The anterior pituitary develops from which of the following germ layers during embryonic development?
a) Mesoderm
b) Endoderm
c) Ectoderm
d) A combination of two of the layers
e) None of the answer selections are correct
c
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During the female sexual response, the lower third of the vagina expands to accommodate entry of the penis
Indicate whether the statement is true or false
Which of the following is the largest in size?
A) mature sperm cell B) mature egg cell C) polar body D) they are all approximately the same size
The cough center is located in what part of the brain?
a. cerebrum b. cerebellum c. brain stem d. meninges
A conscious but combative patient with severe facial trauma is fully immobilized on a backboard. During your assessment, the patient begins coughing up large amounts of blood. You suction his oropharynx, but his mouth quickly refills with blood. You should:
A) preoxygenate the patient with a bag-mask for 2 minutes and then perform nasotracheal intubation. B) roll the backboard on its side, suction his oropharynx, and prepare to perform pharmacologically assisted intubation. C) alternate suctioning of his oropharynx for 15 seconds and assisting ventilations for 2 minutes until his airway is clear of blood. D) continually suction his oropharynx until it is clear of blood, apply oxygen via nonrebreathing mask, and administer a sedative drug.