Endocrinology Quiz: Hormones and Hypothalamus

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Which of the following is false about hormones?

They are transported by protein (correct)

They are elaborated by specific ductless gland

They are directly poured into the circulation

They are chemical messengers and produce biochemical changes of target organs

Which hormone is not produced by the hypothalamus?

GnRH

CRF

ACTH (correct)

TRH

Vasopressin and oxytocin are elaborated by which gland?

Posterior pituitary gland (correct)

Anterior pituitary gland

Adrenal medulla

Adrenal cortex

Which of the following is a thyroid hormone?

Calcitonin Signup and view all the answers

Which one of these is a steroid hormone?

TSH Signup and view all the answers

What is the effect of a 1°C increase in temperature on pO2 and pCO2 in a patient with fever?

pO2 decreases by 7%; pCO2 increases by 3% Signup and view all the answers

How does plasma protein interference affect the measurement of samples in clinical chemistry?

It affects diffusion rate of the samples Signup and view all the answers

What effect does bacterial contamination have on the measurement of PO2 in a sample?

It causes low PO2 due to oxygen consumption Signup and view all the answers

Why is transportation of samples at room temperature preferred for PO2 analysis?

PO2 changes rapidly at low temperatures Signup and view all the answers

What happens to arterial blood when exposed to room air?

pO2 increases; pCO2 decreases Signup and view all the answers

What is the effect of bacterial contamination on the measurement of pO2 in a blood sample?

Decreased pO2 due to oxygen consumption by bacteria Signup and view all the answers

How does plasma protein interference affect the measurement of samples in clinical chemistry?

Affects diffusion rate of samples Signup and view all the answers

What is the normal ratio of carbonic acid to bicarbonate in arterial blood?

1:20 Signup and view all the answers

When arterial blood from a normal patient is exposed to room air, what happens to pO2 and pCO2?

pO2 increases; pCO2 decreases Signup and view all the answers

In a patient with arterial blood gas results showing pH 7.48, pCO2 54 mmHg, and HCO3- 38 mmol/L, what do these values indicate?

Metabolic alkalosis Signup and view all the answers

Endocrinology Quiz: Hormones and Hypothalamus

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Questions and Answers

Which of the following is false about hormones?

Which hormone is not produced by the hypothalamus?

Vasopressin and oxytocin are elaborated by which gland?

Which of the following is a thyroid hormone?

Which one of these is a steroid hormone?

What is the effect of a 1°C increase in temperature on pO2 and pCO2 in a patient with fever?

How does plasma protein interference affect the measurement of samples in clinical chemistry?

What effect does bacterial contamination have on the measurement of PO2 in a sample?

Why is transportation of samples at room temperature preferred for PO2 analysis?

What happens to arterial blood when exposed to room air?

What is the effect of bacterial contamination on the measurement of pO2 in a blood sample?

How does plasma protein interference affect the measurement of samples in clinical chemistry?

What is the normal ratio of carbonic acid to bicarbonate in arterial blood?

When arterial blood from a normal patient is exposed to room air, what happens to pO2 and pCO2?

In a patient with arterial blood gas results showing pH 7.48, pCO2 54 mmHg, and HCO3- 38 mmol/L, what do these values indicate?

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