CHAPTER 13: HOMEOSTASIS & URINARY SYSTEM

Which of the following is true when the osmotic pressure in the blood decrease?

• Secretion of ADH increase, Reabsorption of water in kidney tubules increase

• Secretion of ADH decrease, Reabsorption of water in kidney tubules decrease

• Secretion of ADH decrease, Reabsorption of water in kidney tubules increase

• Secretion of ADH increase, Reabsorption of water in kidney tubules decrease

Diagram below shows the structure of a nephron. Which of the following activities causes X to be more permeable to water?

• Not exercising

• Eating salty food

• Watching television

• Drinking a lot of water

Which of the following receptors is involves in detecting blood sugar level?

• Osmoreceptors

• Chemoreceptors

• Baroreceptors

• Thermoreceptors

Diagram below shows a structure of a nephron. Which of the following labelled structures A, B, C or D is where the ultrafiltration process occur?

• A

• B

• C

• D

"Alicia attended her friend’s birthday party. She consumed three cupcakes, a lollipop, sweets and carbonated drinks".

Which of the following happens in her body corrective mechanisms to control her blood sugar level?

• The breakdown of glycogen to glucose by liver

• Islet cells in pancreas are stimulated to secrete glucagon.

• The conversion of excess glucose in liver and muscle cells.

• Lipid in the adipose tissues break down to release fatty acids that can be metabolized to generate energy.

Diagram shows a structure of nephron. Name the hormone that react at X when a student takes a lot of juicy fruits.

• Aldosterone

• ADH

• Thyroxine

• Adrenaline

In which part of the kidney that the loop of Henle is located?

• medulla

• cortex

• pelvis

• nephron

Which of the followings is not a function of kidneys?

• Excrete urea, uric acid, ammonia and creatinine through urine

• Regulate water and salts in the body

• Withdrawal of hand from a hot object

• Regulate the concentration of ions in the body

Which of the followings is not the process of urine formation?

• Reabsorption

• Secretion

• Excretion

• Ultrafiltration

Blood osmotic pressure decreases when an individual......

• Drink too little water

• Drink a lot of water

• do vigorous activity

• Eat too much salty food