Internal Balance Test (Ch. 7/8) Flashcards Preview

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Flashcards in Internal Balance Test (Ch. 7/8) Deck (16)
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1

Contractions that increase in strength during pregnancy are an example of a negative feedback mechanism.

False

2

An increase in body temperature is detected by sensors in the brain. The brain sends a nerve message to the hypothalamus.

True

3

Kidney's remove waste, balance blood pH, and maintain water balance.

True

4

Wastes are filtered from the blood by the kidneys and conducted to the urinary bladder by the urethra.

False

5

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

6

Plasma proteins, red blood cells, and platelets are transferred to the Bowman's capsule.

False

7

When a person sweats and does not drink water, the pituitary gland releases ADH.

True

8

Large amounts of hormone are required to cause change.

False

9

Insulin secretion must be decreased during times of stress to keep blood glucose level high.

True

10

Insulin is produced in a healthy person when blood sugar is low.

False

11

People with diabetes feel tired because of low levels o glucose in the blood.

False

12

Large levels of testosterone in the blood deactivate the hypothalamus, which in turn stops the production of leutinizing hormone (LH).

True

13

As follicles develop in the ovary, estrogen concentration in the blood decreases.

False (increases)

14

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

15

The term used to describe the ability of a living organism to adjust to changing environmental conditions by regulating their internal processes is

homeostasis

16

Which of the following analogies would best fit the action of the kidneys?

removing all the items and returning what is still useful.