Saliva

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Gastrointestinal System Nursing Exam Questions Questions

Question 1 of 5

Saliva

A. rich in amylase comes primarily from the parotid and submandibular glands. B. helps moisten food so that it can be swallowed. C. contains primarily water. D. all of these are correct.

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

Which of the following tests would be considered the gold standard for the diagnosis of pulmonary embolism?

A. Arterial blood gas (ABG) B. Pulmonary angiogram C. D-dimer test D. Pulmonary arteriogram

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

Which of the following best describes a risk factor for a life-threatening episode of asthma?

A. A blood partial carbon dioxide pressure (PaCO2) <4.2 kPa B. A blood partial oxygen pressure (PaO2) >8.0 kPa C. A peak expiratory flow rate (PEFR) <33% of best or predicted PEFR D. A respiratory rate >20 breaths/minute

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

Which of the following most correctly describes the actions of insulin?

A. Insulin stimulates cellular potassium uptake, inhibits adipocyte lipolysis and inhibits protein breakdown in peripheral tissues B. Insulin stimulates hepatic gluconeogenesis, glucose uptake in peripheral tissues and adipocyte lipolysis C. Insulin stimulates hepatic glycogen synthesis, glucose uptake in peripheral tissues and adipocyte lipolysis D. Insulin stimulates hepatic glycogen synthesis, glucose uptake in peripheral tissues and stimulates adipocyte lipolysis

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

An 80-year-old woman with background history of Type 2 Diabetes, hypertension and mild renal impairment is admitted with symptoms of haemoptysis and pleuritic chest pain. She is suspected to have a pulmonary embolism and a CT pulmonary angiogram is booked. She normally takes Metformin 500 mg TDS. What advice would you give her regarding metformin?

A. Patients on metformin should not undergo I.V contrast examinations irrespective of the renal function and should be considered for alternate investigations B. Suspend metformin for 48 hours before and for 48 hours after the test and start at a lower dose if renal function has returned to the baseline C. Suspend metformin for 48 hours prior to the test and restart immediately after if the renal function is returned to baseline D. Suspend metformin immediately after the test for 48 hours and restart if renal function has returned to baseline

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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