Hormones

Question 1

Homeostasis is

Answer 1

The control of internal body conditions and maintaining them at constant

Question 2

Hormones are transported throughout the body by

Answer 2

Blood PLASMA— liquid part of blood

Question 3

Blood glucose concentration is decreased by

Answer 3

Insulin released from pancreas causes:
-cells absorb
-and glucose converted to glycogen in liver and muscle

Question 4

Blood glucose concentration is increased by

Answer 4

Glucagon produced by pancreas
-converts glycogen back to glucose

Question 5

The cause of Type 1 Diabetes is

Answer 5

Pancreas cannot produce insulin

Question 6

The cause of Type 2 Diabetes is

Answer 6

Pancreas does not produce enough insulin or cells Become resistant to insulin

Question 7

When studying people in a Type 2 Diabetes study, the control variables would be

Answer 7

BMI
-age
-gender
-diet

Question 8

Controlling your diet can help to treat Type 2 Diabetes by

Answer 8

-reduce carbohydrate levels
-ensure blood glucose levels don’t rise to high
-allow the body to produce more insulin

Question 9

To calculate BMI you use the equation

Answer 9

BMI=height(2)cm/mass kg

Question 10

On days 1-5 of the Menstrual Cycle

Answer 10

The uterus lining is shed

Question 11

On days 1-14 of the Menstrual Cycle

Answer 11

The uterus lining thickens and oestrogen levels rise
Egg matures

Question 12

On day 14 of the Menstrual Cycle

Answer 12

Ovulation the release of an egg

Question 13

After day 14 of the Menstrual Cycle

Answer 13

I’d egg is fertilised-implant in uterus lining
Progesterone rise to maintain uterus lining

Question 14

If the egg is not fertilised

Answer 14

If not fertilised progesterone levels fall
The uterus lining breaks down
Egg DIES

Question 15

Oestrogen causes

Answer 15

Causes the uterus lining to thicken +causes realise of LH which trigger’s ovulation

Question 16

FSH causes

Answer 16

Causes the egg to mautue

Question 17

Ovulation can be prevented by

Answer 17

Ovulation can be prevented by combining the hormones estrogen and progestin to prevent ovulation

Question 18

Disadvantages of treating infertility using hormones are

Answer 18

Possibly of multiple births and side effects and defects

Question 19

The male and female sex chromosomes are

Answer 19

Male=XY
Female=XX

Question 20

Negative Feedback is

Answer 20

A negative feedback control system responds when conditions change from the ideal or set point and returns conditions to this set point.

Question 21

Metabolism is

Answer 21

the chemical reactions in the body’s cells that change food into energy.

Question 22

If thyroxine levels decrease

Answer 22

can cause high cholesterol and atherosclerosis (clogging of the arteries), which can potentially lead to serious heart-related problems, such as angina and heart attack.

Question 23

If thyroxine levels increase

Answer 23

such as weight loss, hand tremors, and rapid or irregular heartbeat

Question 24

Release of adrenaline causes

Answer 24

Adrenaline, also called epinephrine, helps your body react more quickly to a threat. It makes the heart beat faster, increases blood flow to the brain and muscles, and stimulates the body to make sugar to use for fuel. When adrenaline is released suddenly, it’s often referred to as an adrenaline rush