A bird hits the windshield of your car, and you reflexively duck and close your eyes. Which of the following is responsible for this action?

A. medulla
B. superior colliculi
C. reticular formation
D. thalamus
E. cerebellum


B

Anatomy & Physiology

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Which feature enables epithelial tissue to serve as a protective layer in areas subject to abrasion and/or erosion?

A. It is avascular. B. It rests on a basement membrane. C. It secretes substances. D. It is well supplied with nerves. E. Its cells undergo rapid mitosis.

Anatomy & Physiology

What are the two main classes of adrenergic receptors for norepinephrine and epinephrine?

a. nicotinic and muscarinic b. ACh and ATP c. alpha and beta d. epinephrine and norepinephrine e. sodium and potassium

Anatomy & Physiology

Which of the following showed the greatest improvement in vertebral bone density for the rats?

A) saline B) calcitonin C) estrogen D) FSH

Anatomy & Physiology

According to the National Cholesterol Education Program (NCEP), the recommended percentage of saturated fat calories in the diet is _____ of total calories for most people.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology