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Quiz: Endocrine System

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Lecture: Quiz & Exam
Alexandra Bozan
Quiz by Alexandra Bozan, updated more than 1 year ago
Alexandra Bozan
Created by Alexandra Bozan over 8 years ago
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Resource summary

Question 1

Question
All of the following are nonsteroid hormones except:
Answer
  • oxytocin
  • calcitonin
  • cortisol
  • glucagon

Question 2

Question
Which of the following is not a characteristic of the endocrine system?
Answer
  • Chemical messenger travels short distance.
  • Effector tissues include virtually all tissues.
  • Characteristics of regulatory effects are slow to appear and long-lasting.
  • Receptors are located on the plasma membrane or within the effector cell.

Question 3

Question
All of the following are true statements except:
Answer
  • there are at least 16 different prostaglandins
  • the first prostaglandin was identified in semen
  • aspirin produces some of its effects by increasing PGE synthesis
  • PGFs have been used to induce labor and accelerate the delivery of a baby

Question 4

Question
Endocrine glands may be made up of
Answer
  • glandular epithelium
  • neurosecretory tissue
  • ducts to collect interstitial fluid
  • both glandular epithelium and neurosecretory tissue

Question 5

Question
The many hormones secreted by endocrine tissues are structurally classified as
Answer
  • steroid or nonsteroid hormones
  • anabolic or catabolic hormones
  • sex or nonsex hormones
  • tropic or hypotropic hormones

Question 6

Question
Which of the following is a function of glucagon?
Answer
  • Promotes the entry of glucose into tissue cells
  • Tends to decrease blood glucose concentrations
  • Tends to increase blood glucose concentrations
  • Converts glucose into glycogen

Question 7

Question
Principal thyroid hormone.
Answer
  • T4
  • T3 (triiodothyronine)
  • thyroxine
  • T4 and thyroxine

Question 8

Question
The production of thyroid hormone is stimulated by another hormone from the:
Answer
  • anterior pituitary
  • posterior pituitary
  • thyroid gland.
  • parathyroid gland

Question 9

Question
The common molecule from which all steroid hormones are derived is
Answer
  • phospholipids
  • cholesterol
  • lecithin
  • triglycerols

Question 10

Question
The first step in the renin-angiotensin mechanism is:
Answer
  • angiotensin II circulates to the adrenal cortex, stimulating the secretion of aldosterone
  • renin causes angiotensinogen to be converted to angiotensin I
  • the juxtaglomerular apparatus secretes renin into the blood in response to a fall in the blood pressure within the kidney
  • aldosterone causes increased reabsorption of sodium, which causes increased water retention

Question 11

Question
Which of the following glands is not regulated by the pituitary:
Answer
  • Thyroid
  • Ovaries
  • Adrenals
  • Thymus

Question 12

Question
In comparison with the nervous system, the regulatory effects of the endocrine system are [blank_start]slow[blank_end] to appear, but [blank_start]long[blank_end] lasting
Answer
  • slow
  • long

Question 13

Question
The vascular link between the hypothalamus and adenohypophysis is called the:
Answer
  • hypophyseal portal system
  • hepatic portal system
  • releasing hormone portal system
  • both hypophyseal portal system and releasing hormone portal system

Question 14

Question
The substance that acts as a second messenger at the cellular level is:
Answer
  • cyclic AMP
  • mRNA
  • ATP
  • GTP

Question 15

Question
Which of the following hormones is not secreted by the adrenal medulla:
Answer
  • epinephrine
  • norepinephrine
  • adrenaline
  • all are secreted by adrenal medulla

Question 16

Question
[blank_start]Tropic[blank_end] [blank_start]hormones[blank_end] target other endocrine glands and stimulate their growth and secretion
Answer
  • Tropic
  • hormones

Question 17

Question
When a small amount of one hormone allows a second hormone to have its full effect, the phenomenon is called:
Answer
  • synergism
  • permissiveness
  • antagonism
  • combination

Question 18

Question
[blank_start]Calcitonin[blank_end] has the opposite effect of parathyroid hormone
Answer
  • Calcitonin

Question 19

Question
[blank_start]Prolactin[blank_end] affects milk secretion
Answer
  • Prolactin

Question 20

Question
[blank_start]PGE[blank_end] is a Prostaglandin that plays a role in the development of a fever:
Answer
  • PGE

Question 21

Question
[blank_start]Oxytocin[blank_end] is the hormone that causes ejection of milk into the mammary ducts.
Answer
  • Oxytocin

Question 22

Question
Prolactin is not a tropic hormone?
Answer
  • True
  • False

Question 23

Question
Is Steroid a structural classification of hormones?
Answer
  • True
  • False
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