The nucleus for the facial nerve (cranial nerve VII) is located in the
A. pons.
B. medulla.
C. mesencephalon.
D. cerebrum.
E. cerebellum.
A
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Which type of tissue is contractile?
A. Epithelial tissue B. Muscle tissue C. Nervous tissue D. Connective tissue
Which of the following is true regarding the levator scapulae?
A. It elevates the scapula if the scapula is fixed. B. It protracts the scapula if the humerus is fixed. C. It is innervated by the phrenic nerve. D. It flexes the neck if the scapula is fixed. E. It rotates the scapula and depresses the apex of the shoulder.
Which statement is not correct concerning fertilization?
A. Once a sperm has penetrated the oocyte, the zona pellucida hardens to prevent additional sperm from penetrating. B. Fusion of pronuclei produces a haploid nucleus. C. Digestive enzymes released from the acrosome eat away the intercellular connections in the corona radiata. D. Only the sperm nucleus enters the oocyte cytoplasm.
Which group of muscles covers the ventral surface of the chest?
A) trapezius group B) deltoid group C) rhomboideus group D) pectoralis group