During the action potential in a contractile cardiac muscle cell, the opening of slow calcium channels results in the __________ phase.

a. depolarization
b. hyperpolarization
c. plateau
d. repolarization


Ans: c. plateau

Anatomy & Physiology

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Precise spelling is important in anatomy because ________.

A. it's easier to remember acronyms when spelled correctly B. there are many similar terms in anatomy that refer to different structures C. there are many different ways to spell certain terms D. eponyms are difficult to memorize E. it's important to practice language skills

Anatomy & Physiology

Testosterone

a. is secreted by the Leydig cells of the testes. b. exerts a general protein anabolic effect. c. causes enlargement of the larynx and thickening of the vocal cords. d. both (a) and (b) above. e. all of these answers.

Anatomy & Physiology

Which bone has an anterior crest?

A) Fibula B) Tibia C) Ulna D) Radius

Anatomy & Physiology

The cassette screens should be cleaned with a disinfectant such as Clorox

Indicate whether the statement is true or false

Anatomy & Physiology