wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Electrolytes HY #3

Total questions: 22

Worksheet time: 13mins

Name
Class
Date
1.

Which of the following is not a role for calcium?

a)

Bone and tooth metabolism

b)

Collagen formation

c)

Platelet aggregation

d)

Regulation of pancreatic insulin release

2.

You receive the labs for a patient and see that their sodium is 115 mEq/L, and glucose is 340 mg/dL. What is the estimation of this patient's true sodium concentration?

a)

110 mEq/L

b)

120 mEq/L

c)

130 mEq/L

d)

140 mEq/L

3.

Which of the following can be observed in a patient presenting with hypokalemia?

a)

Myalgia

b)

Hyperreflexia

c)

Peaking of T waves

d)

Tetany

4.

You have a patient with impaired renal function, and you want to assess their electrolyte status based on today's labs. What potassium level generally denotes a patient who has hyperkalemia?

a)

>2.5 mEq/L

b)

>3.5 mEq/L

c)

>4.5 mEq/L

d)

>5.5 mEq/L

5.

Which of the following can cause hypokalemia? (Select ALL that apply.)

a)

Albuterol

b)

Stable Type 2 Diabetes

c)

Extensive 2nd or 3rd degree burns

d)

Losartan

6.

Which of the following is not a common etiology for the development of hypocalcemia?

a)

Diminished intake

b)

Hypoparathyroidism

c)

Multiple myeloma

d)

Vitamin D deficiency

7.

A patient presents with euvolemic hyponatremia from the syndrome of inappropriate antidiuretic hormone secretion (SIADH). Which class of medications can cause SIADH? (Select ALL that apply.)

a)

Aminoglycosides

b)

Angiotensin receptor blockers

c)

Narcotics

d)

Selective serotonin reuptake inhibitors

8.

Which of the following can cause hypernatremia? (Select ALL that apply.)

a)

Adrenal gland impairment

b)

excessive perspiration

c)

prolonged vomiting

d)

severe burns

9.

Which of the following signs and symptoms could be seen in a pregnant patient receiving high-dose magnesium sulfate for preeclampsia with severe features experiencing hypermagnesemia? (Select ALL that apply.)

a)

Changes in cardiac condition

b)

Decreased reflexes

c)

Tachycardia

d)

Mental status changes

10.

A patient presents with hyperkalemia and is found to have a classic widening QRS and peaked T-waves on his 12-lead ECG. The clinician prescribes calcium gluconate. Which of the following most accurately describes the mechanism of action of calcium gluconate?

a)

Activate Na+/K+ ATPase pump

b)

Causes exchange of H+ for K+

c)

Exchanges Na+ for K+ in the large intestine

d)

Stabilize the cardiac membrane

11.

Which of the following electrolytes has a normal range of 135-145 mEq/L in the serum?

a)

Calcium

b)

Magnesium

c)

Potassium

d)

Sodium

12.

Where in the nephron is the last chance to concentrate the urine and increase free water absorption?

a)

Collecting duct

b)

Distal convoluted tubule

c)

Proximal renal tubule

d)

Thick ascending limb

13.

Which of the following medications is most likely to cause SIADH (syndrome of inappropriate antidiuretic hormone) leading to euvolemic hyponatremia?

a)

cyclophosphamide

b)

fluvoxamine

c)

cidofovir

d)

venlafaxine

14.

Which of the following is a common symptom of hypokalemia?

a)

Hypertension

b)

Increased insulin release

c)

Increased reflexes

d)

Skeletal muscle weakness

15.

Which of the following electrolytes should be administered via a central line?

a)

Calcium chloride

b)

Calcium cluconate

c)

Potassium

d)

Sodium

16.

Why is hyperkalemia common in patients with chronic kidney disease (CKD)?

a)

Decreased aldosterone activity

b)

Decreased renin release

c)

Impaired potassium excretion

d)

Increased muscle contraction

17.

You are seeing a 32-year-old female whom you were told had finished a marathon and was reported to be behaving normally at the finish but became lost in the crowd, with family unable to find her until 2 hours later when she was found lost, altered, confused, and agitated. Which of the following is highest on the differential diagnosis?

a)

Hyponatremia

b)

Hypernatremia

c)

Hypokalemia

d)

Rhabdomyolysis

18.

Euvolemic hyponatremia is commonly seen in which of the following medical conditions? (Select ALL that apply.)

a)

Chronic kidney disease

b)

Heart failure

c)

Hypothyroidism

d)

Syndrome of inappropriate antidiuretic hormone secretion (SIADH)

19.

A patient who is being treated for Addison's disease presents to the pharmacy with a prescription for prednisone. Which of the following is NOT important patient counseling information?

a)

Adverse effects of prednisone

b)

Consequences of missing doses of prednisone

c)

Expected outcome of treatment

d)

Required laboratory test to determine appropriate dosing

20.

Which best reflects the definition of homeostasis?

a)

A solute passes through a membrane, leaving a solution of higher concentration to a solution of higher concentration, thereby balancing the solutes on either side of the membrane.

b)

Ions and molecules in a solution spread out for uniform distribution

c)

The body maintains a balance of fluid to molecules, including electrolytes

d)

A liquid or gas passes through a membrane by forces of pressure

21.

A patient presents with a potassium level of 2.2 mEq/L and U waves on his ECG. Which route of administration for potassium replacement is most appropriate for this patient?

a)

Intramuscularly

b)

Intravenously over an hour

c)

Intravenously over five minutes

d)

Orally

22.

A 53-year-old female was sent over by her primary care physician due to an electrolyte abnormality. Upon initial assessment and history, it is discovered that the patient has end stage renal disease, is on hemodialysis three times per week, and has missed the last two weeks. She is awake, alert, and oriented, with normal vital signs and a bedside glucose measurement of 474 mg/dL. Initial chemistry reports the following results: Na 132 mmol/L, K 7.1 mmol/L, CO2 23 mmol/L, Cl 108 mmol/L, BUN 25 mg/dL Scr 11.2 mg/dL, Glucose 525 mg/dL. The current 12-lead ECG shows some widening of the QRS complex. Which of the following is the most appropriate? (Select all that apply)

a)

Calcium gluconate IV 3 g

b)

Dextrose 10% water IV 250 mL

c)

Insulin regular IV 5 units

d)

Furosemide IV 40 mg