Which of the following hormones is most similar to oxytocin in chemical structure?
a. antidiuretic hormone
b. epinephrine
c. estradiol
d. testosterone
e. insulin
Answer: a. antidiuretic hormone
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The ___________ neck of the humerus marks the position of the former epiphyseal plate
Fill in the blank with correct word.
Which of the following structures is not associated with the right atrium?
A) crista terminalis B) pectinate muscles C) oval fossa (fossa ovalis) D) opening of coronary sinus E) tendinous chords (chordae tendinea)
Atropine is sometimes used to dilate the pupil for an eye examination. Which receptor would atropine block?
A. Nicotinic receptor B. Beta receptor C. Alpha 1 adrenergic receptor D. Alpha 2 adrenergic receptor E. Muscarinic receptor
The muscles of the esophagus move food through a rhythmic muscular contraction known as ________.
A. adventitia B. muscularis C. digestion D. peristalsis