemia
D. mypermagnesemia Correct Answer - C. hypocalcemia
Phosphate has a reciprocal or inverse relationship with other
electrolyte?
A. calcium
B. sodium
C. magnesium
D. potassium Correct Answer - A. calcium
Which of the following statements is TRUE?
A. Normal Saline is a hypotonic solution used to replace sodium
chloride deficit
B. 0.45% Normal Saline is an isotonic solution used to replace
sodium
C. For general maintenance therapy, 1000mL of D5W should be
administered every 4 hours
Insightful Solutions
Electrolytes are:
A. non-ionic particles
B. charged particles in solutions
C. only in ICF
D. only in ECF Correct Answer - B. charged particles in
solutions
The principal cation of extracellular fluid, or that electrolyte in a
greater concentration intracellularly is:
A. sodium
B. potassium
C. chloride
D. magnesium Correct Answer - A. sodium
The principal cation of intracellular fluid, or that electrolyte in a
greater concentration extracellularly is:
A. sodium
B. potassium
C. chloride
D. magnesium Correct Answer - B. potassium
Osmosis
A. is the movement of water and dissolved substances through a
permeable membrane from an area of greater to lesser
concentration.
,B. is a carrier system for ions which involves an expenditure of
energy by the cell membrane.
C. is the movement of water across a semi-permeable membrane
from an area of greater solute concentration to an area of lower
solute concentration.
D. is the movement of water across a semi-permeable membrane
from an area of lesser solute concentration to an area of greater
solute concentration. Correct Answer - D. is the movement of
water across a semi-permeable membrane from an area of lesser
solute concentration to an area of greater solute concentration.
What effect will the infusion of a hypotonic solution have on the
RBCs? Correct Answer - The cells would swell.
Which of the following is/are TRUE regarding hypernatremic
dehydration?
A. an example is Diabetes Insipidus
B. water is pulled out of the cells due to hypertonic body fluids
C. skin and mucous membranes will be dry and appear
erythematous
D. all of the above Correct Answer - D. all of the above
A patient with short bowel syndrome and malabsorption complains
of numbness and tingling around the mouth, muscle tremors, and
emotional irritability. Trouseau's and Chvostek's signs are positive.
The electrolyte imbalance is:
A. hyponatremia
B. hyperkalemia
C. hypocalcemia
D. hypermagnesemia Correct Answer - C. hypocalcemia
, A patient who is dialysis dependent missed the last dialysis
treatment and is now complaining of diarrhea, muscle twitching,
numbness and tingling on the face, tongue, and hangs. The
significant other says the patient has also exhibited confusion. The
EKG shows wide QRS complexes with peaked T waves.
A. hyponatremia
B. hyperkalemia
C. hypocalcemia
D. hypermagnesemia Correct Answer - B. hyperkalemia
Hypomagnesemia is the most similar in symptoms to:
A. hyponatremia
B. hyperkalemia
C. hypocalcemia
D. mypermagnesemia Correct Answer - C. hypocalcemia
Phosphate has a reciprocal or inverse relationship with other
electrolyte?
A. calcium
B. sodium
C. magnesium
D. potassium Correct Answer - A. calcium
Which of the following statements is TRUE?
A. Normal Saline is a hypotonic solution used to replace sodium
chloride deficit
B. 0.45% Normal Saline is an isotonic solution used to replace
sodium
C. For general maintenance therapy, 1000mL of D5W should be
administered every 4 hours
