Test 3 Flashcards
(17 cards)
Which endocrine gland produces both inhibiting and stimulating hormones?
Hypothalamus
As blood passes through the vascular tree from the heart of the body, blood vessels thickness
Decreases
Which hormone increases in its concentration when the sun sets?
Melatonin
What makes up the greatest portion of plasma?
Water
Characteristics of hormones include all of the following except
They are secreted at a constant rate
Which endocrine gland is connected to the hypothalamus via specialized nerves?
Posterior pituitary
Functions of the respiratory system include all of the following except?
I take of CO2
Blood pressure is given as which of the following?
Systolic/diastolic
How many cell populations are the anterior pituitary hormones produced from?
5
Which portion of lipids found in the blood do we consider to be good cholesterol?
High density lipoprotein
Which cell population secretes the endocrine hormones of the pancreas?
Islets of langerhans
Heart sounds are associated with what action of the heart?
Closing of valves
Increased fat content is associated with an increase in which hormone
Leptin
Based on what you know about cardiac output and metabolic rate which animal would you guess has the highest resting heart rate?
Chicken
Primary site of gas exchange
Capillaries
What type of system is used when one hormone inhibits the release of another
Negative feedback
What is the primary role of the hypothalamus?
Regulate/ control the pituitary
