Where is the orbicularis oculi?
a) D
b) E
c) F
d) G
e) H
a
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The root of each lung enters through the cardiac notch.
Answer the following statement true (T) or false (F)
A neuron with nicotinic receptors is exposed to acetylcholine. This will not lead to
A) activation of chemically gated ion channels. B) excitation of the neuron. C) entry of sodium ion. D) binding of the nicotine to the channel. E) activation of muscarinic receptors.
Which muscle depresses the mandible and moves it side to side?
A) Lateral pterygoid B) Temporalis C) Mentalis D) Masseter
Arrange the following events in protein secretion in the proper sequence.
1. The polypeptide chain enters the lumen of the endoplasmic reticulum. 2. A secretory vesicle is formed. 3. A transport vesicle is formed. 4. The polypeptide chain enters the lumen of the Golgi complex. A) 3, 1, 4, 2 B) 1, 3, 4, 2 C) 1, 3, 2, 4 D) 1, 2, 3, 4 E) 4, 3, 1, 2