Which of the following describes neurohormones? a. Hormones that affect nerve cell activity b. Hormones that inhibit nerve cell activity C. Hormones released into the blood by neurons d. Hormones released into the synaptic cleft by presynaptic neurons

A patient comes into a hospital emergency room sedated and non-responsive. She had been at a college party where she drank many shots of vodka. What is the most likely explanation for her behavioral and physiological symptoms?   A. The alcohol increased the actions of GABA at the GABA receptor chloride channel   B. The alochol increased dopamine and serotonin activity by running the transporters backwards   C. The alcohol blocked the dopamine reuptake transporter   D. the alcohol activated serotinin autoreceptors in the brain   E. none of the above

An outgrowth of nervous tissue from the hypothalamus forms which endocrine structure?  A. Anterior Pituitary Gland B. Pineal Gland  C. Posterior Pituitary Gland  D. Portal System

How hormones can be grouped on the basis of their chemical composition?  (Explain)

This gland is the link between the nervous and endocrine systems.   Select one: a. hypothalamus b. pituitary c. thyroid d. thalamus

Which of the following is a property common between endocrine hormones, paracrine hormones, and pheromones? A. They all operate internally within an organism to stimulate different cellular responses. B. They are all secreted by dedicated glands within the endocrine system. C. They are all water-soluble hormones D. Both A and B E. None of the above

A Moving to the next question prevents changes to this answer. Question 1 What is unusual about the receptor for steroid hormones? A. The receptor is located in the cytoplasm but can enter the nucleus once bound to ligand. B. The receptor is embedded in the plasma membrane C. The receptor is located in the cytoplasm but can never enter the nucleus. D. The receptor is located in the lysosome. A Moving to the next question prevents changes to this answer.

The pineal gland produces melatonin, which helps regulate sleep by binding receptors in several tissues throughout the body. How would you characterize the pineal gland? A. The pineal gland is a sebaceous gland.. B. The pineal gland is an endocrine gland. C. The pineal gland is an exocrine gland. D. The pineal gland is a pancreatic gland.

Endocrine glands ________. a. secrete hormones that travel through a duct to the target organs b. release neurotransmitters into the synaptic cleft c. secrete chemical messengers that travel in the bloodstream d. include sebaceous glands and sweat glands

What would happen to male hormone levels if the hypothalamus producedgonadotropic releasing hormone (GnRH) continuously? A. Luteinizing hormone (LH), follicular stimulating hormone (FSH), andtestosterone levels would be high. B. Testosterone levels would be low C.Only luteinizing hormone (LH) and follicular stimulating hormone (FSH)levels would be high. D. Only testosterone levels would be high.