Question 1

Aspirin interferes with the synthesis of which molecule?

Accepted Answer

A)  leptin
B)  growth factors
C)  prostaglandins
D)  melatonin
E)  thymosinsF) A) and B)
G) A) and C)

Question 2

A simple goiter can be prevented by

Accepted Answer

A)  surgery to remove the thyroid gland.
B)  removal of the pituitary.
C)  administration of ACTH.
D)  administration of insulin.
E)  increasing intake of iodine in the diet.F) A) and C)
G) B) and D)

Question 3

List the hormones produced by the adrenal medulla and give a function of each.

Accepted Answer

Epinephrine and norepinephrine are produced by the adrenal medulla.Both bring about rapid changes that occur when an individual reacts to an emergency situation in a fight-or-flight manner.They provide a short-term response to stress.

Question 4

Which of the following endocrine glands does NOT produce its own hormones,but stores hormones produced by the hypothalamus?

Accepted Answer

A)  thyroid
B)  adrenal cortex
C)  adrenal medulla
D)  posterior pituitary
E)  anterior pituitaryF) B) and E)
G) A) and C)

Question 5

When Rebekah went in to deliver her first child,her labor did not progress.The doctors gave her a hormone to speed the birthing process.Which hormone did they give her?

Accepted Answer

A)  oxytocin
B)  prolactin
C)  ADH
D)  HGH
E)  epinephrineF) All of the above
G) A) and E)

Question 6

If a chemical agent acted to make the nuclear envelope pores impermeable to the passage of hormones,what effect would it have?

Accepted Answer

A)  Neither steroid nor peptide hormones would be effective.
B)  Steroid hormones would continue to be effective but peptide hormones would be ineffective.
C)  Peptide hormones would continue to be effective but steroid hormones would be ineffective.
D)  Both steroid and peptide hormones would continue to be effective.
E)  It would depend on the cell being affected.F) A) and B)
G) C) and D) C

Question 7

We purchase and consume iodized salt because the thyroid needs iodine and the lack of iodine interferes with thyroid function.

Accepted Answer

A) True 
 B)False

Question 8

The sex hormones produced by the gonads will create negative feedback and regulate the production of hormones from the anterior pituitary.

Accepted Answer

A) True 
 B)False

Question 9

Which is NOT a correct association for hormonal disorders?

Accepted Answer

A)  acromegaly-overproduction of GH in adult
B)  pituitary dwarf-too little GH produced during childhood
C)  Cushing syndrome-oversecretion of ACTH due to an adrenal cortex tumor
D)  diabetes-either the pancreas produces too much insulin or liver and muscle cells have too many receptors
E)  goiter-thyroid is unable to produce thyroxine due to too little iodine in dietF) A) and B)
G) A) and C) D

Question 10

When Lauren reached the age of puberty,she did not undergo the expected changes.Today,at 17,she has still not undergone puberty.What endocrine gland could be the issue?

Accepted Answer

A)  posterior pituitary
B)  parathyroid
C)  thymus
D)  pancreas
E)  adrenal cortexF) B) and C)
G) B) and D)

Question 11

Melanocyte-stimulating hormone

Accepted Answer

A)  causes the mammary glands in the breasts to develop and produce milk.
B)  is a major regulator of daily cycles and timing of puberty.
C)  is in relatively high concentration in most humans.
D)  causes dramatic skin color changes in some fish,amphibians,and reptiles.
E)  is responsible for sleep and wake cycles.F) B) and E)
G) A) and E)

Question 12

Which of the following is not an effect of insulin?

Accepted Answer

A)  The small intestine decreases the absorption of nutrients from the digestive tract.
B)  The liver stores glucose from the blood as glycogen.
C)  Muscle cells store glycogen and build protein.
D)  Adipose tissue uses glucose from blood to form fat.
E)  The glucose level drops.F) C) and D)
G) A) and B)

Question 13

Which hormone stimulates the rate at which amino acids enter the cell,increasing protein synthesis?

Accepted Answer

A)  oxytocin
B)  melanocyte-stimulating hormone
C)  anti-diuretic hormone
D)  growth hormone
E)  gonadotropic hormoneF) A) and B)
G) B) and E)

Question 14

Which is NOT a correct consequence of surgical removal of portions of these glands?

Accepted Answer

A)  adrenal cortex-bronzing of skin,no increase in blood glucose levels in response to stress,dehydration and death
B)  pineal gland-decrease in T cell immune function
C)  parathyroid glands-drop in blood calcium level and tetany (muscles shake) 
D)  ovaries-alteration in menstrual cycle and change in secondary sex characteristics
E)  adult thyroid-low pulse rate and body temperature and lethargyF) B) and E)
G) C) and D)

Question 15

Which disease results when the adrenal cortex produces too much hormone?

Accepted Answer

A)  diabetes insipidus
B)  diabetes mellitus
C)  Cushing syndrome
D)  Addison disease
E)  myxedemaF) B) and D)
G) A) and B)

Question 16

Older people tend to be more susceptible to infections because their immune systems get weaker.Which gland decreases in size as we age and could be responsible for this?

Accepted Answer

A)  thymus
B)  thyroid
C)  parathyroid
D)  pancreas
E)  testes in male; ovaries in femalesF) C) and E)
G) A) and C)

Question 17

What is an endocrine function of the pancreas?

Accepted Answer

A)  The pancreas secretes glucagon that stimulates the liver to break down glycogen to glucose.
B)  The pancreas secretes glucagon that stimulates the liver to break down glucose into glycogen.
C)  The pancreas secretes digestive juices into the small intestine.
D)  The pancreas secretes digestive juices into the stomach.
E)  The pancreas secretes digestive juices into the large intestine.F) A) and E)
G) None of the above

Question 18

Which body system coordinates activities of body parts by releasing hormones into the blood?

Accepted Answer

A)  nervous system
B)  digestive system
C)  respiratory system
D)  circulatory system
E)  endocrine systemF) A) and B)
G) B) and E)

Question 19

Which hormone will decrease blood glucose levels?

Accepted Answer

A)  thyroxin
B)  aldosterone
C)  cortisol
D)  insulin
E)  glucagonsF) A) and B)
G) All of the above

Question 20

Which of the following is not an endocrine gland?

Accepted Answer

A)  hypothalamus
B)  salivary glands
C)  pituitary
D)  thyroid
E)  adrenal cortexF) A) and C)
G) A) and E)

Exam 20: Endocrine System

Aspirin interferes with the synthesis of which molecule?

Correct AnswerverifiedShow Answer

A simple goiter can be prevented by

Correct AnswerverifiedShow Answer

List the hormones produced by the adrenal medulla and give a function of each.

Correct AnswerverifiedEpinephrine and norepinephrine are produced by the adrenal medulla.Both bring about rapid changes that occur when an individual reacts to an emergency situation in a fight-or-flight manner.They provide a short-term response to stress.

Which of the following endocrine glands does NOT produce its own hormones,but stores hormones produced by the hypothalamus?

Correct AnswerverifiedShow Answer

When Rebekah went in to deliver her first child,her labor did not progress.The doctors gave her a hormone to speed the birthing process.Which hormone did they give her?

Correct AnswerverifiedShow Answer

If a chemical agent acted to make the nuclear envelope pores impermeable to the passage of hormones,what effect would it have?

Correct AnswerverifiedC

We purchase and consume iodized salt because the thyroid needs iodine and the lack of iodine interferes with thyroid function.

Correct AnswerverifiedShow Answer

The sex hormones produced by the gonads will create negative feedback and regulate the production of hormones from the anterior pituitary.

Correct AnswerverifiedShow Answer

Which is NOT a correct association for hormonal disorders?

Correct AnswerverifiedD

When Lauren reached the age of puberty,she did not undergo the expected changes.Today,at 17,she has still not undergone puberty.What endocrine gland could be the issue?

Correct AnswerverifiedShow Answer

Melanocyte-stimulating hormone

Correct AnswerverifiedShow Answer

Which of the following is not an effect of insulin?

Correct AnswerverifiedShow Answer

Which hormone stimulates the rate at which amino acids enter the cell,increasing protein synthesis?

Correct AnswerverifiedShow Answer

Which is NOT a correct consequence of surgical removal of portions of these glands?

Correct AnswerverifiedShow Answer

Which disease results when the adrenal cortex produces too much hormone?

Correct AnswerverifiedShow Answer

Older people tend to be more susceptible to infections because their immune systems get weaker.Which gland decreases in size as we age and could be responsible for this?

Correct AnswerverifiedShow Answer

What is an endocrine function of the pancreas?

Correct AnswerverifiedShow Answer

Which body system coordinates activities of body parts by releasing hormones into the blood?

Correct AnswerverifiedShow Answer

Which hormone will decrease blood glucose levels?

Correct AnswerverifiedShow Answer

Which of the following is not an endocrine gland?

Correct AnswerverifiedShow Answer

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Epinephrine and norepinephrine are produced by the adrenal medulla.Both bring about rapid changes that occur when an individual reacts to an emergency situation in a fight-or-flight manner.They provide a short-term response to stress.

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D

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