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CCRN Test 03: Clinical Skills & Life Support

Q: Which antibiotic is given by mouth to kill gut bacteria because the body does not absorb it?

Neomycin stays in the gut. Doctors use it to clean the bowel before surgery.

Q: Which blood pressure drug blocks both alpha and beta receptors?

Labetalol works on two different nerve signals. This helps lower blood pressure quickly in an emergency.

Q: What can cause a sudden change in a patient's mental status?

Any of these issues can stop the brain from working right. A mental change is always a red flag.

Q: Which health problem is the biggest risk for Fournier gangrene (skin death)?

High blood sugar makes it hard for the body to fight germs. This allows fast-moving infections to start.

CCRN Test 03: Critical Interventions

This exam reviews blood pressure drugs, shock types, and legal duties.

Drug Safety: Digoxin toxicity can cause deadly heart rhythms. Watch for nausea and yellow vision as early signs.

Shock Priority: If a patient has low blood volume, give fluids like saline first. This is the fastest way to help.

Legal Duty: The doctor must explain surgery risks. The nurse only acts as a witness to the signature.

Edited by: Test-Questions.com

Last Updated: February 14, 2026

Q:1Which antibiotic is given by mouth to kill gut bacteria because the body does not absorb it?

Gentamicin

Amikacin

Streptomycin

Neomycin

Q:2Which blood pressure drug blocks both alpha and beta receptors?

Metoprolol

Reserpine

Labetalol

Prazosin

Q:3What can cause a sudden change in a patient's mental status?

A stroke

A bad infection

Shock with low blood flow to the brain

All of the above

Q:4Which health problem is the biggest risk for Fournier gangrene (skin death)?

Cancer

Poor diet

Uncontrolled diabetes

Alcohol use

Q:5What is the most dangerous result ... [Show Full Question 5]

Stomach pain

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Muscle pain

Seizures

Q:6Which heart rhythm should NOT be ... [Show Full Question 6]

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Fast heart rate with a pulse

Ventricular fibrillation

Unstable SVT

Q:7About what percentage of people in the ... [Show Full Question 7]

68%

75%

86%

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Q:8What is the first step to treat shock ... [Show Full Question 8]

Give blood right away

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Give heart-pumping drugs

Go to surgery

Q:9Which lab marker is most ... [Show Full Question 9]

Red blood cells

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Positive nitrites

Presence of casts

Q:10Which device gives the highest ... [Show Full Question 10]

Nasal prongs

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Venturi mask

Simple face mask

Q:11Who is at the highest risk for getting ... [Show Full Question 11]

Obese patients

Short patients

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Patients with a cast

Q:12Which of these is NOT used to calculate ... [Show Full Question 12]

Heart output (CO)

Vessel resistance (SVR)

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Vein pressure (CVP)

Q:13Which of these is an infection ... [Show Full Question 13]

Urethritis

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Prostatitis

Paraphimosis

Q:14What is the best way to track fluid levels ... [Show Full Question 14]

Heart rate

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Skin pinch test

Blood pressure

Q:15Why does a patient with heart pain (unstable ... [Show Full Question 15]

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To see how well the heart squeezes

To check the heart valves

To look for fluid around the heart

Q:16How does charcoal help after ... [Show Full Question 16]

It helps wash the stomach

It helps the body absorb medicine

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It makes the person vomit

Q:17Which drug should NOT be put down ... [Show Full Question 17]

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Epinephrine

Atropine

Lidocaine

Q:18Which is NOT a job for the nurse ... [Show Full Question 18]

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Watching the patient sign the form

Checking that the form is in the chart

Making sure the doctor answers questions

Q:19Which of these is NOT a major ... [Show Full Question 19]

Type 2 diabetes

Obesity

Smoking

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Q:20What is the most important care for ... [Show Full Question 20]

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Apply cream

Put a clear bandage on it

Give antibiotics

Test 03 Key Study Points

1. Labetalol This drug blocks both alpha and beta receptors. It lowers blood pressure fast without making the heart race.

2. Kidney Infections Pyelonephritis is an upper UTI that affects the kidneys. It is more serious than a bladder infection.

3. Oxygen Masks The non-rebreather mask (NRB) gives the highest oxygen. It can reach 90% or more when it fits tight.

4. Skin Health Patients who cannot move (paraplegia) have the highest risk for bedsores. Always turn them every 2 hours.

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