Monthly Quiz - Dec 2016 - Quiz & Trivia

1. Normal urine is composed of about 95%:

Urea

Water

Nitrogenous wastes

Uric acid

2. If the epiglottis fails to perform its main function, which of the following is likely to occur?

Choking

Vomiting

Acid reflux

Drooling

3. Gastric juice contains which type of acid?

Lactic

Sulfuric

Hydrochloric

Phosphoric

4. Which of the following vitamins is released by bacteria in the colon?

C

A

B

D

5. Long bones are adapted for all of the following, except:

Protecting internal organs

Absorbing stress

Supporting body weight

Facilitating movement

6. Smooth muscle can be found in which of the following systems?

Circulatory

Respiratory

Digestive

All of the above

7. How is air modified as it passes over the nasal mucosa?

Particles are filtered out by mucus and coarse hairs

Bacteria are destroyed by antibiotics secreted by seromucous glands

Air is warmed by capillaries

All of the above

8. The buildup of pressure in the lungs during a sneeze functions to:

Propel irritants forcefully out of the nasal cavity

Draw mucus into the pharynx

Facilitate inhalation

Inhibit the reflex arc

9. What percentage of saliva is water?

85%

90%

95%

Over 99%

10. The main function of the epiglottis is to:

Produce sound during phonation

Filter air passing through the oropharynx

Close off the trachea to direct food into the esophagus

Begin the process of peristalsis

11. The components of the lower respiratory system are:

Trachea, bronchi, bronchioles, lungs

Pharynx, larynx, trachea, lungs

Larynx, trachea, bronchi, lungs

Bronchi and lungs

12. The only muscle the esophagus passes through is the:

Transversus thoracis

Sternothyroid

Internal oblique

Diaphragm

13. Because of their position between the posterior abdominal wall and the peritoneum, the kidneys are said to be:

Intraperitoneal

Retroperitoneal

Subperitoneal

Infraperitoneal

14. Which muscles are used during normal inhalation?

Internal intercostals, external intercostals

Scalenes, pectoralis minor

Abdominals, transversus thoracis

Diaphragm, external intercostals

15. Food is broken down mechanically in the oral cavity by:

Teeth

Tongue

Saliva

A and b

16. Bile is produced by the and stored by the until it drains into the .

Gall bladder, liver, duodenum

Pancreas, liver, gall bladder

Liver, gall bladder, duodenum

Liver, gall bladder, stomach

17. The main function of the hepatic portal system is to:

Drain deoxygenated blood from the liver

Supply the liver with oxygenated blood

Drain blood from the digestive tract into the liver for processing

Supply blood into the digestive tract

18. Smooth muscle does all of the following, except:

Move food along the digestive tract

Generate peristalsis

Contract voluntarily to move blood through the vasculature

Form part of the walls of the airways of the respiratory system

19. When you lift your chin when nodding, which muscles are contracting?

Prevertebral muscles

Platysma

Mastication muscles

Upper back muscles

20. Why does air move out of the lungs during exhalation?

Smooth muscle forces the air out through the trachea

Relaxation of the diaphragm makes the lungs expand

Pressure inside the lungs is higher than atmospheric pressure

B and c

Monthly Quiz - Dec 2016