The parathyroid regulates what in the body?

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Question 1 of 5

The parathyroid regulates what in the body?

A. Calcium B. Sodium C. Electrolytes D. A and B

Correct Answer: A

Rationale: Parathyroid (A) controls calcium levels.

Question 2 of 5

Is it possible for cystic fibrosis to be cured through a lung transplant?

A. Yes, provided both lungs are transplanted B. Yes, but only one lung needs a transplant C. No, a transplant will not cure cystic fibrosis D. It depends on the patient's age

Correct Answer: C

Rationale: CF (C) is genetic; lung transplant treats symptoms, not the cure.

Question 3 of 5

A patient claims that he sat on a toilet seat previously used by an HIV patient. He says that he may have come into contact with the HIV patient's urine and is worried. What should the nurse tell him?

A. HIV cannot be transmitted through a toilet seat B. HIV cannot last long outside the patient's body C. HIV is not in the patient's urine D. The nurse should tell the patient all of the above

Correct Answer: D

Rationale: All (D) reassure: HIV isn’t transmitted via toilet seats, survives poorly outside, and isn’t in urine.

Question 4 of 5

When should a patient stop using warfarin?

A. When the patient feels excessively hungry B. When the patient's knees start aching C. When the patient becomes hyperfocused on his environment D. When the patient's gums start bleeding

Correct Answer: D

Rationale: Bleeding gums (D) signal excessive warfarin effect.

Question 5 of 5

A person who smokes has a blood pressure total of 135/80. What is the best course of action for this individual?

A. He or she should be advised to stop using tobacco B. He or she should be prescribed an inhaler C. He or she should have a heart exam D. He or she should be encouraged to stay hydrated

Correct Answer: A

Rationale: Stopping tobacco (A) reduces BP and cardiovascular risk.

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