Chapter 74 Introduction to Endocrinology

Chapter 74  Introduction to Endocrinology

Complete Chapter Questions And Answers
 

Sample Questions

1. Some cells secrete chemicals into the extracellular fluid that act on cells in the same tissue. Which of the following refer to this type of regulation?
A. Neural
B. Endocrine
C. Neuroendocrine
D. Paracrine
E. Autocrine

ANS: D

2. If a radioimmunoassay is properly conducted and the amount of radioactive hormone bound to antibody is low, this would indicate which of the following?
A. Plasma levels of endogenous hormone are high
B. Plasma levels of endogenous hormone are low
C. More antibody is needed
D. Less radioactive hormone is needed

ANS: A

3. An example of neuroendocrine secretion is the release of which of the following?
A. Somatostatin
B. Cortisol
C. Growth hormone
D. Prolactin
E. ACTH

ANS: A

4. Which of the following is an example of paracrine hormonal regulation?
A. Corticotropin releasing hormone: ACTH secretion
B. ACTH: cortisol secretion
C. Somatostatin: growth hormone secretion
D. Somatostatin: glucagon secretion
E. TSH: T4 secretion

ANS: D

5. Which of the following hormones is largely unbound to plasma proteins?
A. Aldosterone
B. T4
C. Oxytocin
D. Estradiol
E. Progesterone

ANS: C