Question 1

A patient presents with muscle spasms and twitching (tetany). Blood tests reveal low calcium levels. Which hormone is most likely deficient in this patient?

Accepted Answer

Parathyroid Hormone (PTH)

Question 2

Which of the following best explains why water-soluble hormones cannot directly alter gene expression?

Accepted Answer

They cannot cross the fatty cell membrane and must bind to surface receptors, using a second messenger system.

Question 3

A person with Addison's disease is likely to experience which of the following symptoms due to low cortisol and aldosterone levels?

Accepted Answer

Very low blood pressure, dark skin patches, and weakness

Question 4

Which of the following scenarios is an example of a humoral stimulus triggering hormone release?

Accepted Answer

High blood glucose levels causing the pancreas to release insulin

Question 5

A patient is diagnosed with Graves' disease. Which of the following symptoms would you expect to observe?

Accepted Answer

Weight loss, fast heart rate, feeling hot, and bulging eyes

Question 6

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

Accepted Answer

They cross the cell membrane, bind to intracellular receptors, and directly influence gene expression.

Question 7

A person is exposed to a hot environment and begins to sweat. Which physiological process is primarily responsible for cooling the body in this scenario?

Accepted Answer

Evaporation of sweat from the skin surface

Question 8

A patient with a third-degree burn on the right arm and chest is being evaluated. Using the Rule of Nines, what percentage of the body surface area is affected?

Accepted Answer

$$27\%$$

Question 9

Which of the following is a correct sequence of events during the onset stage of a fever?

Accepted Answer

Brain raises the temperature set point, you feel cold, and shiver to generate heat

Question 10

A patient with diabetes insipidus is likely to have which of the following symptoms due to a deficiency of antidiuretic hormone (ADH)?

Accepted Answer

Extreme thirst and excessive urination

Question 11

Which of the following best explains why third-degree burns are often not painful at the burn site?

Accepted Answer

Nerve endings in the affected area are destroyed.

Question 12

A person with a genetic inability to produce melanin will most likely be diagnosed with which condition?

Accepted Answer

Albinism

Question 13

Which of the following is a function of the sebaceous glands in the skin?

Accepted Answer

Produce oil (sebum) to keep skin soft and block bacteria

Question 14

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

Accepted Answer

High blood sugar, weight gain in the face and upper back

Question 15

Which of the following best describes the difference in signal transmission between the nervous and endocrine systems?

Accepted Answer

The nervous system sends fast, short-lived signals to specific targets, while the endocrine system sends slower, longer-lasting signals to widespread targets.

Question 16

A person is exposed to cold temperatures. Which of the following physiological responses will help conserve body heat?

Accepted Answer

Vasoconstriction of skin blood vessels

Question 17

Which hormone is responsible for lowering blood calcium levels by promoting its storage in bones?

Accepted Answer

Calcitonin

Question 18

A patient with a metabolic rate much higher than normal is most likely to have elevated levels of which hormone?

Accepted Answer

Thyroid Hormone ($$	ext{T}_3$$ and $$	ext{T}_4)$$

Question 19

A 25-year-old athlete has a higher metabolic rate than his 70-year-old grandfather. Which of the following factors best explains this difference?

Accepted Answer

The athlete has more muscle mass, which increases metabolic rate.

Question 20

A patient presents with a mole that is asymmetrical, has a jagged border, multiple colors, and a diameter larger than 6 mm. Which skin disorder is most likely?

Accepted Answer

Melanoma

Endocrine & Integumentary Systems: Mini Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard