$$\text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2 \rightarrow 6\text{CO}_2 + 6\text{H}_2\text{O} + \text{ATP}$$

Question 1

Which hormone is released from the anterior pituitary gland and stimulates the thyroid gland to produce thyroid hormones?

Accepted Answer

Thyroid-stimulating hormone (TSH)

Question 2

A patient presents with exophthalmos and elevated levels of thyroxine. Which homeostatic imbalance is most likely present?

Accepted Answer

Hyperthyroidism (Graves’ disease)

Question 3

Which hormone is responsible for increasing blood glucose levels during fasting, and what is the primary mechanism by which it acts?

Accepted Answer

Glucagon; stimulates glycogenolysis and gluconeogenesis

Question 4

A tumor in the zona fasciculata of the adrenal cortex would most likely result in which of the following symptoms?

Accepted Answer

Increased cortisol, hyperglycemia, and tissue swelling

Question 5

Which hormone is released in response to a sudden drop in blood volume due to a traumatic injury, and what are its effects?

Accepted Answer

Epinephrine; dilates bronchi, increases heart rate, and dilates pupils

Question 6

Which hormone is produced by the pineal gland and what is its primary function?

Accepted Answer

Melatonin; regulates sleep-wake cycles

Question 7

A deficiency in iodine can lead to which of the following conditions?

Accepted Answer

Formation of a thyroid goiter

Question 8

Which hormone is released from the posterior pituitary and is responsible for water retention in the kidneys?

Accepted Answer

Antidiuretic hormone (ADH)

Question 9

Which layer of the GI tract would a surgeon pierce first when making an incision from the external side?

Accepted Answer

Serosa

Question 10

Which of the following is the correct sequence for the passage of food through the alimentary canal?

Accepted Answer

Mouth, pharynx, esophagus, stomach, small intestine, large intestine

Question 11

Which substance is released from the pancreas to neutralize acidic chyme entering the small intestine?

Accepted Answer

Bicarbonate ions

Question 12

Which cell type in the small intestine is responsible for absorbing nutrients and electrolytes?

Accepted Answer

Enterocytes

Question 13

Which specialized structure in the villi is responsible for fat absorption?

Accepted Answer

Lacteals

Question 14

Which metabolic process is responsible for the conversion of glucose into glycogen for storage in the liver and skeletal muscle?

Accepted Answer

Glycogenesis

Question 15

During cellular respiration, which phase occurs in the cytoplasm and produces pyruvic acid?

Accepted Answer

Glycolysis

Question 16

Which equation best represents the aerobic breakdown of glucose during cellular respiration?

Accepted Answer

$$	ext{C}_6	ext{H}_{12}	ext{O}_6 + 6	ext{O}_2 ightarrow 6	ext{CO}_2 + 6	ext{H}_2	ext{O} + 	ext{ATP}$$

Question 17

Which metabolic process is anabolic and results in the formation of triglycerides from acetyl CoA and glyceraldehyde-3-phosphate?

Accepted Answer

Lipogenesis

Question 18

Which process increases blood glucose levels by breaking down glycogen into glucose?

Accepted Answer

Glycogenolysis

Question 19

Which phase of gastric secretion is triggered by the aroma or thought of food before it enters the stomach?

Accepted Answer

Cephalic phase

Question 20

A patient with diabetes mellitus type 1 is unable to produce insulin. What would be the expected effect on blood glucose levels after a meal?

Accepted Answer

Blood glucose levels remain high because glucose cannot enter most tissue cells

Endocrine System, Digestive System, and Metabolism: ANP Study Guide (Chapters 16, 23, 24)

Study Guide - Practice Questions