26 Questions
What is the primary function of the posterior lobe of the pituitary gland?
Release ADH and oxytocin
Which hormone is produced by the pineal gland?
Melatonin
What is the primary role of the c cells of the thyroid gland?
Produce calcitonin
Which hormone stimulates the release of thyroid hormones from the thyroid follicles?
TSH
Where are adrenal androgens primarily produced?
Inner zone of the adrenal cortex
What is the primary function of the hypothalamus in endocrine control?
Providing the highest level of endocrine control
What is the primary function of the proximal convoluted tubule?
Reabsorption of ions, organic molecules, vitamins, water
Which hormone is primarily responsible for restricting water reabsorption?
Antidiuretic hormone (ADH)
What stimulates the interstitial endocrine cells to secrete testosterone in males?
Luteinizing Hormone (L H)
What is the primary role of Androgens (Primarily Testosterone) in females?
Establish and maintain secondary sex characteristics
Which of the following hormones stimulates the formation of the corpus luteum?
Luteinizing Hormone (L H)
What is the primary function of the collecting duct in the kidneys?
Reabsorption of water
What initiates spermatogenesis and spermiogenesis in males?
Luteinizing Hormone (L H)
What inhibits GnRH secretion in females?
Inhibin
What is NOT a primary effect of Estrogens in females?
Stimulate L H secretion (at high levels)
What is the primary role of progesterone in females?
Stimulates endometrial growth and glandular secretion
Which part of the digestive system involves the movement of small organic molecules, electrolytes, and water across the digestive epithelium and into the interstitial fluid?
Absorption
What is the function of the nodes of Ranvier in a neuron?
Facilitating nerve impulse conduction
Which cranial nerve is responsible for sending sensory information to the skin and chewing muscles?
Trigeminal nerve
In the eye, which layer contains the neural layer responsible for photoreception?
Inner layer
What is the function of the oval window in the inner ear?
Transmit sound waves to perilymph in scala vestibuli
Which part of the endocrine system is responsible for the production of ADH, oxytocin, and regulatory hormones?
Hypothalamus
What is the primary role of the spinal ganglia in a spinal segment?
House sensory neuron cell bodies
The circular folds throughout the tubing of the intestines primarily serve to:
Increase surface area for enzyme action
What is the main function of the synapse in a neuron?
Facilitate communication with other neurons
What is NOT a function of the autonomic nervous system’s parasympathetic division?
Increasing respiratory rate during exercise
Test your knowledge on the functions of the digestive system, including filtration, ingestion, mechanical processing, digestion, and secretion. Learn about the different processes that occur from the mouth to the small intestine.
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