What type of epithelium makes up the endothelium of blood vessels?
A) simple squamous
B) simple columnar
C) stratified cuboidal
D) transitional
E) pseudostratified columnar
A) simple squamous
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The specialized membranes that surround the spinal cord are termed the
A) cranial meninges. B) cranial mater. C) spinal meninges. D) spinal mater. E) epidural membranes.
Which of the following is a deep inhalation through a widely opened mouth producing an exaggerated depression of the mandible, the precise cause of which is unknown?
a) sobbing b) yawning c) coughing d) laughing e) hiccupping
What roles does phosphate play in the body?
It is found in the salts of bone and teeth. It is an important component of several macromolecules It affects neuromuscular activity. It is part of an important intracellular buffer system It affects the action of the sodium-potassium pump.
Which is not true about the thyroid gland?
A. It is located on the anterior surface of the trachea, inferior to the thyroid cartilage. B. It has two lobes connected by a central portion called the commissure. C. It requires iodine to synthesize thyroid hormone. D. It secretes thyroid hormone in response to stimulation by TSH. E. An enlargement of the thyroid gland is called a goiter.