Random Questions

Question 1

What is the correct sequence of the layers of the gastrointestinal tract?

Answer 1

Mucosa, submucosa, muscularis, and serosa

Question 2

What are the contents of saliva?

Answer 2

Lysozyme, mucus and water.

Question 3

What are proteins absorbed as in the digestive tract?

Answer 3

Amino acids

Question 4

Blood flows from the gastrointestinal tract to the liver via the…?

Answer 4

Hepatic portal vein.

Question 5

Where does bile from the liver and gallbladder empty into?

Answer 5

Duodenum

Question 6

What part of the gastrointestinal tract has the greatest absorption ?

Answer 6

Small intestine

Question 7

Where are steroids synthesised from?

Answer 7

Cholesterol

Question 8

Which lipoprotein transports cholesterol to he peripheral tissue?

Answer 8

Low density lipoprotein.

Question 9

What molecules are digested by pancreatic lipase?

Answer 9

Lipids

Question 10

What is folic acid required for?

Answer 10

Synthesis of DNA and RNA.

Question 11

What does the body use vitamin K for?

Answer 11

Synthesis of clotting factors

Question 12

In what order does chyme move through the large intestine?

Answer 12

Ascending colon, transverse colon, depending colon, sigmoid colon, rectum, and anus.

Question 13

Where is the pyloric sphincter located?

Answer 13

In the stomach and duodenum.

Question 14

What are ligament joints?

Answer 14

Bone to bone

Question 15

What type of bone is the occipital bone?

Answer 15

Flat bone

Question 16

What type of drug is able to pass through the blood brain barrier?

Answer 16

Lipid-soluble drugs

Question 17

The bone cell which maintains the bone matrix is the…?

Answer 17

Osteocytes

Question 18

Compact bone consist of weight-bearing pillars called…?

Answer 18

Osteons

Question 19

Activated T cells …?

Answer 19

Destroy cells the harbour viruses

Question 20

Cancer cells that harbour viruses or bacteria are destroyed by…?

Answer 20

T cells

Question 21

What are the functions of the gallbladder?

Answer 21

Stores and concentrates bile

Question 22

What is mass peristalsis?

Answer 22

Strong peristaltic waves beginning in the mid transverse colon to quickly move the contents towards the rectum.

Question 23

What is the stimulus for mass peristalsis?

Answer 23

The presence of food in the stomach

Question 24

What is pharmacokinetics?

Answer 24

What the body does to the drug.

Question 25

What are three age related changes to the joints?

Answer 25

1. Decreased production of synovial fluid
2. Thinning of the articular cartilage
3. Loss of ligament length and flexibility

Question 26

What are the four stages of fracture repair?

Answer 26

1. Fracture haematoma forms- collection of blood causing inflammation, swelling and pain.
2. Fibrocartilaginous callus- collagen fibres and cartilage bridge the broken bone ends
3. Bony callus forms- osteoblasts convert fibrocartilage into spongy bone
4. Bone remodelling- spongy bone is converted to compact bone.

Question 27

What are the benefits of fever?

Answer 27

1. Raises the temperature above the optimal temperature for the growth of many pathogens and slow the rate of bacterial growth
2. Increases the rate of chemical reactions in the body which makes defence mechanisms faster and the duration of the infection shorter
3. Speeds up the body’s reactions so enhances tissue repair
4. Makes the person feel ill so they rest and have energy to fight the infection.

Question 28

What is one function and one disadvantage of scar tissue?

Answer 28

Scar tissue repairs extensive wounds but doesn’t have the function of damaged tissue