Which of the following is a main contributor to the cervical plexus and subsequently, the phrenic nerve?

A) first thoracic nerve
B) third cervical nerve
C) fourth cervical nerve
D) fifth cervical nerve


C

Health Professions

You might also like to view...

Your patient has a history of severe anaphylaxis and carries several auto-injectors. You have administered one of the auto-injectors, but the patient's condition continues to worsen. Which of the following is the next best course of action?

A) Continue supportive care en route to the hospital. B) Contact medical control. C) Divert transport to a hospital with critical care capabilities. D) Immediately administer a second auto-injector.

Health Professions

Beta2-adrenergic agonists are NOT contraindicated in which of the following?

A) narrow-angle glaucoma B) cardiogenic shock C) asthma D) hemorrhagic shock

Health Professions

Sensory neurons are also called ________

A) input neurons B) interneurons C) output neurons D) glia cells

Health Professions

The exposure switch is found between the

a. incoming line and the circuit breaker. b. autotransformer and the timer circuit. c. exposure switch and the step-up transformer. d. incoming line and the step-down transformer.

Health Professions