wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

IB Biology Liver Functions & Jaundice

Total questions: 16

Worksheet time: 12mins

Name
Class
Date
1.

Which of the following are functions of the liver?


I. production of cholesterol

II. converting cholesterol to bile salts

III. producing red blood cells

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

2.

Which organelle in a hepatocyte produces plasma proteins?

a)

Golgi apparatus

b)

free ribosome

c)

rough endoplasmic reticulum

d)

nucleus

3.

What is the role of Golgi apparatus in hepatocytes?

a)

produces plasma proteins for use within the cell

b)

produces plasma proteins to be exported out of the cell

c)

packages and modifies plasma proteins

d)

breaks down vesicles

4.

Which toxic substances are broken down by the liver?


I. carbon dioxide

II. excess amino acids

III. lactate

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

5.

Which of the following are true of Kupffer cells?


I. they are phagocytes

II. they develop into red blood cells

III. they are in the walls of sinusoids

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

6.

Which of the following is true of hemoglobin?

a)

it contains four amino acids

b)

it contains iron

c)

it can only combine with oxygen

d)

it is only found in humans

7.

Which of the following is true about the breakdown of red blood cells?

a)

It is split into heme groups and immunoglobulins (antibodies)

b)

Globins undergo condensation reactions to produce amino acids

c)

Iron is added to globins to produce amino acids

d)

Iron is removed from heme groups to form bilirubin

8.

After the breakdown of red blood cells, to where is iron carried to produce new red blood cells?

a)

lungs

b)

stomach

c)

kidney

d)

bone marrow

9.

After breaking down red blood cells, what happens to iron, bilirubin and amino acids?

a)

they are released into the blood

b)

they are stored in the liver

c)

they are excreted in urine

d)

they are egested in faeces

10.

Which of the following are breakdown products of red blood cells?


I. bilirubin

II. iron

III. amino acids

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

11.

If the blood glucose level is too high, how will the liver respond?

a)

it will produce insulin and convert glucose to glycogen

b)

it will produce glucagon and convert glycogen to glucose

c)

it will convert glucose to glycogen and store this in hepatocytes

d)

it will convert glycogen to glucose and release this into the blood

12.

Which of the following can directly cause jaundice?

a)

excess hemoglobin being released into the blood

b)

insufficient hemoglobin being released into the blood

c)

excess bilirubin being released into the blood

d)

insufficient bilirubin being released into the blood

13.

Which of the following are true of jaundice?


I. It can be a symptom of hepatitis

II. It can be a symptom of having gallstones

III. It is usually more severe in adults than in infants

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

14.

Which of the following can be made from cholesterol?


I. bile salts

II. steroid hormones

IIII. plasma membranes

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

15.

Which of the following show(s) how HDL are different to LDLs?


I. HDLs raise the blood cholesterol level

II. LDLs are small spheres coated in phospholipid

III. LDLs carry cholesterol from the liver to body tissues

a)

I only

b)

III only

c)

I and III only

d)

I, II and III

16.

Lipoproteins are small spheres of phospholipid.


What chemicals are phospholipids made from?


I. amino acids

II. glycerol

III. phosphate

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III