Q: Which process describes the formation of glucose from non-carbohydrate sources, such as amino acids, and what is its equation?

Gluconeogenesis; $\text{Amino acids} \rightarrow \text{Glucose}$

Question 1

Which neurotransmitter is released by the preganglionic neuron in both the sympathetic and parasympathetic divisions of the autonomic nervous system?

Accepted Answer

Acetylcholine

Question 2

A patient is experiencing increased heart rate, dilated pupils, and decreased digestive activity. Which division of the autonomic nervous system is most active?

Accepted Answer

Sympathetic

Question 3

Which anatomical feature distinguishes the sympathetic division from the parasympathetic division?

Accepted Answer

Sympathetic division originates from the thoracolumbar region

Question 4

Which receptor type is found on skeletal muscle and is activated by acetylcholine?

Accepted Answer

Nicotinic

Question 5

Which adrenergic receptor is primarily responsible for increasing heart rate and contractility?

Accepted Answer

Beta 1

Question 6

Lipid-soluble hormones, such as cortisol, are transported in the blood by binding to carrier proteins. Which protein is most commonly involved?

Accepted Answer

Albumin

Question 7

Which of the following best describes the mechanism of action for lipid-soluble hormones?

Accepted Answer

They bind to intracellular receptors and act as transcription factors

Question 8

Which hormone is released from the posterior pituitary in response to increased blood osmolarity and acts on the kidneys to promote water reabsorption?

Accepted Answer

Antidiuretic hormone (ADH)

Question 9

A patient presents with excessive growth during childhood due to increased growth hormone. What condition does this describe?

Accepted Answer

Gigantism

Question 10

Which hormone stimulates the adrenal cortex to release cortisol, and what is its releasing hormone?

Accepted Answer

ACTH; released by CRH

Question 11

Which hormone increases blood calcium levels by stimulating osteoclast activity, increasing calcium reabsorption in the kidneys, and enhancing calcium absorption in the gut?

Accepted Answer

Parathyroid hormone (PTH)

Question 12

Which layer of the adrenal cortex produces aldosterone, and what is its primary function?

Accepted Answer

Zona glomerulosa; regulates sodium and potassium balance

Question 13

Insulin is released from pancreatic beta cells in response to which stimulus, and what is its effect on blood glucose?

Accepted Answer

High blood glucose; decreases blood glucose

Question 14

Which process describes the formation of glucose from non-carbohydrate sources, such as amino acids, and what is its equation?

Accepted Answer

Gluconeogenesis; $	ext{Amino acids} ightarrow 	ext{Glucose}$

Question 15

Which hormone stimulates breast milk production, and which hormone stimulates milk ejection?

Accepted Answer

Prolactin stimulates production; Oxytocin stimulates ejection

Question 16

A patient with Cushing's syndrome is likely to have which of the following symptoms?

Accepted Answer

High blood glucose and fat redistribution

Question 17

Which cell type in the thyroid gland produces calcitonin, and what is its effect on blood calcium?

Accepted Answer

Parafollicular cells; decreases blood calcium

Question 18

Which of the following best describes the difference between Type 1 and Type 2 diabetes?

Accepted Answer

Type 1 is caused by autoimmune destruction of beta cells; Type 2 is caused by insulin resistance

Question 19

Which process is described by the equation $	ext{Glycogen} ightarrow 	ext{Glucose}$, and which hormone stimulates it?

Accepted Answer

Glycogenolysis; Glucagon

Question 20

Which hormone is released in response to low blood calcium and increases calcium absorption in the gut by stimulating calcitriol production?

Accepted Answer

Parathyroid hormone (PTH)

Autonomic Nervous System & Endocrine System: Mini-Textbook Study Guide

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