Endocrine System Test Flashcards
When a person sweats and does not drink water, the pituitary gland releases ADH.
True
People with diabetes feel tired because of low levels of glucose in the blood
False; low levels of insulin
Low levels of thyroxine in the blood is the only reason for weight gain.
False; it’s one of the reasons
Calcitonin and parathyroid hormone regulate calcium levels in the blood
True
Large levels of testosterone in the blood deactivate the hypothalamus, which in turn stops the production of luteinizing hormone (LH).
True
As follicles develop in the ovary, estrogen concentration in the blood decreases.
False; increases
A family doctor has a patient with the following symptoms; very high blood sugar levels; high sugar level in the urine; is very thirsty; produces large quantities of urine. Which condition should the doctor investigate?
Diabetes mellitus
The term used to describe that ability of a living organism to adjust to changing environmental conditions by regulating their internal processes is
Homeostasis
Which of the following statements about hormones is incorrect?
They are used to communicate between different individuals.
Steroid hormones exert their effect by…
a direct effect in the nucleus of the cell
Which of the following endocrine glands is a direct extension of the nervous system?
Posterior pituitary gland
The adrenal medulla secretes which of the following
epinephrine
In an emergency siruation
glycogen is converted to glucose
Anabolic steroids taken by an athlete will often cause which of the following?
facial hair growth in females, swollen feets and ankles, breast development in males
(all of the above)
Progesterone is produced primarily in which of the following?
Corpus Luteum
During the female reproductive cycle, LH peaks when which of these occurs?
Ovulation occurs
At puberty, which of the following occurs?
The hypothalamus begins secreting GnRH
Menstruation starts by which one of the following?
Lack of estrogen and progesterone due to degeneration of the corpus luteum
the growing follicle secretes which of the following hormone?
estrogen
As the environment changes, our bodies use the nervous and endocrine systems to compensate by a mechanism called ______
homeostasis
Hormones attach to specific cells by their ______
receptors
________ hormones attach to receptors within the cytoplasm
steroid
______ hormones attach to receptors on the cell membrane
protein
____________ is a condition where blood sugar level rises because of inadequate production of insulin after meals
Hyperglycemia
__________ Have muscle-building traits. They are used by weight lifters because of these traits.
anabolic steroids
