Medical Quiz

Biology Quiz

the walls of the xylem vessels are thickened by ……

A. subrin

B. cutin

C. lignin

D. cellulose

Select your answer:
A  B  C  D  E 

Topics:

Orthopaedic Neurology Cardiac & Diseases of Blood Flow Organization of Systems Stem Cells & Cell Differentiation Germs Balanced Diet T Cells Prokaryotic Cells and Viruses History of Medicine Diseases Communicable or non Communicable MEDICINE Asexual/Sexual Reproduction Hematologic System Safety and First Aid Thyroid Gland

Other quiz: Heart

If a person’s heart is pumping 5000 mL of blood in one minute and the heart rate is 50 beats per minute, what is the cardiac output?

A. 250,000 mL/min

B. 25,000 mL/min

C. 100 mL/min

D. 1000 mL/min

E. None of these are correct.