________ in lymphatic vessels and trunks prevent the back flow of lymph.

A. Valves
B. Decreased pressure
C. Increased pressure
D. Osmotic pressure


Answer: A

Anatomy & Physiology

You might also like to view...

In order for the bicep muscle to shorten, the force applied by the muscle must be ________ the load applied at the hand.

A) equal to B) less than C) greater than

Anatomy & Physiology

In epigenetic inheritance ________.

both homologous chromosomes are inactivated one set of the homologous chromosomes is silenced one allele of a homologous pair is expressed None of the choices are correct.

Anatomy & Physiology

Although hormones influence activity in the neural and reproductive systems, they do not influence the digestive system

Indicate whether this statement is true or false.

Anatomy & Physiology

The pulse rate depends on all of the following except one. Select the one answer the does not affect a pulse rate reading

A) activity B) the vessel selected to palpate C) emotions D) postural changes

Anatomy & Physiology