Internal Balance Test (Ch. 7/8) Flashcards
Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.
False
An increase in body temperature is detected by sensors in the brain. The brain sends a nerve message to the hypothalamus.
True
Kidney’s remove waste, balance blood pH, and maintain water balance.
True
Wastes are filtered from the blood by the kidneys and conducted to the urinary bladder by the urethra.
False
A cross section of the kidneys shows an outer layer called the medulla, an inner layer called the cortex, and a hollow chamber called the reneal pelvis.
False
Plasma proteins, red blood cells, and platelets are transferred to the Bowman’s capsule.
False
When a person sweats and does not drink water, the pituitary gland releases ADH.
True
Large amounts of hormone are required to cause change.
False
Insulin secretion must be decreased during times of stress to keep blood glucose level high.
True
Insulin is produced in a healthy person when blood sugar is low.
False
People with diabetes feel tired because of low levels o glucose in the blood.
False
Large levels of testosterone in the blood deactivate the hypothalamus, which in turn stops the production of leutinizing 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 the ability of a living organism to adjust to changing environmental conditions by regulating their internal processes is
homeostasis
