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Respiratory System Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which part of the respiratory system is referred to as the "voice box"?

a)

Pharynx

b)

Trachea

c)

Larynx

d)

Bronchi

2.

What is the function of alveoli in the respiratory system?

a)

To produce sound

b)

To exchange oxygen and carbon dioxide with blood

c)

To filter air

d)

To store nutrients

3.

What is the function of the pleura in the respiratory system?

a)

It absorbs nutrients from food.

b)

It secretes digestive enzymes.

c)

It prevents the lungs from rubbing together.

d)

It aids in the contraction of stomach muscles.

4.

Which organs are part of the alimentary canal in the digestive system?

a)

Liver, gallbladder, pancreas

b)

Mouth, pharynx, esophagus, stomach, intestines

c)

Teeth, tongue, salivary glands

d)

Lungs, heart, kidneys

5.

What is the role of the submucosa in the digestive tract?

a)

It secretes mucus and digestive enzymes.

b)

It contains blood vessels, nerves, and glands.

c)

It is responsible for muscle contractions.

d)

It absorbs nutrients into the bloodstream.

6.

What is the primary function of saliva during mastication?

a)

To break down proteins

b)

To moisten food and aid in mixing and swallowing

c)

To absorb nutrients

d)

To neutralize stomach acid

7.

Which enzyme in saliva begins the chemical digestion of carbohydrates?

a)

Pepsin

b)

Lipase

c)

Salivary amylase

d)

Trypsin

8.

What is the role of the esophagus in digestion?

a)

To secrete digestive enzymes

b)

To absorb nutrients

c)

To push nutrients into the pharynx

d)

To move nutrients to the stomach

9.

What is the semi-liquid substance formed in the stomach called?

a)

Bolus

b)

Chyme

c)

Mucus

d)

Bile

10.

What prevents the acidic gastric juices from digesting the stomach's own tissue?

a)

Cardiac sphincter

b)

Gastric juices

c)

Mucus and bicarbonate

d)

Salivary amylase

11.

Which organ produces bile, and what is its primary role in digestion?

a)

Pancreas; aids in protein digestion

b)

Liver; aids in fat digestion

c)

Gallbladder; aids in carbohydrate digestion

d)

Stomach; aids in vitamin absorption

12.

How does the urinary system contribute to homeostasis in the body?

a)

By producing digestive enzymes

b)

By maintaining water and electrolyte balance

c)

By storing vitamins

d)

By producing bile

13.

How do the kidneys help regulate blood volume?

a)

By producing red blood cells

b)

By determining the amount of water that is excreted

c)

By storing excess water

d)

By breaking down proteins

14.

Which hormone produced by the kidneys stimulates the production of red blood cells?

a)

Insulin

b)

Erythropoietin

c)

Adrenaline

d)

Thyroxine

15.

Which structure in the nephron contains the glomerulus?

a)

Renal pelvis

b)

Ureter

c)

Bowman's capsule

d)

Bladder

16.

What is the primary function of tubular reabsorption?

a)

To filter blood

b)

To reabsorb water and necessary substances

c)

To secrete waste products

d)

To store urine

17.

How long is the urethra in adult females?

a)

20 cm

b)

10 cm

c)

3 cm

d)

15 cm

18.

You are emptying a client’s urinary drainage bag. The urine you see is pale yellow. This usually indicates:


a)

Dehydration

b)

A healthy, normal urine colour

c)

Presence of infection

d)

Too much protein in the urine

19.

A resident asks why meals are digested slowly and nutrients “don’t just disappear” into the body. Based on your knowledge, you explain that nutrients are absorbed mostly in the:

a)

Small intestine

b)

Large Intestine

c)

Esophagus

d)

Stomach

20.

You are assisting a resident at mealtime and notice they chew their food very carefully before swallowing. This step helps with:

a)

Preventing saliva from being produced

b)

Breaking down food into smaller pieces for easier digestion

c)

Moving food directly into the stomach

d)

Absorbing nutrients into the blood