Which of the following is more effective in producing bronchodilation?

A) Thyroxine
B) Norepinephrine
C) Nicotine
D) Muscarine
E) Acetylcholine


B

Anatomy & Physiology

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The temperature yesterday was an uncomfortable 98° F. You unwisely chose to play tennis at noon, counting on your body's internal defenses to protect you against heat exhaustion. How did your body respond to this distress?

What will be an ideal response?

Anatomy & Physiology

What is the principal tissue of the tunica interna?

A. Loose areolar connective tissue B. Smooth muscle tissue C. Cardiac muscle tissue D. Simple squamous epithelium E. Stratified squamous epithelium

Anatomy & Physiology

Contracting the gastrocnemius muscles to elevate the body on the toes involves a ________ lever

A) first-class B) second-class C) third-class D) fourth-class E) fifth-class

Anatomy & Physiology

The general name given to the phenomenon that occurs when a mature epithelium changes to a different form is

A.  mesothelia. B.  hyperplasia. C.  hypertrophy. D.  metaplasia. E.  neoplasia.

Anatomy & Physiology